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Revised presentation of obesity may reduce internalized bias
a new study suggests.
In an online study, patients with obesity reported significantly less internalized weight bias and significantly enhanced perceptions of positive communication with their medical providers after watching a video of a doctor who framed obesity as a treatable medical condition, compared with a video of a doctor who emphasized willpower.
“Recent research has identified the dominant role that biology (both genetics as well as homeostatic, hedonic, and executive brain systems) and environment, rather than willpower, play in the development of obesity and the resistance to weight loss,” wrote study authors Sara English, a medical student, and Michael Vallis, MD, associate professor of family medicine, both at Dalhousie University, Halifax, N.S. “Yet the false narrative that ideal or goal weight can be achieved by eating less and moving more using willpower continues to dominate the public narrative.”
The findings were published in Clinical Obesity.
Medical complexity
The public discussion generally places all responsibility for the health outcomes of obesity on the patient. As a result, patients with obesity face bias and stigma from the public and the health care system, wrote the authors.
This stigmatization contributes to increased mortality and morbidity by promoting maladaptive eating behaviors and stress. It also causes mistrust of health care professionals, which, in turn, leads to worse health outcomes and increased health care costs.
The 2020 Canadian clinical practice guidelines for obesity management in adults emphasize that obesity is complex and that nonbehavioral factors strongly influence it. They recommend that treatment focus on improving patient-centered health outcomes and address the root causes of obesity, instead of focusing on weight loss alone.
In the present study, Ms. English and Dr. Vallis evaluated how presenting obesity as a treatable medical condition affected participants’ internalized weight bias and their perceived relationship with their health care provider. They asked 61 patients with obesity (average age, 49 years; average body mass index, 41 kg/m2) to watch two videos, the first showing a doctor endorsing the traditional “eat less, move more approach,” and the second showing a doctor describing obesity as a chronic, treatable medical condition.
Nearly half (49.5%) of participants reported that their health care provider rarely or never discusses weight loss, and almost two-thirds of participants (64%) reported feeling stigmatized by their health care provider because of their weight at least some of the time.
After having watched each video, participants were asked to imagine that they were being treated by the corresponding doctor and to complete two measures: the Weight Bias Internalization Scale (WBIS), which measures the degree to which a respondent believes the negative stereotypes about obese people, and the Patient-Health Care Provider Communication Scale (PHCPCS), which assesses the quality of patient–health care provider communication.
Virtually all participants preferred the care provider in the video with the revised presentation of obesity. Only one preferred the traditional video. The video with the revised presentation was associated with significant reductions in internalized weight bias. Participants’ WBIS total score decreased from 4.49 to 3.36 (P < .001). The revised narrative video also had a positive effect on patients’ perception of their health care providers. The PHCPCS total score increased from 2.65 to 4.20 (P < .001).
A chronic disease
In a comment, Yoni Freedhoff, MD, associate professor of family medicine at the University of Ottawa, said: “If you’re asking me if it is a good idea to treat obesity like a chronic disease, the answer would be yes, we absolutely should. It is a chronic disease, and it shouldn’t have a treatment paradigm different from the other chronic diseases.” Dr. Freedhoff did not participate in the study.
“We certainly don’t blame patients for having other chronic conditions,” Dr. Freedhoff added. “We don’t have a narrative that, in order for them to qualify for medication or other treatment options, they have to audition for them by failing lifestyle approaches first. And yet, I’d say at least 85% of chronic noncommunicable diseases have lifestyle factors, but obesity is the only one where we consider that there is a necessity for these lifestyle changes, as if there have been studies demonstrating durable and reproducible outcomes for lifestyle in obesity. There have not.”
Telling patients and doctors that obesity is a chronic disease driven by biology, not a failure of willpower, is going to reduce stigma, “which is what this study was able to demonstrate to some degree,” Dr. Freedhoff said.
“What is more stigmatizing? Being told that if you just try hard enough, you’ll succeed, and if you don’t succeed, the corollary, of course, is that you did not try hard enough? Versus, you’ve got a medical condition where you’ve got biological drivers beyond your locus of control, affecting behaviors that, in turn, contribute to your adiposity? I’m pretty sure the second statement will have far less impact on a person’s internalized weight bias than what we’ve unfortunately been doing up until now with the focus on willpower,” Dr. Freedhoff said.
No funding for the study was reported. Ms. English and Dr. Vallis reported no relevant financial relationships. Dr. Freedhoff reported receiving clinical grants from Novo Nordisk.
A version of this article first appeared on Medscape.com.
a new study suggests.
In an online study, patients with obesity reported significantly less internalized weight bias and significantly enhanced perceptions of positive communication with their medical providers after watching a video of a doctor who framed obesity as a treatable medical condition, compared with a video of a doctor who emphasized willpower.
“Recent research has identified the dominant role that biology (both genetics as well as homeostatic, hedonic, and executive brain systems) and environment, rather than willpower, play in the development of obesity and the resistance to weight loss,” wrote study authors Sara English, a medical student, and Michael Vallis, MD, associate professor of family medicine, both at Dalhousie University, Halifax, N.S. “Yet the false narrative that ideal or goal weight can be achieved by eating less and moving more using willpower continues to dominate the public narrative.”
The findings were published in Clinical Obesity.
Medical complexity
The public discussion generally places all responsibility for the health outcomes of obesity on the patient. As a result, patients with obesity face bias and stigma from the public and the health care system, wrote the authors.
This stigmatization contributes to increased mortality and morbidity by promoting maladaptive eating behaviors and stress. It also causes mistrust of health care professionals, which, in turn, leads to worse health outcomes and increased health care costs.
The 2020 Canadian clinical practice guidelines for obesity management in adults emphasize that obesity is complex and that nonbehavioral factors strongly influence it. They recommend that treatment focus on improving patient-centered health outcomes and address the root causes of obesity, instead of focusing on weight loss alone.
In the present study, Ms. English and Dr. Vallis evaluated how presenting obesity as a treatable medical condition affected participants’ internalized weight bias and their perceived relationship with their health care provider. They asked 61 patients with obesity (average age, 49 years; average body mass index, 41 kg/m2) to watch two videos, the first showing a doctor endorsing the traditional “eat less, move more approach,” and the second showing a doctor describing obesity as a chronic, treatable medical condition.
Nearly half (49.5%) of participants reported that their health care provider rarely or never discusses weight loss, and almost two-thirds of participants (64%) reported feeling stigmatized by their health care provider because of their weight at least some of the time.
After having watched each video, participants were asked to imagine that they were being treated by the corresponding doctor and to complete two measures: the Weight Bias Internalization Scale (WBIS), which measures the degree to which a respondent believes the negative stereotypes about obese people, and the Patient-Health Care Provider Communication Scale (PHCPCS), which assesses the quality of patient–health care provider communication.
Virtually all participants preferred the care provider in the video with the revised presentation of obesity. Only one preferred the traditional video. The video with the revised presentation was associated with significant reductions in internalized weight bias. Participants’ WBIS total score decreased from 4.49 to 3.36 (P < .001). The revised narrative video also had a positive effect on patients’ perception of their health care providers. The PHCPCS total score increased from 2.65 to 4.20 (P < .001).
A chronic disease
In a comment, Yoni Freedhoff, MD, associate professor of family medicine at the University of Ottawa, said: “If you’re asking me if it is a good idea to treat obesity like a chronic disease, the answer would be yes, we absolutely should. It is a chronic disease, and it shouldn’t have a treatment paradigm different from the other chronic diseases.” Dr. Freedhoff did not participate in the study.
“We certainly don’t blame patients for having other chronic conditions,” Dr. Freedhoff added. “We don’t have a narrative that, in order for them to qualify for medication or other treatment options, they have to audition for them by failing lifestyle approaches first. And yet, I’d say at least 85% of chronic noncommunicable diseases have lifestyle factors, but obesity is the only one where we consider that there is a necessity for these lifestyle changes, as if there have been studies demonstrating durable and reproducible outcomes for lifestyle in obesity. There have not.”
Telling patients and doctors that obesity is a chronic disease driven by biology, not a failure of willpower, is going to reduce stigma, “which is what this study was able to demonstrate to some degree,” Dr. Freedhoff said.
“What is more stigmatizing? Being told that if you just try hard enough, you’ll succeed, and if you don’t succeed, the corollary, of course, is that you did not try hard enough? Versus, you’ve got a medical condition where you’ve got biological drivers beyond your locus of control, affecting behaviors that, in turn, contribute to your adiposity? I’m pretty sure the second statement will have far less impact on a person’s internalized weight bias than what we’ve unfortunately been doing up until now with the focus on willpower,” Dr. Freedhoff said.
No funding for the study was reported. Ms. English and Dr. Vallis reported no relevant financial relationships. Dr. Freedhoff reported receiving clinical grants from Novo Nordisk.
A version of this article first appeared on Medscape.com.
a new study suggests.
In an online study, patients with obesity reported significantly less internalized weight bias and significantly enhanced perceptions of positive communication with their medical providers after watching a video of a doctor who framed obesity as a treatable medical condition, compared with a video of a doctor who emphasized willpower.
“Recent research has identified the dominant role that biology (both genetics as well as homeostatic, hedonic, and executive brain systems) and environment, rather than willpower, play in the development of obesity and the resistance to weight loss,” wrote study authors Sara English, a medical student, and Michael Vallis, MD, associate professor of family medicine, both at Dalhousie University, Halifax, N.S. “Yet the false narrative that ideal or goal weight can be achieved by eating less and moving more using willpower continues to dominate the public narrative.”
The findings were published in Clinical Obesity.
Medical complexity
The public discussion generally places all responsibility for the health outcomes of obesity on the patient. As a result, patients with obesity face bias and stigma from the public and the health care system, wrote the authors.
This stigmatization contributes to increased mortality and morbidity by promoting maladaptive eating behaviors and stress. It also causes mistrust of health care professionals, which, in turn, leads to worse health outcomes and increased health care costs.
The 2020 Canadian clinical practice guidelines for obesity management in adults emphasize that obesity is complex and that nonbehavioral factors strongly influence it. They recommend that treatment focus on improving patient-centered health outcomes and address the root causes of obesity, instead of focusing on weight loss alone.
In the present study, Ms. English and Dr. Vallis evaluated how presenting obesity as a treatable medical condition affected participants’ internalized weight bias and their perceived relationship with their health care provider. They asked 61 patients with obesity (average age, 49 years; average body mass index, 41 kg/m2) to watch two videos, the first showing a doctor endorsing the traditional “eat less, move more approach,” and the second showing a doctor describing obesity as a chronic, treatable medical condition.
Nearly half (49.5%) of participants reported that their health care provider rarely or never discusses weight loss, and almost two-thirds of participants (64%) reported feeling stigmatized by their health care provider because of their weight at least some of the time.
After having watched each video, participants were asked to imagine that they were being treated by the corresponding doctor and to complete two measures: the Weight Bias Internalization Scale (WBIS), which measures the degree to which a respondent believes the negative stereotypes about obese people, and the Patient-Health Care Provider Communication Scale (PHCPCS), which assesses the quality of patient–health care provider communication.
Virtually all participants preferred the care provider in the video with the revised presentation of obesity. Only one preferred the traditional video. The video with the revised presentation was associated with significant reductions in internalized weight bias. Participants’ WBIS total score decreased from 4.49 to 3.36 (P < .001). The revised narrative video also had a positive effect on patients’ perception of their health care providers. The PHCPCS total score increased from 2.65 to 4.20 (P < .001).
A chronic disease
In a comment, Yoni Freedhoff, MD, associate professor of family medicine at the University of Ottawa, said: “If you’re asking me if it is a good idea to treat obesity like a chronic disease, the answer would be yes, we absolutely should. It is a chronic disease, and it shouldn’t have a treatment paradigm different from the other chronic diseases.” Dr. Freedhoff did not participate in the study.
“We certainly don’t blame patients for having other chronic conditions,” Dr. Freedhoff added. “We don’t have a narrative that, in order for them to qualify for medication or other treatment options, they have to audition for them by failing lifestyle approaches first. And yet, I’d say at least 85% of chronic noncommunicable diseases have lifestyle factors, but obesity is the only one where we consider that there is a necessity for these lifestyle changes, as if there have been studies demonstrating durable and reproducible outcomes for lifestyle in obesity. There have not.”
Telling patients and doctors that obesity is a chronic disease driven by biology, not a failure of willpower, is going to reduce stigma, “which is what this study was able to demonstrate to some degree,” Dr. Freedhoff said.
“What is more stigmatizing? Being told that if you just try hard enough, you’ll succeed, and if you don’t succeed, the corollary, of course, is that you did not try hard enough? Versus, you’ve got a medical condition where you’ve got biological drivers beyond your locus of control, affecting behaviors that, in turn, contribute to your adiposity? I’m pretty sure the second statement will have far less impact on a person’s internalized weight bias than what we’ve unfortunately been doing up until now with the focus on willpower,” Dr. Freedhoff said.
No funding for the study was reported. Ms. English and Dr. Vallis reported no relevant financial relationships. Dr. Freedhoff reported receiving clinical grants from Novo Nordisk.
A version of this article first appeared on Medscape.com.
FROM CLINICAL OBESITY
Obesity cardiomyopathy tied to sudden cardiac death
a new case-control study suggests.
Researchers who analyzed hearts taken at autopsy from people who had died from sudden cardiac death found that a number of the hearts obtained from obese decedents were heavier than those from normal-weight decedents and that the hazard ratio of unexplained cardiomegaly in this cohort was 5.3, compared with normal-weight individuals.
“Even when we ruled out any conditions that could potentially cause enlargement of the heart, including hypertension, heart valve problems, diabetes, and other cardiovascular risk factors, the association with obesity cardiomyopathy, or OCM, and sudden cardiac death remained,” lead author Joseph Westaby, PhD, from the Cardiac Risk in the Young (CRY) Cardiovascular Pathology Laboratories at St George’s University of London, said in an interview.
The study was published online in JACC: Advances.
Intrigued by this finding, Dr. Westaby and associates sought to characterize the clinical and pathological features of OCM associated with sudden cardiac death by comparing this population to two control groups: sudden cardiac death patients who were either obese or of normal weight, and had morphologically normal hearts.
Their group is uniquely positioned to do such research, Dr. Westaby explained.
“Here at St George’s University of London, we have a specialized cardiovascular pathology service. ... All hearts obtained at autopsy from individuals who have died from sudden cardiac death, or who were suspected to have had a cardiovascular cause of death, anywhere in the U.K., are referred to the CRY Centre for further analysis,” he said.
Patients were divided into two groups according to body mass index: an obesity group (BMI > 30 kg/m2) and a normal-weight group (BMI, 18.5-24.9).
An increased heart weight above 550 g in men and 450 g in women in the absence of coronary artery disease, hypertension, diabetes, or valvular disease was classified as unexplained cardiomegaly, and individuals with obesity and cardiomegaly were defined as obesity cardiomyopathy.
Age- and sex-matched controls with obesity (n = 106) were selected based on a BMI greater than 30, with a morphologically normal heart weighing less than 550 g in men and than 450 g in women.
Age- and sex-matched normal weight controls (n = 106) were selected based on a BMI of 18.5-24.9 and a morphologically normal heart weighing less than 550 g in men and less than 450 g in women.
The researchers identified 53 OCM cases from a cohort of more than 4,500 sudden cardiac death cases that had BMI measurements. In normal-weight patients, there were 14 cases of unexplained cardiomegaly.
The mean age at death of individuals with OCM was 42 years (range, 30-54 years). Most of the deaths occurred in men (n = 34; 64%), who also died younger than women (40 ± 13 years vs. 45 ± 10 years; P = .036).
The average heart weight in OCM patients was 598 ± 93 g. Risk of sudden cardiac death increased when BMI reached 35.
Compared with matched controls, there were increases in right and left ventricular wall thickness (all P < .05) in OCM cases. Right ventricular epicardial fat was increased in OCM cases, compared with normal-weight controls only.
Left ventricular fibrosis was identified in seven (13%) OCM cases.
Role of genetics to be explored
“This study highlights the need for further investigation into these individuals because, at the moment, we can’t be sure that the only contributing factor to this is the obesity,” said Dr. Westaby.
In the works are plans to see if there may be an underlying genetic predisposition in obese individuals that may have contributed to the development of an enlarged heart. The group also plans to study the families of the deceased individuals to determine if they are at risk of developing cardiomegaly, he said.
“This paper makes an important contribution to the literature that raises many important questions for future research,” Timothy P. Fitzgibbons, MD, PhD, from the University of Massachusetts, Worcester, wrote in an accompanying editorial.
Being able to access so many autopsy samples gives the current study considerable heft, Dr. Fitzgibbons said in an interview.
“A lot has been made of the obesity paradox and the perhaps benign nature of obesity but this paper suggests the opposite, that it is a very serious problem and can, in fact, in and of itself, cause heart abnormalities that could cause sudden death,” he noted.
The fact that only 13% of OCM cases had fibrosis on histology suggests that fibrosis was not the main cause of sudden cardiac death, he said.
“Often we will do MRIs to look for areas of fibrosis within the heart because those areas make patients prone to re-entry arrhythmias, in particular, ventricular tachycardia. But the authors suggest that the enlarged myocytes may themselves be predisposing to arrhythmias, rather than fibrosis,” Dr. Fitzgibbons said.
The study was supported by Cardiac Risk in the Young. Dr. Westaby and Dr. Fitzgibbons have reported no relevant financial relationships.
A version of this article appeared on Medscape.com.
a new case-control study suggests.
Researchers who analyzed hearts taken at autopsy from people who had died from sudden cardiac death found that a number of the hearts obtained from obese decedents were heavier than those from normal-weight decedents and that the hazard ratio of unexplained cardiomegaly in this cohort was 5.3, compared with normal-weight individuals.
“Even when we ruled out any conditions that could potentially cause enlargement of the heart, including hypertension, heart valve problems, diabetes, and other cardiovascular risk factors, the association with obesity cardiomyopathy, or OCM, and sudden cardiac death remained,” lead author Joseph Westaby, PhD, from the Cardiac Risk in the Young (CRY) Cardiovascular Pathology Laboratories at St George’s University of London, said in an interview.
The study was published online in JACC: Advances.
Intrigued by this finding, Dr. Westaby and associates sought to characterize the clinical and pathological features of OCM associated with sudden cardiac death by comparing this population to two control groups: sudden cardiac death patients who were either obese or of normal weight, and had morphologically normal hearts.
Their group is uniquely positioned to do such research, Dr. Westaby explained.
“Here at St George’s University of London, we have a specialized cardiovascular pathology service. ... All hearts obtained at autopsy from individuals who have died from sudden cardiac death, or who were suspected to have had a cardiovascular cause of death, anywhere in the U.K., are referred to the CRY Centre for further analysis,” he said.
Patients were divided into two groups according to body mass index: an obesity group (BMI > 30 kg/m2) and a normal-weight group (BMI, 18.5-24.9).
An increased heart weight above 550 g in men and 450 g in women in the absence of coronary artery disease, hypertension, diabetes, or valvular disease was classified as unexplained cardiomegaly, and individuals with obesity and cardiomegaly were defined as obesity cardiomyopathy.
Age- and sex-matched controls with obesity (n = 106) were selected based on a BMI greater than 30, with a morphologically normal heart weighing less than 550 g in men and than 450 g in women.
Age- and sex-matched normal weight controls (n = 106) were selected based on a BMI of 18.5-24.9 and a morphologically normal heart weighing less than 550 g in men and less than 450 g in women.
The researchers identified 53 OCM cases from a cohort of more than 4,500 sudden cardiac death cases that had BMI measurements. In normal-weight patients, there were 14 cases of unexplained cardiomegaly.
The mean age at death of individuals with OCM was 42 years (range, 30-54 years). Most of the deaths occurred in men (n = 34; 64%), who also died younger than women (40 ± 13 years vs. 45 ± 10 years; P = .036).
The average heart weight in OCM patients was 598 ± 93 g. Risk of sudden cardiac death increased when BMI reached 35.
Compared with matched controls, there were increases in right and left ventricular wall thickness (all P < .05) in OCM cases. Right ventricular epicardial fat was increased in OCM cases, compared with normal-weight controls only.
Left ventricular fibrosis was identified in seven (13%) OCM cases.
Role of genetics to be explored
“This study highlights the need for further investigation into these individuals because, at the moment, we can’t be sure that the only contributing factor to this is the obesity,” said Dr. Westaby.
In the works are plans to see if there may be an underlying genetic predisposition in obese individuals that may have contributed to the development of an enlarged heart. The group also plans to study the families of the deceased individuals to determine if they are at risk of developing cardiomegaly, he said.
“This paper makes an important contribution to the literature that raises many important questions for future research,” Timothy P. Fitzgibbons, MD, PhD, from the University of Massachusetts, Worcester, wrote in an accompanying editorial.
Being able to access so many autopsy samples gives the current study considerable heft, Dr. Fitzgibbons said in an interview.
“A lot has been made of the obesity paradox and the perhaps benign nature of obesity but this paper suggests the opposite, that it is a very serious problem and can, in fact, in and of itself, cause heart abnormalities that could cause sudden death,” he noted.
The fact that only 13% of OCM cases had fibrosis on histology suggests that fibrosis was not the main cause of sudden cardiac death, he said.
“Often we will do MRIs to look for areas of fibrosis within the heart because those areas make patients prone to re-entry arrhythmias, in particular, ventricular tachycardia. But the authors suggest that the enlarged myocytes may themselves be predisposing to arrhythmias, rather than fibrosis,” Dr. Fitzgibbons said.
The study was supported by Cardiac Risk in the Young. Dr. Westaby and Dr. Fitzgibbons have reported no relevant financial relationships.
A version of this article appeared on Medscape.com.
a new case-control study suggests.
Researchers who analyzed hearts taken at autopsy from people who had died from sudden cardiac death found that a number of the hearts obtained from obese decedents were heavier than those from normal-weight decedents and that the hazard ratio of unexplained cardiomegaly in this cohort was 5.3, compared with normal-weight individuals.
“Even when we ruled out any conditions that could potentially cause enlargement of the heart, including hypertension, heart valve problems, diabetes, and other cardiovascular risk factors, the association with obesity cardiomyopathy, or OCM, and sudden cardiac death remained,” lead author Joseph Westaby, PhD, from the Cardiac Risk in the Young (CRY) Cardiovascular Pathology Laboratories at St George’s University of London, said in an interview.
The study was published online in JACC: Advances.
Intrigued by this finding, Dr. Westaby and associates sought to characterize the clinical and pathological features of OCM associated with sudden cardiac death by comparing this population to two control groups: sudden cardiac death patients who were either obese or of normal weight, and had morphologically normal hearts.
Their group is uniquely positioned to do such research, Dr. Westaby explained.
“Here at St George’s University of London, we have a specialized cardiovascular pathology service. ... All hearts obtained at autopsy from individuals who have died from sudden cardiac death, or who were suspected to have had a cardiovascular cause of death, anywhere in the U.K., are referred to the CRY Centre for further analysis,” he said.
Patients were divided into two groups according to body mass index: an obesity group (BMI > 30 kg/m2) and a normal-weight group (BMI, 18.5-24.9).
An increased heart weight above 550 g in men and 450 g in women in the absence of coronary artery disease, hypertension, diabetes, or valvular disease was classified as unexplained cardiomegaly, and individuals with obesity and cardiomegaly were defined as obesity cardiomyopathy.
Age- and sex-matched controls with obesity (n = 106) were selected based on a BMI greater than 30, with a morphologically normal heart weighing less than 550 g in men and than 450 g in women.
Age- and sex-matched normal weight controls (n = 106) were selected based on a BMI of 18.5-24.9 and a morphologically normal heart weighing less than 550 g in men and less than 450 g in women.
The researchers identified 53 OCM cases from a cohort of more than 4,500 sudden cardiac death cases that had BMI measurements. In normal-weight patients, there were 14 cases of unexplained cardiomegaly.
The mean age at death of individuals with OCM was 42 years (range, 30-54 years). Most of the deaths occurred in men (n = 34; 64%), who also died younger than women (40 ± 13 years vs. 45 ± 10 years; P = .036).
The average heart weight in OCM patients was 598 ± 93 g. Risk of sudden cardiac death increased when BMI reached 35.
Compared with matched controls, there were increases in right and left ventricular wall thickness (all P < .05) in OCM cases. Right ventricular epicardial fat was increased in OCM cases, compared with normal-weight controls only.
Left ventricular fibrosis was identified in seven (13%) OCM cases.
Role of genetics to be explored
“This study highlights the need for further investigation into these individuals because, at the moment, we can’t be sure that the only contributing factor to this is the obesity,” said Dr. Westaby.
In the works are plans to see if there may be an underlying genetic predisposition in obese individuals that may have contributed to the development of an enlarged heart. The group also plans to study the families of the deceased individuals to determine if they are at risk of developing cardiomegaly, he said.
“This paper makes an important contribution to the literature that raises many important questions for future research,” Timothy P. Fitzgibbons, MD, PhD, from the University of Massachusetts, Worcester, wrote in an accompanying editorial.
Being able to access so many autopsy samples gives the current study considerable heft, Dr. Fitzgibbons said in an interview.
“A lot has been made of the obesity paradox and the perhaps benign nature of obesity but this paper suggests the opposite, that it is a very serious problem and can, in fact, in and of itself, cause heart abnormalities that could cause sudden death,” he noted.
The fact that only 13% of OCM cases had fibrosis on histology suggests that fibrosis was not the main cause of sudden cardiac death, he said.
“Often we will do MRIs to look for areas of fibrosis within the heart because those areas make patients prone to re-entry arrhythmias, in particular, ventricular tachycardia. But the authors suggest that the enlarged myocytes may themselves be predisposing to arrhythmias, rather than fibrosis,” Dr. Fitzgibbons said.
The study was supported by Cardiac Risk in the Young. Dr. Westaby and Dr. Fitzgibbons have reported no relevant financial relationships.
A version of this article appeared on Medscape.com.
FROM JACC: ADVANCES
Statins post PCI: Moderate intensity plus ezetimibe may be preferable
, suggests a “real-world” cohort study that is consistent with trial evidence.
In the observational study with more than 273,000 patients who received percutaneous coronary intervention (PCI) with drug-eluting stents (DES), risk for a broad composite clinical primary endpoint fell by one-fourth (P < .001) among those put on the two-drug regimen with a moderate-intensity statin, compared with those getting a high-intensity statin alone.
The dual-agent approach was also associated with a 15% drop in statin discontinuation and a 20% reduced risk for new-onset diabetes requiring medication (P < .001 for both benefits), reported investigators in the Journal of the American College of Cardiology.
The study’s primary endpoint – a composite of cardiovascular (CV) death, myocardial infarction (MI), coronary revascularization, heart failure (HF) hospitalization, or nonfatal stroke at 3 years – replicated that of the randomized RACING trial conducted by many of the same researchers and published about a year ago in The Lancet.
RACING demonstrated that ezetimibe plus a moderate-intensity statin could be as effective as a high-intensity statin in patients with CV disease, “but have fewer side effects and better compliance,” Myeong-Ki Hong, MD, PhD, Severance Hospital, Yonsei University, Seoul, South Korea, said in an interview.
Dr. Hong is senior author on the current observational study based on the CONNECT-DES registry, which compared rosuvastatin 10 mg/day plus ezetimibe 10 mg/day – used in RACING – with rosuvastatin 20 mg/day in a nationwide cohort of 72,050 patients.
“As we know, populations who are enrolled in randomized studies do not sufficiently represent real patients in practice,” he observed, “so we wanted to evaluate the generalizability of the RACING results in daily clinical practice.”
Deepak L. Bhatt, MD, said he likes studies that look at whether clinical trial results “play out in the real world,” as this one did. “They have largely replicated the results of the RACING trial,” suggesting the approach using a moderate-intensity statin “is the way to go,” Dr. Bhatt of Mount Sinai Health System, New York, who was not affiliated with the current report, said in an interview. “In fact, the moderate-intensity combination regimen was actually better in this study.”
He said the observed reduction in new-onset diabetes with the moderate-intensity statin approach is also important. “There is a link between high-dose statins and diabetes. So, if given the choice, if you can get the benefits from a cardiovascular perspective with a lower risk of diabetes, it makes sense to use the combination therapy.”
Dr. Bhatt said he had been using high-intensity statin monotherapy in his high-risk patients, but RACING made him reconsider the value of moderate-dose statin combination therapy. “Going with lower doses of two drugs instead of high doses of one drug minimizes side effects and, in some cases, can even enhance efficacy – so this is not an unreasonable paradigm.”
In the current cohort study of patients prescribed rosuvastatin after DES implantation, 10,794 received rosuvastatin 10 mg/day plus ezetimibe 10 mg/day, and 61,256 were put on rosuvastatin 20 mg/day.
Hazard ratio risk reductions with the dual-agent lipid-lowering therapy approach, compared with high-intensity statin monotherapy, were more favorable for the primary composite clinical endpoint and important secondary events:
- HR, 0.75; 95% confidence interval, 0.70-0.79; P < .001) for CV death, MI, coronary artery revascularization, HF, or stroke at 3 years.
- HR, 0.85; 95% CI, 0.78-0.94; P = .001) for statin discontinuation.
- HR, 0.80; 95% CI, 0.72-0.88; P < .001) for new-onset diabetes requiring medication.
But HRs for rhabdomyolysis, cholecystectomy, or a new cancer diagnosis did not indicate significant differences between the two groups.
“Now that there is evidence to support the favorable clinical outcomes of combination lipid-lowering therapy with moderate-intensity statin plus ezetimibe” for secondary prevention from both RACING and a study reflecting daily clinical practice, Dr. Hong said, “physicians may feel more comfortable with this approach.”
The registry analysis “is remarkable not only for validating the results of the RACING trial in routine clinical practice in a high-risk secondary prevention population, but also for its innovative methodology,” states an accompanying editorial by Ori Ben-Yehuda, MD, Sulpizio Cardiovascular Center, University of California, San Diego.
Use of such a large single-payer database in their study “affords even greater external validity to the findings, complementing the internal validity of the randomized RACING trial,” Dr. Ben-Yehuda writes.
The rationale for combination therapy is strong, but additional data would be helpful, particularly for informing guidelines, he continues. “A pragmatic trial randomizing a broad racial and ethnic group of patients to low-dose statin,” such as a starting dose of 10 mg/day atorvastatin or 5 mg/day rosuvastatin “plus ezetimibe vs. high-intensity statin alone would provide much needed data to help guide lipid-lowering therapy for millions of patients and hopefully increase persistence on therapy.”
The study was supported by the Cardiovascular Research Center, Seoul, South Korea. Dr. Hong and Dr. Ben-Yehuda have disclosed no relevant financial relationships. Dr. Bhatt has previously disclosed grants and/or personal fees from many companies; personal fees from WebMD and other publications or organizations; and having other relationships with Medscape Cardiology and other publications or organizations.
A version of this article appeared on Medscape.com.
, suggests a “real-world” cohort study that is consistent with trial evidence.
In the observational study with more than 273,000 patients who received percutaneous coronary intervention (PCI) with drug-eluting stents (DES), risk for a broad composite clinical primary endpoint fell by one-fourth (P < .001) among those put on the two-drug regimen with a moderate-intensity statin, compared with those getting a high-intensity statin alone.
The dual-agent approach was also associated with a 15% drop in statin discontinuation and a 20% reduced risk for new-onset diabetes requiring medication (P < .001 for both benefits), reported investigators in the Journal of the American College of Cardiology.
The study’s primary endpoint – a composite of cardiovascular (CV) death, myocardial infarction (MI), coronary revascularization, heart failure (HF) hospitalization, or nonfatal stroke at 3 years – replicated that of the randomized RACING trial conducted by many of the same researchers and published about a year ago in The Lancet.
RACING demonstrated that ezetimibe plus a moderate-intensity statin could be as effective as a high-intensity statin in patients with CV disease, “but have fewer side effects and better compliance,” Myeong-Ki Hong, MD, PhD, Severance Hospital, Yonsei University, Seoul, South Korea, said in an interview.
Dr. Hong is senior author on the current observational study based on the CONNECT-DES registry, which compared rosuvastatin 10 mg/day plus ezetimibe 10 mg/day – used in RACING – with rosuvastatin 20 mg/day in a nationwide cohort of 72,050 patients.
“As we know, populations who are enrolled in randomized studies do not sufficiently represent real patients in practice,” he observed, “so we wanted to evaluate the generalizability of the RACING results in daily clinical practice.”
Deepak L. Bhatt, MD, said he likes studies that look at whether clinical trial results “play out in the real world,” as this one did. “They have largely replicated the results of the RACING trial,” suggesting the approach using a moderate-intensity statin “is the way to go,” Dr. Bhatt of Mount Sinai Health System, New York, who was not affiliated with the current report, said in an interview. “In fact, the moderate-intensity combination regimen was actually better in this study.”
He said the observed reduction in new-onset diabetes with the moderate-intensity statin approach is also important. “There is a link between high-dose statins and diabetes. So, if given the choice, if you can get the benefits from a cardiovascular perspective with a lower risk of diabetes, it makes sense to use the combination therapy.”
Dr. Bhatt said he had been using high-intensity statin monotherapy in his high-risk patients, but RACING made him reconsider the value of moderate-dose statin combination therapy. “Going with lower doses of two drugs instead of high doses of one drug minimizes side effects and, in some cases, can even enhance efficacy – so this is not an unreasonable paradigm.”
In the current cohort study of patients prescribed rosuvastatin after DES implantation, 10,794 received rosuvastatin 10 mg/day plus ezetimibe 10 mg/day, and 61,256 were put on rosuvastatin 20 mg/day.
Hazard ratio risk reductions with the dual-agent lipid-lowering therapy approach, compared with high-intensity statin monotherapy, were more favorable for the primary composite clinical endpoint and important secondary events:
- HR, 0.75; 95% confidence interval, 0.70-0.79; P < .001) for CV death, MI, coronary artery revascularization, HF, or stroke at 3 years.
- HR, 0.85; 95% CI, 0.78-0.94; P = .001) for statin discontinuation.
- HR, 0.80; 95% CI, 0.72-0.88; P < .001) for new-onset diabetes requiring medication.
But HRs for rhabdomyolysis, cholecystectomy, or a new cancer diagnosis did not indicate significant differences between the two groups.
“Now that there is evidence to support the favorable clinical outcomes of combination lipid-lowering therapy with moderate-intensity statin plus ezetimibe” for secondary prevention from both RACING and a study reflecting daily clinical practice, Dr. Hong said, “physicians may feel more comfortable with this approach.”
The registry analysis “is remarkable not only for validating the results of the RACING trial in routine clinical practice in a high-risk secondary prevention population, but also for its innovative methodology,” states an accompanying editorial by Ori Ben-Yehuda, MD, Sulpizio Cardiovascular Center, University of California, San Diego.
Use of such a large single-payer database in their study “affords even greater external validity to the findings, complementing the internal validity of the randomized RACING trial,” Dr. Ben-Yehuda writes.
The rationale for combination therapy is strong, but additional data would be helpful, particularly for informing guidelines, he continues. “A pragmatic trial randomizing a broad racial and ethnic group of patients to low-dose statin,” such as a starting dose of 10 mg/day atorvastatin or 5 mg/day rosuvastatin “plus ezetimibe vs. high-intensity statin alone would provide much needed data to help guide lipid-lowering therapy for millions of patients and hopefully increase persistence on therapy.”
The study was supported by the Cardiovascular Research Center, Seoul, South Korea. Dr. Hong and Dr. Ben-Yehuda have disclosed no relevant financial relationships. Dr. Bhatt has previously disclosed grants and/or personal fees from many companies; personal fees from WebMD and other publications or organizations; and having other relationships with Medscape Cardiology and other publications or organizations.
A version of this article appeared on Medscape.com.
, suggests a “real-world” cohort study that is consistent with trial evidence.
In the observational study with more than 273,000 patients who received percutaneous coronary intervention (PCI) with drug-eluting stents (DES), risk for a broad composite clinical primary endpoint fell by one-fourth (P < .001) among those put on the two-drug regimen with a moderate-intensity statin, compared with those getting a high-intensity statin alone.
The dual-agent approach was also associated with a 15% drop in statin discontinuation and a 20% reduced risk for new-onset diabetes requiring medication (P < .001 for both benefits), reported investigators in the Journal of the American College of Cardiology.
The study’s primary endpoint – a composite of cardiovascular (CV) death, myocardial infarction (MI), coronary revascularization, heart failure (HF) hospitalization, or nonfatal stroke at 3 years – replicated that of the randomized RACING trial conducted by many of the same researchers and published about a year ago in The Lancet.
RACING demonstrated that ezetimibe plus a moderate-intensity statin could be as effective as a high-intensity statin in patients with CV disease, “but have fewer side effects and better compliance,” Myeong-Ki Hong, MD, PhD, Severance Hospital, Yonsei University, Seoul, South Korea, said in an interview.
Dr. Hong is senior author on the current observational study based on the CONNECT-DES registry, which compared rosuvastatin 10 mg/day plus ezetimibe 10 mg/day – used in RACING – with rosuvastatin 20 mg/day in a nationwide cohort of 72,050 patients.
“As we know, populations who are enrolled in randomized studies do not sufficiently represent real patients in practice,” he observed, “so we wanted to evaluate the generalizability of the RACING results in daily clinical practice.”
Deepak L. Bhatt, MD, said he likes studies that look at whether clinical trial results “play out in the real world,” as this one did. “They have largely replicated the results of the RACING trial,” suggesting the approach using a moderate-intensity statin “is the way to go,” Dr. Bhatt of Mount Sinai Health System, New York, who was not affiliated with the current report, said in an interview. “In fact, the moderate-intensity combination regimen was actually better in this study.”
He said the observed reduction in new-onset diabetes with the moderate-intensity statin approach is also important. “There is a link between high-dose statins and diabetes. So, if given the choice, if you can get the benefits from a cardiovascular perspective with a lower risk of diabetes, it makes sense to use the combination therapy.”
Dr. Bhatt said he had been using high-intensity statin monotherapy in his high-risk patients, but RACING made him reconsider the value of moderate-dose statin combination therapy. “Going with lower doses of two drugs instead of high doses of one drug minimizes side effects and, in some cases, can even enhance efficacy – so this is not an unreasonable paradigm.”
In the current cohort study of patients prescribed rosuvastatin after DES implantation, 10,794 received rosuvastatin 10 mg/day plus ezetimibe 10 mg/day, and 61,256 were put on rosuvastatin 20 mg/day.
Hazard ratio risk reductions with the dual-agent lipid-lowering therapy approach, compared with high-intensity statin monotherapy, were more favorable for the primary composite clinical endpoint and important secondary events:
- HR, 0.75; 95% confidence interval, 0.70-0.79; P < .001) for CV death, MI, coronary artery revascularization, HF, or stroke at 3 years.
- HR, 0.85; 95% CI, 0.78-0.94; P = .001) for statin discontinuation.
- HR, 0.80; 95% CI, 0.72-0.88; P < .001) for new-onset diabetes requiring medication.
But HRs for rhabdomyolysis, cholecystectomy, or a new cancer diagnosis did not indicate significant differences between the two groups.
“Now that there is evidence to support the favorable clinical outcomes of combination lipid-lowering therapy with moderate-intensity statin plus ezetimibe” for secondary prevention from both RACING and a study reflecting daily clinical practice, Dr. Hong said, “physicians may feel more comfortable with this approach.”
The registry analysis “is remarkable not only for validating the results of the RACING trial in routine clinical practice in a high-risk secondary prevention population, but also for its innovative methodology,” states an accompanying editorial by Ori Ben-Yehuda, MD, Sulpizio Cardiovascular Center, University of California, San Diego.
Use of such a large single-payer database in their study “affords even greater external validity to the findings, complementing the internal validity of the randomized RACING trial,” Dr. Ben-Yehuda writes.
The rationale for combination therapy is strong, but additional data would be helpful, particularly for informing guidelines, he continues. “A pragmatic trial randomizing a broad racial and ethnic group of patients to low-dose statin,” such as a starting dose of 10 mg/day atorvastatin or 5 mg/day rosuvastatin “plus ezetimibe vs. high-intensity statin alone would provide much needed data to help guide lipid-lowering therapy for millions of patients and hopefully increase persistence on therapy.”
The study was supported by the Cardiovascular Research Center, Seoul, South Korea. Dr. Hong and Dr. Ben-Yehuda have disclosed no relevant financial relationships. Dr. Bhatt has previously disclosed grants and/or personal fees from many companies; personal fees from WebMD and other publications or organizations; and having other relationships with Medscape Cardiology and other publications or organizations.
A version of this article appeared on Medscape.com.
FROM JACC
Invasive test may cut health care costs related to angina without obstructive CAD
Performing coronary reactivity (CR) testing during angiography in patients with angina without obstructive coronary disease (ANOCA) adds complexity and cost to the procedure but may, in the end, turn out to be a bargain.
probably by helping to limit downstream procedures and other use of health care resources.
In the retrospective study, CR testing included both adenosine and acetylcholine challenges to differentiate endothelium-dependent from endothelium-independent coronary reactivity as the physiological cause of ANOCA in individuals. Clarifying the cause at this stage of the patient’s clinical journey seemed to sharpen subsequent testing and management decisions, the researchers said.
Of the 414 patients with ANOCA who underwent invasive diagnostic angiography, 207 also received CR testing during the procedure. The difference in total healthcare costs between the two groups over 2 years averaged about $20,000, largely because of the CR-testing group’s reduced use of downstream imaging, interventional procedures, and other tests, notes a report on the study published in Circulation: Cardiovascular Interventions.
For such patients referred for coronary angiography found to be without obstructive disease, “the right thing to do is a vascular reactivity test to assess if there is any abnormality that can contribute to this patient’s symptoms and events,” senior author Amir Lerman, MD, Mayo Clinic, Rochester, Minn., said in an interview. Coronary reactivity testing “is expensive to set up initially, but it actually saves money by reducing the need for additional unnecessary testing and hospitalizations in these patients.”
The financial burden linked to the diagnosis and treatment of patients with chest pain is considerable, Dr. Lerman observed. It can involve a series of tests and culminate in a coronary angiogram. However, symptoms may continue if therapy does not correctly target one or more of several different potential mechanisms, including microvascular dysfunction and vasospastic disorders.
“This paper says that if you establish a program of coronary reactivity testing you will ultimately reduce health care costs, because patients stop coming back to the hospital, or their physician stops ordering more tests or repeat angiograms because the patient has a true diagnosis,” observed Morton J. Kern, MD, University of California, Irvine, and VA Long Beach (Calif.) Health Care.
“That elimination of uncertainty and reduction of testing has a good payoff,” Dr. Kern said in an interview. “The concept is good; the only challenge is that this is a complicated set of manipulations in the cath lab to get to the results.”
A minority of cardiac cath labs in the United States perform CR testing, despite its inclusion for ANOCA in guidelines from both the European Society of Cardiology and the American Heart Association/American College of Cardiology, the authors noted. Cost and its requirement for specialized expertise may contribute to its poor uptake in practice.
In an editorial accompanying the report, Dr. Kern and David J. Cohen, MD, Cardiovascular Research Foundation, New York, and St. Francis Hospital and Heart Center, Roslyn, N.Y., said they agree with the authors’ recommendation for more widespread use of CR testing.
However, the initiation of a CR testing program is no small task. “In addition to motivated practitioners, operators with specific procedural expertise must have formalized technical training to produce valid results and to limit the procedural risks,” they wrote.
Moreover, expenses for a CR testing program “will likely be incurred without balanced reimbursement, but the health care system will benefit in the long run.”
The total health-related costs for the two groups of 207 in the analysis were tracked for 2 years after the procedure and found to be significantly higher (P < .001) in the group that had received coronary angiography without CR testing. Their average annual cost was $37,804 (range, $26,933-$48,674), compared with $13,679 (range, $9,447-$17,910) for those that had undergone CR testing.
The angiography-only group’s costs for procedures (including surgical or percutaneous intervention, endoscopy, and bronchoscopy) averaged $5,872 (range, $3,798-$7,946), compared with $2,104 (range, $1,202-$3,006) in the CR testing group (P = .001).
Similarly, costs for any type of imaging, including at cardiac catheterization, averaged $2,639 (range, $2,093 to $3,185) and $1,426 (range, $1,090 to $1,761), respectively (P < .001).
Annual total hospital services costs were also higher in the angiography-only group at $21,820 versus $6,409 (P < .001) for the group that underwent CR testing.
Caution is required when interpreting these results, Matthew Tomey, MD, Mount Sinai Morningside Hospital and Icahn School of Medicine at Mount Sinai, New York, said in an interview.
“The observed cost differences are interesting and hypothesis generating but they fall short of providing strong evidence that [CR testing] saves money or that [it] should be incorporated into routine practice,” Dr. Tomey said. “Multiple biases can skew findings of retrospective observational studies. A prospective, randomized study would be needed to draw stronger conclusions.”
Still, it’s true that “there is substantial opportunity to do better in diagnosing chest pain in our patients with no apparent, explanatory obstructive coronary atherosclerosis,” he said. “There are emerging invasive and noninvasive ways to do so. Helping our patients get to the right diagnosis is the right thing to do. It will lead to better treatment recommendations, improved patient symptoms, improved patient confidence, and – it stands to reason – cost benefits in the long term.”
The study was funded by a grant from Philips. Dr. Lerman reported receiving honoraria from Philips Volcano. Dr. Kern disclosed speaking for Abbott Vascular, Boston Scientific, Acist, Opsens, and Zoll. Dr. Cohen disclosed receiving institutional grant support from Abbott Vascular, Boston Scientific, CathWorks, and Philips; and consulting income from Abbott, Boston Scientific, and Medtronic. Dr. Tomey reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
Performing coronary reactivity (CR) testing during angiography in patients with angina without obstructive coronary disease (ANOCA) adds complexity and cost to the procedure but may, in the end, turn out to be a bargain.
probably by helping to limit downstream procedures and other use of health care resources.
In the retrospective study, CR testing included both adenosine and acetylcholine challenges to differentiate endothelium-dependent from endothelium-independent coronary reactivity as the physiological cause of ANOCA in individuals. Clarifying the cause at this stage of the patient’s clinical journey seemed to sharpen subsequent testing and management decisions, the researchers said.
Of the 414 patients with ANOCA who underwent invasive diagnostic angiography, 207 also received CR testing during the procedure. The difference in total healthcare costs between the two groups over 2 years averaged about $20,000, largely because of the CR-testing group’s reduced use of downstream imaging, interventional procedures, and other tests, notes a report on the study published in Circulation: Cardiovascular Interventions.
For such patients referred for coronary angiography found to be without obstructive disease, “the right thing to do is a vascular reactivity test to assess if there is any abnormality that can contribute to this patient’s symptoms and events,” senior author Amir Lerman, MD, Mayo Clinic, Rochester, Minn., said in an interview. Coronary reactivity testing “is expensive to set up initially, but it actually saves money by reducing the need for additional unnecessary testing and hospitalizations in these patients.”
The financial burden linked to the diagnosis and treatment of patients with chest pain is considerable, Dr. Lerman observed. It can involve a series of tests and culminate in a coronary angiogram. However, symptoms may continue if therapy does not correctly target one or more of several different potential mechanisms, including microvascular dysfunction and vasospastic disorders.
“This paper says that if you establish a program of coronary reactivity testing you will ultimately reduce health care costs, because patients stop coming back to the hospital, or their physician stops ordering more tests or repeat angiograms because the patient has a true diagnosis,” observed Morton J. Kern, MD, University of California, Irvine, and VA Long Beach (Calif.) Health Care.
“That elimination of uncertainty and reduction of testing has a good payoff,” Dr. Kern said in an interview. “The concept is good; the only challenge is that this is a complicated set of manipulations in the cath lab to get to the results.”
A minority of cardiac cath labs in the United States perform CR testing, despite its inclusion for ANOCA in guidelines from both the European Society of Cardiology and the American Heart Association/American College of Cardiology, the authors noted. Cost and its requirement for specialized expertise may contribute to its poor uptake in practice.
In an editorial accompanying the report, Dr. Kern and David J. Cohen, MD, Cardiovascular Research Foundation, New York, and St. Francis Hospital and Heart Center, Roslyn, N.Y., said they agree with the authors’ recommendation for more widespread use of CR testing.
However, the initiation of a CR testing program is no small task. “In addition to motivated practitioners, operators with specific procedural expertise must have formalized technical training to produce valid results and to limit the procedural risks,” they wrote.
Moreover, expenses for a CR testing program “will likely be incurred without balanced reimbursement, but the health care system will benefit in the long run.”
The total health-related costs for the two groups of 207 in the analysis were tracked for 2 years after the procedure and found to be significantly higher (P < .001) in the group that had received coronary angiography without CR testing. Their average annual cost was $37,804 (range, $26,933-$48,674), compared with $13,679 (range, $9,447-$17,910) for those that had undergone CR testing.
The angiography-only group’s costs for procedures (including surgical or percutaneous intervention, endoscopy, and bronchoscopy) averaged $5,872 (range, $3,798-$7,946), compared with $2,104 (range, $1,202-$3,006) in the CR testing group (P = .001).
Similarly, costs for any type of imaging, including at cardiac catheterization, averaged $2,639 (range, $2,093 to $3,185) and $1,426 (range, $1,090 to $1,761), respectively (P < .001).
Annual total hospital services costs were also higher in the angiography-only group at $21,820 versus $6,409 (P < .001) for the group that underwent CR testing.
Caution is required when interpreting these results, Matthew Tomey, MD, Mount Sinai Morningside Hospital and Icahn School of Medicine at Mount Sinai, New York, said in an interview.
“The observed cost differences are interesting and hypothesis generating but they fall short of providing strong evidence that [CR testing] saves money or that [it] should be incorporated into routine practice,” Dr. Tomey said. “Multiple biases can skew findings of retrospective observational studies. A prospective, randomized study would be needed to draw stronger conclusions.”
Still, it’s true that “there is substantial opportunity to do better in diagnosing chest pain in our patients with no apparent, explanatory obstructive coronary atherosclerosis,” he said. “There are emerging invasive and noninvasive ways to do so. Helping our patients get to the right diagnosis is the right thing to do. It will lead to better treatment recommendations, improved patient symptoms, improved patient confidence, and – it stands to reason – cost benefits in the long term.”
The study was funded by a grant from Philips. Dr. Lerman reported receiving honoraria from Philips Volcano. Dr. Kern disclosed speaking for Abbott Vascular, Boston Scientific, Acist, Opsens, and Zoll. Dr. Cohen disclosed receiving institutional grant support from Abbott Vascular, Boston Scientific, CathWorks, and Philips; and consulting income from Abbott, Boston Scientific, and Medtronic. Dr. Tomey reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
Performing coronary reactivity (CR) testing during angiography in patients with angina without obstructive coronary disease (ANOCA) adds complexity and cost to the procedure but may, in the end, turn out to be a bargain.
probably by helping to limit downstream procedures and other use of health care resources.
In the retrospective study, CR testing included both adenosine and acetylcholine challenges to differentiate endothelium-dependent from endothelium-independent coronary reactivity as the physiological cause of ANOCA in individuals. Clarifying the cause at this stage of the patient’s clinical journey seemed to sharpen subsequent testing and management decisions, the researchers said.
Of the 414 patients with ANOCA who underwent invasive diagnostic angiography, 207 also received CR testing during the procedure. The difference in total healthcare costs between the two groups over 2 years averaged about $20,000, largely because of the CR-testing group’s reduced use of downstream imaging, interventional procedures, and other tests, notes a report on the study published in Circulation: Cardiovascular Interventions.
For such patients referred for coronary angiography found to be without obstructive disease, “the right thing to do is a vascular reactivity test to assess if there is any abnormality that can contribute to this patient’s symptoms and events,” senior author Amir Lerman, MD, Mayo Clinic, Rochester, Minn., said in an interview. Coronary reactivity testing “is expensive to set up initially, but it actually saves money by reducing the need for additional unnecessary testing and hospitalizations in these patients.”
The financial burden linked to the diagnosis and treatment of patients with chest pain is considerable, Dr. Lerman observed. It can involve a series of tests and culminate in a coronary angiogram. However, symptoms may continue if therapy does not correctly target one or more of several different potential mechanisms, including microvascular dysfunction and vasospastic disorders.
“This paper says that if you establish a program of coronary reactivity testing you will ultimately reduce health care costs, because patients stop coming back to the hospital, or their physician stops ordering more tests or repeat angiograms because the patient has a true diagnosis,” observed Morton J. Kern, MD, University of California, Irvine, and VA Long Beach (Calif.) Health Care.
“That elimination of uncertainty and reduction of testing has a good payoff,” Dr. Kern said in an interview. “The concept is good; the only challenge is that this is a complicated set of manipulations in the cath lab to get to the results.”
A minority of cardiac cath labs in the United States perform CR testing, despite its inclusion for ANOCA in guidelines from both the European Society of Cardiology and the American Heart Association/American College of Cardiology, the authors noted. Cost and its requirement for specialized expertise may contribute to its poor uptake in practice.
In an editorial accompanying the report, Dr. Kern and David J. Cohen, MD, Cardiovascular Research Foundation, New York, and St. Francis Hospital and Heart Center, Roslyn, N.Y., said they agree with the authors’ recommendation for more widespread use of CR testing.
However, the initiation of a CR testing program is no small task. “In addition to motivated practitioners, operators with specific procedural expertise must have formalized technical training to produce valid results and to limit the procedural risks,” they wrote.
Moreover, expenses for a CR testing program “will likely be incurred without balanced reimbursement, but the health care system will benefit in the long run.”
The total health-related costs for the two groups of 207 in the analysis were tracked for 2 years after the procedure and found to be significantly higher (P < .001) in the group that had received coronary angiography without CR testing. Their average annual cost was $37,804 (range, $26,933-$48,674), compared with $13,679 (range, $9,447-$17,910) for those that had undergone CR testing.
The angiography-only group’s costs for procedures (including surgical or percutaneous intervention, endoscopy, and bronchoscopy) averaged $5,872 (range, $3,798-$7,946), compared with $2,104 (range, $1,202-$3,006) in the CR testing group (P = .001).
Similarly, costs for any type of imaging, including at cardiac catheterization, averaged $2,639 (range, $2,093 to $3,185) and $1,426 (range, $1,090 to $1,761), respectively (P < .001).
Annual total hospital services costs were also higher in the angiography-only group at $21,820 versus $6,409 (P < .001) for the group that underwent CR testing.
Caution is required when interpreting these results, Matthew Tomey, MD, Mount Sinai Morningside Hospital and Icahn School of Medicine at Mount Sinai, New York, said in an interview.
“The observed cost differences are interesting and hypothesis generating but they fall short of providing strong evidence that [CR testing] saves money or that [it] should be incorporated into routine practice,” Dr. Tomey said. “Multiple biases can skew findings of retrospective observational studies. A prospective, randomized study would be needed to draw stronger conclusions.”
Still, it’s true that “there is substantial opportunity to do better in diagnosing chest pain in our patients with no apparent, explanatory obstructive coronary atherosclerosis,” he said. “There are emerging invasive and noninvasive ways to do so. Helping our patients get to the right diagnosis is the right thing to do. It will lead to better treatment recommendations, improved patient symptoms, improved patient confidence, and – it stands to reason – cost benefits in the long term.”
The study was funded by a grant from Philips. Dr. Lerman reported receiving honoraria from Philips Volcano. Dr. Kern disclosed speaking for Abbott Vascular, Boston Scientific, Acist, Opsens, and Zoll. Dr. Cohen disclosed receiving institutional grant support from Abbott Vascular, Boston Scientific, CathWorks, and Philips; and consulting income from Abbott, Boston Scientific, and Medtronic. Dr. Tomey reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
FROM CIRCULATION: CARDIOVASCULAR INTERVENTIONS
Progesterone might benefit women in perimenopause
In a randomized, placebo-controlled trial of about 180 women with vasomotor symptoms (VMS), women who received progesterone perceived a significantly greater decrease in night sweats (P = .023) and improved sleep quality (P = .005), compared with controls. VMS score did not differ significantly by treatment group, however.
“Women who have menstruated within the last year, who are waking twice or more times a week with night sweats and bothered by sleep disturbances would benefit from taking oral micronized progesterone 300 mg at bedtime,” principal investigator Jerilynn C. Prior, MD, professor of endocrinology at the University of British Columbia in Vancouver, British Columbia, Canada, said in an interview.
The study was published online in Scientific Reports.
A neglected group?
The best management for symptoms in perimenopause is an often-neglected topic of research, said Dr. Prior. Yet perimenopause is often associated with significant symptoms for women, including heavy menstrual bleeding, sore breasts, mood swings, night sweats, and insomnia – all when many women are at the peak of their careers.
Dr. Prior herself had a difficult perimenopause. “I began having cyclic night sweats, clustered around flow, when I was still having regular menstrual cycles, plus breast tenderness and sleep problems,” she said. “I knew from my research and my own experience that my estrogen levels were very high. Higher estrogen levels are not suppressible by exogenous estrogen, so it made no sense to me to ask my family doctor for a prescription for estrogen – or hormone replacement therapy, as it was then called. However, medroxyprogesterone acetate had been reported to be effective for menopausal hot flushes. I tried it, and it helped my night sweats and hot flushes but not my sleep. When oral micronized progesterone became available, I switched to that.”
In the current study, which was performed at the UBC Centre for Menstrual Cycle and Ovulation Research, the investigators studied 189 community-dwelling women from across Canada who were aged 35-58 years, had menstruated in the past year, and were bothered by daytime flushes or night sweats at least twice per week.
Participants were randomly assigned to receive either 300 mg of oral micronized progesterone or placebo at bedtime for 3 months. They recorded VMS number and intensity while awake and asleep each day. Some women participated remotely by web conference, telephone, or email. The experimental medicine was delivered to these participants by courier. The primary outcome was VMS score during the 3rd month.
Most (87%) participants were White, and about 57% had a college degree. The population’s average body mass index was 26.7, and 66.7% of participants were in late perimenopause.
The mean baseline VMS score among the women was 12.2. The average frequency of VMS per 24-hour day was 4.9. Average VMS intensity was 2.3 on a scale of 0-4. VMS scores decreased over time in both treatment groups.
At month 3, the VMS score was 5.5 in the progesterone group and 7.1 in the placebo group. The difference between groups was not statistically significant.
Compared with controls, however, women in the progesterone group perceived a significantly greater decrease in night sweats and improved sleep quality. Progesterone also was associated with significantly decreased perception of physical and emotional interference with their daily activities, compared with placebo (P = .017). Moreover, progesterone did not increase depression.
There were no serious adverse events.
“I hope that when women who look young and are still menstruating in their late 30s to early 50s go to the doctor and ask for help with night sweats and sleep problems, they will be told about this trial and offered progesterone therapy. I also hope they won’t be told, ‘You are too young,’ or ‘You are not in menopause,’ with the inference that the issue is all in their minds,” said Dr. Prior.
Useful dosing information
Mitchell S. Kramer, MD, chair of obstetrics and gynecology at Huntington (N.Y.) Hospital Northwell Health, said in a comment that “progesterone has been used for quite a while. I’ve been treating menopausal and perimenopausal hormonal disturbances and VMS for many years, and progesterone has been a real staple of treatment for these symptoms, especially in perimenopausal patients who are not good candidates for estrogen or who won’t accept treatment with estrogen. It’s actually nice to see a study that addresses this issue in a randomized controlled fashion and that confirms the efficacy of progesterone.”
The most helpful aspect of the study is the dosing information, Dr. Kramer added. “They recommend a 300-mg dose of oral micronized progesterone, which is much higher than I normally use. I may start to prescribe the higher dose and perhaps get a better or more complete response. There were no adverse events reported in this study, so the higher dose was enlightening to me,” he said.
Perimenopause is a time that is challenging to manage, said Michelle Jacobson, MD, of the department of obstetrics and gynecology at the University of Toronto, and obstetrician-gynecologist at Women’s College and Mount Sinai Hospitals in Toronto.
“There are so many nuances to the management. Women are suffering oftentimes from classic menopausal symptoms. There are fluctuating levels of estrogen, sometimes high. Sometimes there are complications of bleeding. There is the potential need for contraception because they are still menstruating,” she said in an interview.
“It’s important to specifically study this group of women with their own unique needs. Dr. Prior is a longtime proponent of using progesterone therapy, and kudos to her for doing this study in perimenopausal women, which is a group that is probably underrepresented in the menopause management literature,” she said.
Dr. Prior and Dr. Kramer reported no relevant financial relationships. Dr. Jacobson reported financial relationships with Astellas, AbbVie, Bayer, BioSyent, Duchesnay, Eisai, Lupin, Organon, Pfizer, and Searchlight.
A version of this article first appeared on Medscape.com.
In a randomized, placebo-controlled trial of about 180 women with vasomotor symptoms (VMS), women who received progesterone perceived a significantly greater decrease in night sweats (P = .023) and improved sleep quality (P = .005), compared with controls. VMS score did not differ significantly by treatment group, however.
“Women who have menstruated within the last year, who are waking twice or more times a week with night sweats and bothered by sleep disturbances would benefit from taking oral micronized progesterone 300 mg at bedtime,” principal investigator Jerilynn C. Prior, MD, professor of endocrinology at the University of British Columbia in Vancouver, British Columbia, Canada, said in an interview.
The study was published online in Scientific Reports.
A neglected group?
The best management for symptoms in perimenopause is an often-neglected topic of research, said Dr. Prior. Yet perimenopause is often associated with significant symptoms for women, including heavy menstrual bleeding, sore breasts, mood swings, night sweats, and insomnia – all when many women are at the peak of their careers.
Dr. Prior herself had a difficult perimenopause. “I began having cyclic night sweats, clustered around flow, when I was still having regular menstrual cycles, plus breast tenderness and sleep problems,” she said. “I knew from my research and my own experience that my estrogen levels were very high. Higher estrogen levels are not suppressible by exogenous estrogen, so it made no sense to me to ask my family doctor for a prescription for estrogen – or hormone replacement therapy, as it was then called. However, medroxyprogesterone acetate had been reported to be effective for menopausal hot flushes. I tried it, and it helped my night sweats and hot flushes but not my sleep. When oral micronized progesterone became available, I switched to that.”
In the current study, which was performed at the UBC Centre for Menstrual Cycle and Ovulation Research, the investigators studied 189 community-dwelling women from across Canada who were aged 35-58 years, had menstruated in the past year, and were bothered by daytime flushes or night sweats at least twice per week.
Participants were randomly assigned to receive either 300 mg of oral micronized progesterone or placebo at bedtime for 3 months. They recorded VMS number and intensity while awake and asleep each day. Some women participated remotely by web conference, telephone, or email. The experimental medicine was delivered to these participants by courier. The primary outcome was VMS score during the 3rd month.
Most (87%) participants were White, and about 57% had a college degree. The population’s average body mass index was 26.7, and 66.7% of participants were in late perimenopause.
The mean baseline VMS score among the women was 12.2. The average frequency of VMS per 24-hour day was 4.9. Average VMS intensity was 2.3 on a scale of 0-4. VMS scores decreased over time in both treatment groups.
At month 3, the VMS score was 5.5 in the progesterone group and 7.1 in the placebo group. The difference between groups was not statistically significant.
Compared with controls, however, women in the progesterone group perceived a significantly greater decrease in night sweats and improved sleep quality. Progesterone also was associated with significantly decreased perception of physical and emotional interference with their daily activities, compared with placebo (P = .017). Moreover, progesterone did not increase depression.
There were no serious adverse events.
“I hope that when women who look young and are still menstruating in their late 30s to early 50s go to the doctor and ask for help with night sweats and sleep problems, they will be told about this trial and offered progesterone therapy. I also hope they won’t be told, ‘You are too young,’ or ‘You are not in menopause,’ with the inference that the issue is all in their minds,” said Dr. Prior.
Useful dosing information
Mitchell S. Kramer, MD, chair of obstetrics and gynecology at Huntington (N.Y.) Hospital Northwell Health, said in a comment that “progesterone has been used for quite a while. I’ve been treating menopausal and perimenopausal hormonal disturbances and VMS for many years, and progesterone has been a real staple of treatment for these symptoms, especially in perimenopausal patients who are not good candidates for estrogen or who won’t accept treatment with estrogen. It’s actually nice to see a study that addresses this issue in a randomized controlled fashion and that confirms the efficacy of progesterone.”
The most helpful aspect of the study is the dosing information, Dr. Kramer added. “They recommend a 300-mg dose of oral micronized progesterone, which is much higher than I normally use. I may start to prescribe the higher dose and perhaps get a better or more complete response. There were no adverse events reported in this study, so the higher dose was enlightening to me,” he said.
Perimenopause is a time that is challenging to manage, said Michelle Jacobson, MD, of the department of obstetrics and gynecology at the University of Toronto, and obstetrician-gynecologist at Women’s College and Mount Sinai Hospitals in Toronto.
“There are so many nuances to the management. Women are suffering oftentimes from classic menopausal symptoms. There are fluctuating levels of estrogen, sometimes high. Sometimes there are complications of bleeding. There is the potential need for contraception because they are still menstruating,” she said in an interview.
“It’s important to specifically study this group of women with their own unique needs. Dr. Prior is a longtime proponent of using progesterone therapy, and kudos to her for doing this study in perimenopausal women, which is a group that is probably underrepresented in the menopause management literature,” she said.
Dr. Prior and Dr. Kramer reported no relevant financial relationships. Dr. Jacobson reported financial relationships with Astellas, AbbVie, Bayer, BioSyent, Duchesnay, Eisai, Lupin, Organon, Pfizer, and Searchlight.
A version of this article first appeared on Medscape.com.
In a randomized, placebo-controlled trial of about 180 women with vasomotor symptoms (VMS), women who received progesterone perceived a significantly greater decrease in night sweats (P = .023) and improved sleep quality (P = .005), compared with controls. VMS score did not differ significantly by treatment group, however.
“Women who have menstruated within the last year, who are waking twice or more times a week with night sweats and bothered by sleep disturbances would benefit from taking oral micronized progesterone 300 mg at bedtime,” principal investigator Jerilynn C. Prior, MD, professor of endocrinology at the University of British Columbia in Vancouver, British Columbia, Canada, said in an interview.
The study was published online in Scientific Reports.
A neglected group?
The best management for symptoms in perimenopause is an often-neglected topic of research, said Dr. Prior. Yet perimenopause is often associated with significant symptoms for women, including heavy menstrual bleeding, sore breasts, mood swings, night sweats, and insomnia – all when many women are at the peak of their careers.
Dr. Prior herself had a difficult perimenopause. “I began having cyclic night sweats, clustered around flow, when I was still having regular menstrual cycles, plus breast tenderness and sleep problems,” she said. “I knew from my research and my own experience that my estrogen levels were very high. Higher estrogen levels are not suppressible by exogenous estrogen, so it made no sense to me to ask my family doctor for a prescription for estrogen – or hormone replacement therapy, as it was then called. However, medroxyprogesterone acetate had been reported to be effective for menopausal hot flushes. I tried it, and it helped my night sweats and hot flushes but not my sleep. When oral micronized progesterone became available, I switched to that.”
In the current study, which was performed at the UBC Centre for Menstrual Cycle and Ovulation Research, the investigators studied 189 community-dwelling women from across Canada who were aged 35-58 years, had menstruated in the past year, and were bothered by daytime flushes or night sweats at least twice per week.
Participants were randomly assigned to receive either 300 mg of oral micronized progesterone or placebo at bedtime for 3 months. They recorded VMS number and intensity while awake and asleep each day. Some women participated remotely by web conference, telephone, or email. The experimental medicine was delivered to these participants by courier. The primary outcome was VMS score during the 3rd month.
Most (87%) participants were White, and about 57% had a college degree. The population’s average body mass index was 26.7, and 66.7% of participants were in late perimenopause.
The mean baseline VMS score among the women was 12.2. The average frequency of VMS per 24-hour day was 4.9. Average VMS intensity was 2.3 on a scale of 0-4. VMS scores decreased over time in both treatment groups.
At month 3, the VMS score was 5.5 in the progesterone group and 7.1 in the placebo group. The difference between groups was not statistically significant.
Compared with controls, however, women in the progesterone group perceived a significantly greater decrease in night sweats and improved sleep quality. Progesterone also was associated with significantly decreased perception of physical and emotional interference with their daily activities, compared with placebo (P = .017). Moreover, progesterone did not increase depression.
There were no serious adverse events.
“I hope that when women who look young and are still menstruating in their late 30s to early 50s go to the doctor and ask for help with night sweats and sleep problems, they will be told about this trial and offered progesterone therapy. I also hope they won’t be told, ‘You are too young,’ or ‘You are not in menopause,’ with the inference that the issue is all in their minds,” said Dr. Prior.
Useful dosing information
Mitchell S. Kramer, MD, chair of obstetrics and gynecology at Huntington (N.Y.) Hospital Northwell Health, said in a comment that “progesterone has been used for quite a while. I’ve been treating menopausal and perimenopausal hormonal disturbances and VMS for many years, and progesterone has been a real staple of treatment for these symptoms, especially in perimenopausal patients who are not good candidates for estrogen or who won’t accept treatment with estrogen. It’s actually nice to see a study that addresses this issue in a randomized controlled fashion and that confirms the efficacy of progesterone.”
The most helpful aspect of the study is the dosing information, Dr. Kramer added. “They recommend a 300-mg dose of oral micronized progesterone, which is much higher than I normally use. I may start to prescribe the higher dose and perhaps get a better or more complete response. There were no adverse events reported in this study, so the higher dose was enlightening to me,” he said.
Perimenopause is a time that is challenging to manage, said Michelle Jacobson, MD, of the department of obstetrics and gynecology at the University of Toronto, and obstetrician-gynecologist at Women’s College and Mount Sinai Hospitals in Toronto.
“There are so many nuances to the management. Women are suffering oftentimes from classic menopausal symptoms. There are fluctuating levels of estrogen, sometimes high. Sometimes there are complications of bleeding. There is the potential need for contraception because they are still menstruating,” she said in an interview.
“It’s important to specifically study this group of women with their own unique needs. Dr. Prior is a longtime proponent of using progesterone therapy, and kudos to her for doing this study in perimenopausal women, which is a group that is probably underrepresented in the menopause management literature,” she said.
Dr. Prior and Dr. Kramer reported no relevant financial relationships. Dr. Jacobson reported financial relationships with Astellas, AbbVie, Bayer, BioSyent, Duchesnay, Eisai, Lupin, Organon, Pfizer, and Searchlight.
A version of this article first appeared on Medscape.com.
FROM SCIENTIFIC REPORTS
Anti-CGRP monoclonal antibody offers relief from migraine and comorbid depression
AUSTIN, TEX. – , new research shows.
Patients with both conditions who were randomly assigned to receive fremanezumab showed a statistically significant reduction in both the 17-item Hamilton Depression Rating Scale (HAMD-17) and the nine-criteria Patient Health Questionnaire (PHQ-9) scores, compared with matched controls who received placebo.
The results from the UNITE trial were presented at the annual meeting of the American Headache Society.
Long-standing questions
“It’s been well known for a long time that migraine is comorbid with a number of illnesses, and one of the most common is depression,” said study investigator Richard B. Lipton, a professor of neurology at Albert Einstein College of Medicine and the director of the Montefiore Headache Center, New York.
“Do you treat the depression? Do you treat the migraine? Do you independently treat both? Those have been long-standing questions for clinicians,” Dr. Lipton said.
Investigators randomly assigned 330 adults with migraine who were diagnosed with moderate-to-severe MDD (defined as a PHQ-9 score of 10 or greater) to receive 225 mg subcutaneous monthly fremanezumab (n = 164) or placebo (n = 166) for 12 weeks.
The trial continued as an open-label trial for another 12 weeks.
During the double-blind phase of the study, the mean change from baseline in the HAMD-17 score with placebo was –4.6 at week 8 and –5.4 at week 12, compared with –6.0 with fremanezumab at week 8 (P = .0205) and –6.7 at week 12 (P = .0228).
The change from baseline in PHQ-9 total score at week 8 was –5.8 for placebo and –7.1 for fremanezumab (P = .0283). At week 12, the change was –6.3 for placebo versus –7.8 for fremanezumab (P = .0108). These reductions were maintained throughout the open-label period of the trial.
The beneficial effect on depression and migraine demonstrated in the study is interesting on several levels, Dr. Lipton said.
“One, it tells us that if the patient has migraine and depression and you treat with fremanezumab, both disorders get better to a statistically significant degree. That’s critically important,” he said.
“The other thing, and this is actually what I find most interesting about this study, is that fremanezumab doesn’t get into the brain. There are many antimigraine therapies that do, so you can treat a patient with migraine and depression with a tricyclic antidepressant.”
“It may make the migraine better and the depression better, but you don’t know if the benefit in depression comes from the improvement in migraine, because of course the antidepressant works for both conditions. Maybe there are people who would disagree with this, but my interpretation [of the trial results] is that the depression got better because the migraine got better,” he added.
The link between migraine and depression is well established, Dr. Lipton added. Longitudinal studies have shown that people with depression but without migraine develop migraine at increased rates, compared with people with no depression. Conversely, people with migraine but no depression develop depression at increased rates.
“Both disorders may have a common substrate, but I also think many forms of chronic pain lead to depression, and that’s the part we’re making better,” he said.
If fremanezumab has this dual effect on migraine and depression, it is possible that other anti-CGRP drugs will have a similar effect, Dr. Lipton said.
“Honestly, my hope is that other companies that make effective drugs will do similar studies to see if other monoclonal antibodies that target CGRP have the same effect. My guess is that all of them work but until the studies are done, I’m going to use fremanezumab, the one that has been studied, in my patients.”
He added that depression is an important comorbidity of migraine and represents a huge challenge for clinicians. “A lot of headache patients want to know what to do about comorbid anxiety or comorbid depression. I run a headache center in a specialty practice, and when people come in with migraine, they almost always come in with migraine and depression or anxiety or another pain disorder, or something else, and one of the great challenges in the practice is managing these comorbidities,” he said.
A bidirectional relationship
The overlap between migraine and depression and anxiety has been known for quite a while, agreed Elizabeth W. Loder, MD, MPH, vice chair of academic affairs, department of neurology, Brigham and Women’s Hospital, and professor of neurology at Harvard Medical School, both in Boston.
“I think the relationship is generally viewed as bidirectional and causality is uncertain. I still do not think I would assume that any drug that reduces migraine would reduce depression,” said Dr. Loder.
However, she added, the fremanezumab study data are interesting. “The effects of any drug on depression could be due to improvement of migraine or it could be due to some other effect of the treatment on depression. That is what makes these results so intriguing. If the findings are borne out by other studies, it could mean that these treatments would be preferred to those older ones in patients with depression,” Dr. Loder said.
Also commenting on the findings, Huma Sheikh, MD, CEO of NY Neurology Medicine PC, said the study is important because it confirms the strong association between migraine and depression. “Both conditions have similar underlying neurobiological pathophysiologies, and if you are impacting one area in the brain with the CGRP inhibitors, you might also be targeting some of the receptors or pathways that are involved in depression,” Dr. Sheikh said.
The study was funded by Teva Pharmaceuticals. Dr. Lipton reported financial relationships with Teva and multiple other pharmaceutical companies. Dr. Loder and Dr. Sheikh have disclosed no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
AUSTIN, TEX. – , new research shows.
Patients with both conditions who were randomly assigned to receive fremanezumab showed a statistically significant reduction in both the 17-item Hamilton Depression Rating Scale (HAMD-17) and the nine-criteria Patient Health Questionnaire (PHQ-9) scores, compared with matched controls who received placebo.
The results from the UNITE trial were presented at the annual meeting of the American Headache Society.
Long-standing questions
“It’s been well known for a long time that migraine is comorbid with a number of illnesses, and one of the most common is depression,” said study investigator Richard B. Lipton, a professor of neurology at Albert Einstein College of Medicine and the director of the Montefiore Headache Center, New York.
“Do you treat the depression? Do you treat the migraine? Do you independently treat both? Those have been long-standing questions for clinicians,” Dr. Lipton said.
Investigators randomly assigned 330 adults with migraine who were diagnosed with moderate-to-severe MDD (defined as a PHQ-9 score of 10 or greater) to receive 225 mg subcutaneous monthly fremanezumab (n = 164) or placebo (n = 166) for 12 weeks.
The trial continued as an open-label trial for another 12 weeks.
During the double-blind phase of the study, the mean change from baseline in the HAMD-17 score with placebo was –4.6 at week 8 and –5.4 at week 12, compared with –6.0 with fremanezumab at week 8 (P = .0205) and –6.7 at week 12 (P = .0228).
The change from baseline in PHQ-9 total score at week 8 was –5.8 for placebo and –7.1 for fremanezumab (P = .0283). At week 12, the change was –6.3 for placebo versus –7.8 for fremanezumab (P = .0108). These reductions were maintained throughout the open-label period of the trial.
The beneficial effect on depression and migraine demonstrated in the study is interesting on several levels, Dr. Lipton said.
“One, it tells us that if the patient has migraine and depression and you treat with fremanezumab, both disorders get better to a statistically significant degree. That’s critically important,” he said.
“The other thing, and this is actually what I find most interesting about this study, is that fremanezumab doesn’t get into the brain. There are many antimigraine therapies that do, so you can treat a patient with migraine and depression with a tricyclic antidepressant.”
“It may make the migraine better and the depression better, but you don’t know if the benefit in depression comes from the improvement in migraine, because of course the antidepressant works for both conditions. Maybe there are people who would disagree with this, but my interpretation [of the trial results] is that the depression got better because the migraine got better,” he added.
The link between migraine and depression is well established, Dr. Lipton added. Longitudinal studies have shown that people with depression but without migraine develop migraine at increased rates, compared with people with no depression. Conversely, people with migraine but no depression develop depression at increased rates.
“Both disorders may have a common substrate, but I also think many forms of chronic pain lead to depression, and that’s the part we’re making better,” he said.
If fremanezumab has this dual effect on migraine and depression, it is possible that other anti-CGRP drugs will have a similar effect, Dr. Lipton said.
“Honestly, my hope is that other companies that make effective drugs will do similar studies to see if other monoclonal antibodies that target CGRP have the same effect. My guess is that all of them work but until the studies are done, I’m going to use fremanezumab, the one that has been studied, in my patients.”
He added that depression is an important comorbidity of migraine and represents a huge challenge for clinicians. “A lot of headache patients want to know what to do about comorbid anxiety or comorbid depression. I run a headache center in a specialty practice, and when people come in with migraine, they almost always come in with migraine and depression or anxiety or another pain disorder, or something else, and one of the great challenges in the practice is managing these comorbidities,” he said.
A bidirectional relationship
The overlap between migraine and depression and anxiety has been known for quite a while, agreed Elizabeth W. Loder, MD, MPH, vice chair of academic affairs, department of neurology, Brigham and Women’s Hospital, and professor of neurology at Harvard Medical School, both in Boston.
“I think the relationship is generally viewed as bidirectional and causality is uncertain. I still do not think I would assume that any drug that reduces migraine would reduce depression,” said Dr. Loder.
However, she added, the fremanezumab study data are interesting. “The effects of any drug on depression could be due to improvement of migraine or it could be due to some other effect of the treatment on depression. That is what makes these results so intriguing. If the findings are borne out by other studies, it could mean that these treatments would be preferred to those older ones in patients with depression,” Dr. Loder said.
Also commenting on the findings, Huma Sheikh, MD, CEO of NY Neurology Medicine PC, said the study is important because it confirms the strong association between migraine and depression. “Both conditions have similar underlying neurobiological pathophysiologies, and if you are impacting one area in the brain with the CGRP inhibitors, you might also be targeting some of the receptors or pathways that are involved in depression,” Dr. Sheikh said.
The study was funded by Teva Pharmaceuticals. Dr. Lipton reported financial relationships with Teva and multiple other pharmaceutical companies. Dr. Loder and Dr. Sheikh have disclosed no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
AUSTIN, TEX. – , new research shows.
Patients with both conditions who were randomly assigned to receive fremanezumab showed a statistically significant reduction in both the 17-item Hamilton Depression Rating Scale (HAMD-17) and the nine-criteria Patient Health Questionnaire (PHQ-9) scores, compared with matched controls who received placebo.
The results from the UNITE trial were presented at the annual meeting of the American Headache Society.
Long-standing questions
“It’s been well known for a long time that migraine is comorbid with a number of illnesses, and one of the most common is depression,” said study investigator Richard B. Lipton, a professor of neurology at Albert Einstein College of Medicine and the director of the Montefiore Headache Center, New York.
“Do you treat the depression? Do you treat the migraine? Do you independently treat both? Those have been long-standing questions for clinicians,” Dr. Lipton said.
Investigators randomly assigned 330 adults with migraine who were diagnosed with moderate-to-severe MDD (defined as a PHQ-9 score of 10 or greater) to receive 225 mg subcutaneous monthly fremanezumab (n = 164) or placebo (n = 166) for 12 weeks.
The trial continued as an open-label trial for another 12 weeks.
During the double-blind phase of the study, the mean change from baseline in the HAMD-17 score with placebo was –4.6 at week 8 and –5.4 at week 12, compared with –6.0 with fremanezumab at week 8 (P = .0205) and –6.7 at week 12 (P = .0228).
The change from baseline in PHQ-9 total score at week 8 was –5.8 for placebo and –7.1 for fremanezumab (P = .0283). At week 12, the change was –6.3 for placebo versus –7.8 for fremanezumab (P = .0108). These reductions were maintained throughout the open-label period of the trial.
The beneficial effect on depression and migraine demonstrated in the study is interesting on several levels, Dr. Lipton said.
“One, it tells us that if the patient has migraine and depression and you treat with fremanezumab, both disorders get better to a statistically significant degree. That’s critically important,” he said.
“The other thing, and this is actually what I find most interesting about this study, is that fremanezumab doesn’t get into the brain. There are many antimigraine therapies that do, so you can treat a patient with migraine and depression with a tricyclic antidepressant.”
“It may make the migraine better and the depression better, but you don’t know if the benefit in depression comes from the improvement in migraine, because of course the antidepressant works for both conditions. Maybe there are people who would disagree with this, but my interpretation [of the trial results] is that the depression got better because the migraine got better,” he added.
The link between migraine and depression is well established, Dr. Lipton added. Longitudinal studies have shown that people with depression but without migraine develop migraine at increased rates, compared with people with no depression. Conversely, people with migraine but no depression develop depression at increased rates.
“Both disorders may have a common substrate, but I also think many forms of chronic pain lead to depression, and that’s the part we’re making better,” he said.
If fremanezumab has this dual effect on migraine and depression, it is possible that other anti-CGRP drugs will have a similar effect, Dr. Lipton said.
“Honestly, my hope is that other companies that make effective drugs will do similar studies to see if other monoclonal antibodies that target CGRP have the same effect. My guess is that all of them work but until the studies are done, I’m going to use fremanezumab, the one that has been studied, in my patients.”
He added that depression is an important comorbidity of migraine and represents a huge challenge for clinicians. “A lot of headache patients want to know what to do about comorbid anxiety or comorbid depression. I run a headache center in a specialty practice, and when people come in with migraine, they almost always come in with migraine and depression or anxiety or another pain disorder, or something else, and one of the great challenges in the practice is managing these comorbidities,” he said.
A bidirectional relationship
The overlap between migraine and depression and anxiety has been known for quite a while, agreed Elizabeth W. Loder, MD, MPH, vice chair of academic affairs, department of neurology, Brigham and Women’s Hospital, and professor of neurology at Harvard Medical School, both in Boston.
“I think the relationship is generally viewed as bidirectional and causality is uncertain. I still do not think I would assume that any drug that reduces migraine would reduce depression,” said Dr. Loder.
However, she added, the fremanezumab study data are interesting. “The effects of any drug on depression could be due to improvement of migraine or it could be due to some other effect of the treatment on depression. That is what makes these results so intriguing. If the findings are borne out by other studies, it could mean that these treatments would be preferred to those older ones in patients with depression,” Dr. Loder said.
Also commenting on the findings, Huma Sheikh, MD, CEO of NY Neurology Medicine PC, said the study is important because it confirms the strong association between migraine and depression. “Both conditions have similar underlying neurobiological pathophysiologies, and if you are impacting one area in the brain with the CGRP inhibitors, you might also be targeting some of the receptors or pathways that are involved in depression,” Dr. Sheikh said.
The study was funded by Teva Pharmaceuticals. Dr. Lipton reported financial relationships with Teva and multiple other pharmaceutical companies. Dr. Loder and Dr. Sheikh have disclosed no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
AT AHS 2023
Can a puff of cool air up the nose stop acute migraine?
AUSTIN, TEX. – , according to the results of a small study. Most patients reported relief of their symptoms after receiving 15 minutes of transnasal evaporative cooling, without any need for rescue medication.
The cooling may modulate the sphenopalatine ganglion, a large ganglion implicated in migraine, said lead author Larry Charleston IV, MD, director of the headache and facial pain division, and professor of neurology at Michigan State University, East Lansing.
“The transnasal evaporative cooling device cools by blowing dry, ambient air across the nasal turbinates and may work by neuromodulation via the sphenopalatine ganglion for migraine,” Dr. Charleston said.
The findings were presented at the annual meeting of the American Headache Society.
A ‘cool’ approach to migraine treatment
“Everyone who has migraine disease needs abortive treatment,” Dr. Charleston said. “There is a need for safe and effective acute treatment for migraine. As we understand more about the pathophysiology of migraine, we learn that peripheral input plays a role in migraine disease.
“I was excited to learn of the device and to learn how we might take advantage of our knowledge of the sphenopalatine ganglia in the treatment of migraine, and was very enthusiastic to be involved in researching a nonpharmacological treatment to abort migraine attacks,” he said. “I thought this approach to migraine treatment was really ‘cool.’ ”
Twenty-four patients who met diagnostic criteria for episodic migraine with or without aura were randomized to receive 15 minutes of cooling induced by the CoolStat Transnasal Thermal Regulating Device (CoolTech LLC), or to a sham treatment with a CoolStat sham device.
Participants receiving active treatment were further randomized to receive one of the following flow rates: 24 liters per minute (LPM; n = 6 patients), 18 LPM (n = 9 patients), and 6 LPM (n = 9 patients).
All patients were instructed to get to their headache clinic during a migraine attack to start treatment.
The researchers looked at pain levels and most bothersome symptoms at baseline, and then at 2 and 24 hours after treatment. The primary endpoint was pain relief at 2 hours. Other endpoints included tolerability, relief from most bothersome symptoms, and freedom from pain at 2 hours.
The results showed that 88% (8/9 patients) of the 6-LPM group reported pain relief at 2 hours. Of these, 44% (4/9) reported being pain free at 2 hours, all without need for rescue medication. Similarly, pain relief at 2 hours occurred in 44% (4/9) of patients in the 18-LPM group, and in 50% (3/6) of the patients in the 24-LPM group.
No participants in the 18-LPM or the 24-LPM groups reported pain freedom at 2 hours.
Most bothersome symptoms were reduced. Response was greater with 6-LPM treatment. At 2 hours, 77% (7/9) of patients in the 6-LPM group reported relief of their symptoms, followed by 66% (6/9) of the 18-LPM group and 50% (3/6) of the 24-LPM group.
However, nasal discomfort was a bothersome adverse effect, Dr. Charleston noted. The rate of nasal discomfort occurred in all groups but was lower in the 6-LPM group.
Moderate intranasal discomfort during treatment was reported by 11% of the 6-LPM group, compared with 33% (3/9) in the 18-LPM group and 83% (5/6) in the 24-LPM group.
However, the study was terminated due to insufficient subject accrual rate.
“Originally, 87 participants were recruited and consented. It may have been challenging for some to come in to study clinic sites for the study treatment at the onset of their migraine attacks. The next iteration of the treatment device is a more portable model and study treatment may be used at home. This will likely be more convenient and enhance study participation,” Dr. Charleston said.
The data in the current study will help inform dose ranging analyses in future studies, to optimize efficacy and increase tolerability, he added.
The findings are promising and merit further assessment in a larger study with a sham control group, said Richard B. Lipton, MD, Edwin S. Lowe Professor and vice chair of neurology, and director of the Montefiore Headache Center, Albert Einstein College of Medicine, New York.
“Charleston et al. report that the lowest flow dose (6 liters per minute) was most effective, with a 2-hour pain-relief rate of 88% and a 2-hour pain-free rate of 50%, but, though these rates of pain relief and pain freedom are high, caution in interpretation is required,” Dr. Lipton said.
“The sample size is very modest with only nine patients in the 6-liter-per-minute treatment arm. In addition, the study lacks results from the group that got the sham device, making it difficult to contextualize the findings,” Dr. Lipton said.
He added that it is unusual for higher doses to be less effective but that may be because air flow higher than 6 LPM is irritating to the nasal mucosa during migraine attacks.
Always a need for effective nonpharmaceuticals
Also commenting on this study, Nina Riggins, MD, director of the Headache Center at the University of California, San Diego, said she found the novel device “exciting and really clever.
“I really enjoyed reviewing this abstract because I am a big fan of sphenopalatine ganglion block in the palatine ganglion. When we do those, we basically apply numbing medication to decrease the sensation and discharges coming from this group of neural cells in order to decrease pain,” Dr. Riggins said. “The procedure is very well tolerated and usually sphenopalatine ganglion blocks are used in patients when we do not want any side effects, such as in pregnant and postpartum women.”
The novel technique has the potential to have fewer side effects than those of oral medications, she said. “For example, the triptans are effective drugs but they constrict the blood vessels and we don’t want to use them in people with heart disease or history of stroke. This is where these potentially safer devices can play an important role. We can have more options to offer our patients,” Dr. Riggins said.
“I am super excited and looking forward to see what will come out of future research. I am really grateful that the authors are looking into new neuromodulation devices which can be so useful,” she said.
Migraine is the second leading cause of disability worldwide, Dr. Riggins noted. “It peaks in the years when people are most productive and affects families and communities. Medications are good, of course, but now with these novel devices, these are wonderful areas for research. Also now, we can offer so much more to people with migraine and other headache disorders,” she said.
“When I started in the field, I remember we were very limited in resources, and now, it’s just so wonderful.”
The study was sponsored by CoolTech Corp LLC. Dr. Charleston reports financial relationships with Allergan/AbbVie, Amgen, Amneal, Biohaven, Haleon, Linpharma, Satsuma, and Teva, and that he has received CME honoraria from the American Headache Society and the American Academy of Neurology. Dr. Lipton reports financial relationships with multiple pharmaceutical companies. Dr. Riggins reports no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
AUSTIN, TEX. – , according to the results of a small study. Most patients reported relief of their symptoms after receiving 15 minutes of transnasal evaporative cooling, without any need for rescue medication.
The cooling may modulate the sphenopalatine ganglion, a large ganglion implicated in migraine, said lead author Larry Charleston IV, MD, director of the headache and facial pain division, and professor of neurology at Michigan State University, East Lansing.
“The transnasal evaporative cooling device cools by blowing dry, ambient air across the nasal turbinates and may work by neuromodulation via the sphenopalatine ganglion for migraine,” Dr. Charleston said.
The findings were presented at the annual meeting of the American Headache Society.
A ‘cool’ approach to migraine treatment
“Everyone who has migraine disease needs abortive treatment,” Dr. Charleston said. “There is a need for safe and effective acute treatment for migraine. As we understand more about the pathophysiology of migraine, we learn that peripheral input plays a role in migraine disease.
“I was excited to learn of the device and to learn how we might take advantage of our knowledge of the sphenopalatine ganglia in the treatment of migraine, and was very enthusiastic to be involved in researching a nonpharmacological treatment to abort migraine attacks,” he said. “I thought this approach to migraine treatment was really ‘cool.’ ”
Twenty-four patients who met diagnostic criteria for episodic migraine with or without aura were randomized to receive 15 minutes of cooling induced by the CoolStat Transnasal Thermal Regulating Device (CoolTech LLC), or to a sham treatment with a CoolStat sham device.
Participants receiving active treatment were further randomized to receive one of the following flow rates: 24 liters per minute (LPM; n = 6 patients), 18 LPM (n = 9 patients), and 6 LPM (n = 9 patients).
All patients were instructed to get to their headache clinic during a migraine attack to start treatment.
The researchers looked at pain levels and most bothersome symptoms at baseline, and then at 2 and 24 hours after treatment. The primary endpoint was pain relief at 2 hours. Other endpoints included tolerability, relief from most bothersome symptoms, and freedom from pain at 2 hours.
The results showed that 88% (8/9 patients) of the 6-LPM group reported pain relief at 2 hours. Of these, 44% (4/9) reported being pain free at 2 hours, all without need for rescue medication. Similarly, pain relief at 2 hours occurred in 44% (4/9) of patients in the 18-LPM group, and in 50% (3/6) of the patients in the 24-LPM group.
No participants in the 18-LPM or the 24-LPM groups reported pain freedom at 2 hours.
Most bothersome symptoms were reduced. Response was greater with 6-LPM treatment. At 2 hours, 77% (7/9) of patients in the 6-LPM group reported relief of their symptoms, followed by 66% (6/9) of the 18-LPM group and 50% (3/6) of the 24-LPM group.
However, nasal discomfort was a bothersome adverse effect, Dr. Charleston noted. The rate of nasal discomfort occurred in all groups but was lower in the 6-LPM group.
Moderate intranasal discomfort during treatment was reported by 11% of the 6-LPM group, compared with 33% (3/9) in the 18-LPM group and 83% (5/6) in the 24-LPM group.
However, the study was terminated due to insufficient subject accrual rate.
“Originally, 87 participants were recruited and consented. It may have been challenging for some to come in to study clinic sites for the study treatment at the onset of their migraine attacks. The next iteration of the treatment device is a more portable model and study treatment may be used at home. This will likely be more convenient and enhance study participation,” Dr. Charleston said.
The data in the current study will help inform dose ranging analyses in future studies, to optimize efficacy and increase tolerability, he added.
The findings are promising and merit further assessment in a larger study with a sham control group, said Richard B. Lipton, MD, Edwin S. Lowe Professor and vice chair of neurology, and director of the Montefiore Headache Center, Albert Einstein College of Medicine, New York.
“Charleston et al. report that the lowest flow dose (6 liters per minute) was most effective, with a 2-hour pain-relief rate of 88% and a 2-hour pain-free rate of 50%, but, though these rates of pain relief and pain freedom are high, caution in interpretation is required,” Dr. Lipton said.
“The sample size is very modest with only nine patients in the 6-liter-per-minute treatment arm. In addition, the study lacks results from the group that got the sham device, making it difficult to contextualize the findings,” Dr. Lipton said.
He added that it is unusual for higher doses to be less effective but that may be because air flow higher than 6 LPM is irritating to the nasal mucosa during migraine attacks.
Always a need for effective nonpharmaceuticals
Also commenting on this study, Nina Riggins, MD, director of the Headache Center at the University of California, San Diego, said she found the novel device “exciting and really clever.
“I really enjoyed reviewing this abstract because I am a big fan of sphenopalatine ganglion block in the palatine ganglion. When we do those, we basically apply numbing medication to decrease the sensation and discharges coming from this group of neural cells in order to decrease pain,” Dr. Riggins said. “The procedure is very well tolerated and usually sphenopalatine ganglion blocks are used in patients when we do not want any side effects, such as in pregnant and postpartum women.”
The novel technique has the potential to have fewer side effects than those of oral medications, she said. “For example, the triptans are effective drugs but they constrict the blood vessels and we don’t want to use them in people with heart disease or history of stroke. This is where these potentially safer devices can play an important role. We can have more options to offer our patients,” Dr. Riggins said.
“I am super excited and looking forward to see what will come out of future research. I am really grateful that the authors are looking into new neuromodulation devices which can be so useful,” she said.
Migraine is the second leading cause of disability worldwide, Dr. Riggins noted. “It peaks in the years when people are most productive and affects families and communities. Medications are good, of course, but now with these novel devices, these are wonderful areas for research. Also now, we can offer so much more to people with migraine and other headache disorders,” she said.
“When I started in the field, I remember we were very limited in resources, and now, it’s just so wonderful.”
The study was sponsored by CoolTech Corp LLC. Dr. Charleston reports financial relationships with Allergan/AbbVie, Amgen, Amneal, Biohaven, Haleon, Linpharma, Satsuma, and Teva, and that he has received CME honoraria from the American Headache Society and the American Academy of Neurology. Dr. Lipton reports financial relationships with multiple pharmaceutical companies. Dr. Riggins reports no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
AUSTIN, TEX. – , according to the results of a small study. Most patients reported relief of their symptoms after receiving 15 minutes of transnasal evaporative cooling, without any need for rescue medication.
The cooling may modulate the sphenopalatine ganglion, a large ganglion implicated in migraine, said lead author Larry Charleston IV, MD, director of the headache and facial pain division, and professor of neurology at Michigan State University, East Lansing.
“The transnasal evaporative cooling device cools by blowing dry, ambient air across the nasal turbinates and may work by neuromodulation via the sphenopalatine ganglion for migraine,” Dr. Charleston said.
The findings were presented at the annual meeting of the American Headache Society.
A ‘cool’ approach to migraine treatment
“Everyone who has migraine disease needs abortive treatment,” Dr. Charleston said. “There is a need for safe and effective acute treatment for migraine. As we understand more about the pathophysiology of migraine, we learn that peripheral input plays a role in migraine disease.
“I was excited to learn of the device and to learn how we might take advantage of our knowledge of the sphenopalatine ganglia in the treatment of migraine, and was very enthusiastic to be involved in researching a nonpharmacological treatment to abort migraine attacks,” he said. “I thought this approach to migraine treatment was really ‘cool.’ ”
Twenty-four patients who met diagnostic criteria for episodic migraine with or without aura were randomized to receive 15 minutes of cooling induced by the CoolStat Transnasal Thermal Regulating Device (CoolTech LLC), or to a sham treatment with a CoolStat sham device.
Participants receiving active treatment were further randomized to receive one of the following flow rates: 24 liters per minute (LPM; n = 6 patients), 18 LPM (n = 9 patients), and 6 LPM (n = 9 patients).
All patients were instructed to get to their headache clinic during a migraine attack to start treatment.
The researchers looked at pain levels and most bothersome symptoms at baseline, and then at 2 and 24 hours after treatment. The primary endpoint was pain relief at 2 hours. Other endpoints included tolerability, relief from most bothersome symptoms, and freedom from pain at 2 hours.
The results showed that 88% (8/9 patients) of the 6-LPM group reported pain relief at 2 hours. Of these, 44% (4/9) reported being pain free at 2 hours, all without need for rescue medication. Similarly, pain relief at 2 hours occurred in 44% (4/9) of patients in the 18-LPM group, and in 50% (3/6) of the patients in the 24-LPM group.
No participants in the 18-LPM or the 24-LPM groups reported pain freedom at 2 hours.
Most bothersome symptoms were reduced. Response was greater with 6-LPM treatment. At 2 hours, 77% (7/9) of patients in the 6-LPM group reported relief of their symptoms, followed by 66% (6/9) of the 18-LPM group and 50% (3/6) of the 24-LPM group.
However, nasal discomfort was a bothersome adverse effect, Dr. Charleston noted. The rate of nasal discomfort occurred in all groups but was lower in the 6-LPM group.
Moderate intranasal discomfort during treatment was reported by 11% of the 6-LPM group, compared with 33% (3/9) in the 18-LPM group and 83% (5/6) in the 24-LPM group.
However, the study was terminated due to insufficient subject accrual rate.
“Originally, 87 participants were recruited and consented. It may have been challenging for some to come in to study clinic sites for the study treatment at the onset of their migraine attacks. The next iteration of the treatment device is a more portable model and study treatment may be used at home. This will likely be more convenient and enhance study participation,” Dr. Charleston said.
The data in the current study will help inform dose ranging analyses in future studies, to optimize efficacy and increase tolerability, he added.
The findings are promising and merit further assessment in a larger study with a sham control group, said Richard B. Lipton, MD, Edwin S. Lowe Professor and vice chair of neurology, and director of the Montefiore Headache Center, Albert Einstein College of Medicine, New York.
“Charleston et al. report that the lowest flow dose (6 liters per minute) was most effective, with a 2-hour pain-relief rate of 88% and a 2-hour pain-free rate of 50%, but, though these rates of pain relief and pain freedom are high, caution in interpretation is required,” Dr. Lipton said.
“The sample size is very modest with only nine patients in the 6-liter-per-minute treatment arm. In addition, the study lacks results from the group that got the sham device, making it difficult to contextualize the findings,” Dr. Lipton said.
He added that it is unusual for higher doses to be less effective but that may be because air flow higher than 6 LPM is irritating to the nasal mucosa during migraine attacks.
Always a need for effective nonpharmaceuticals
Also commenting on this study, Nina Riggins, MD, director of the Headache Center at the University of California, San Diego, said she found the novel device “exciting and really clever.
“I really enjoyed reviewing this abstract because I am a big fan of sphenopalatine ganglion block in the palatine ganglion. When we do those, we basically apply numbing medication to decrease the sensation and discharges coming from this group of neural cells in order to decrease pain,” Dr. Riggins said. “The procedure is very well tolerated and usually sphenopalatine ganglion blocks are used in patients when we do not want any side effects, such as in pregnant and postpartum women.”
The novel technique has the potential to have fewer side effects than those of oral medications, she said. “For example, the triptans are effective drugs but they constrict the blood vessels and we don’t want to use them in people with heart disease or history of stroke. This is where these potentially safer devices can play an important role. We can have more options to offer our patients,” Dr. Riggins said.
“I am super excited and looking forward to see what will come out of future research. I am really grateful that the authors are looking into new neuromodulation devices which can be so useful,” she said.
Migraine is the second leading cause of disability worldwide, Dr. Riggins noted. “It peaks in the years when people are most productive and affects families and communities. Medications are good, of course, but now with these novel devices, these are wonderful areas for research. Also now, we can offer so much more to people with migraine and other headache disorders,” she said.
“When I started in the field, I remember we were very limited in resources, and now, it’s just so wonderful.”
The study was sponsored by CoolTech Corp LLC. Dr. Charleston reports financial relationships with Allergan/AbbVie, Amgen, Amneal, Biohaven, Haleon, Linpharma, Satsuma, and Teva, and that he has received CME honoraria from the American Headache Society and the American Academy of Neurology. Dr. Lipton reports financial relationships with multiple pharmaceutical companies. Dr. Riggins reports no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
At ASH 2023
Syncope not associated with increased risk for car crash
In a case-crossover study that examined health and driving data for about 3,000 drivers in British Columbia, researchers found similar rates of ED visits for syncope before the dates of car crashes (1.6%) and before control dates (1.2%).
“An emergency visit for syncope did not appear to increase the risk of subsequent traffic crash,” lead author John A. Staples, MD, MPH, clinical associate professor of general internal medicine at the University of British Columbia, Vancouver, said in an interview.
The findings were published online in the Canadian Journal of Cardiology.
Case-crossover study
Syncope prompts more than 1 million visits to EDs in the United States each year. About 9% of patients with syncope have recurrence within 1 year.
Some jurisdictions legally require clinicians to advise patients at higher risk for syncope recurrence to stop driving temporarily. But guidelines about when and whom to restrict are not standardized, said Dr. Staples.
“I came to this topic because I work as a physician in a hospital and, a few years ago, I advised a young woman who suffered a serious injury after she passed out while driving and crashed her car,” he added. “She wanted to know if she could drive again and when. I found out that there wasn’t much evidence that could guide my advice to her. That is what planted the seed that eventually grew into this study.”
The researchers examined driving data from the Insurance Corporation of British Columbia and detailed ED visit data from regional health authorities. They included licensed drivers who were diagnosed with syncope and collapse at an ED between 2010 and 2015 in their study. The researchers focused on eligible participants who were involved in a motor vehicle collision between August 2011 and December 2015.
For each patient, the date of the crash was used to establish three control dates without crashes. The control dates were 26 weeks, 52 weeks, and 78 weeks before the crash. The investigators compared the rate of emergency visit for syncope in the 28 days before the crash with the rate of emergency visit for syncope in the 28 days before each control date.
An emergency visit for syncope occurred in 47 of 3,026 precrash intervals and 112 of 9,078 control intervals. This result indicated that syncope was not significantly associated with subsequent crash (adjusted odds ratio, 1.27; P = .18).
In addition, there was no significant association between syncope and crash in subgroups considered to be at higher risk for adverse outcomes after syncope, such as patients older than 65 years and patients with cardiovascular disease or cardiac syncope.
Gaps in data
“It’s a complicated study design but one that’s helpful to understand the temporal relationship between syncope and crash,” said Dr. Staples. “If we had found that the syncope visit was more likely to occur in the 4 weeks before the crash than in earlier matched 4-week control periods, we would have concluded that syncope transiently increases crash risk.”
Dr. Staples emphasized that this was a real-world study and that some patients with syncope at higher risk for a car crash likely stopped driving. “This study doesn’t say there’s no relationship between syncope and subsequent crash, just that our current practices, including current driving restrictions, seem to do an acceptable job of preventing some crashes.”
Limitations of the study influence the interpretation of the results. For example, the data sources did not indicate how patients modified their driving, said Dr. Staples.
Also lacking is information about how physicians identified which patients were at heightened risk for another syncope episode and advised those patients not to drive. “Now would be a good time to start to think about what other studies are needed to better tailor driving restrictions for the right patient,” said Dr. Staples.
‘A messy situation’
In a comment, Deepak L. Bhatt, MD, MPH, professor of cardiovascular medicine at Icahn School of Medicine at Mount Sinai, New York, called the conclusions “well thought out.” He said the study addressed a common, often perplexing problem in a practical way. Dr. Bhatt was not involved in the research.
“This study is trying to address the issue of what to do with people who have had syncope or fainting and have had a car crash. In general, we don’t really know what to do with those people, but there’s a lot of concern for many reasons, for both the patient and the public. There are potential legal liabilities, and the whole thing, generally speaking, tends to be a messy situation. Usually, the default position physicians take is to be very cautious and conservative, and restrict driving,” said Dr. Bhatt.
The study is reassuring, he added. “The authors have contextualized this risk very nicely. Physicians worry a lot about patients who have had an episode of syncope while driving and restrict their patients’ driving, at least temporarily. But as a society, we are much more permissive about people who drive drunk or under the influence, or who drive without seat belts, or who speed, or text while driving. So, within that larger context, we are extremely worried about this one source of risk that is probably less than these other sources of risk.”
Most of the time, the cause of the syncope is benign, said Dr. Bhatt. “We rule out the bad things, like a heart attack or cardiac arrest, seizure, and arrhythmia. Afterwards, the risk from driving is relatively small.” The study results support current practices and suggest “that we probably don’t need to be excessive with our restrictions.
“There is going to be a wide variation in practice, with some physicians wanting to be more restrictive, but there is a lot of subjectivity in how these recommendations are acted on in real life. That’s why I think this study really should reassure physicians that it’s okay to use common sense and good medical judgment when giving advice on driving to their patients,” Dr. Bhatt concluded.
The study was supported by the Canadian Institutes of Health Research and the Heart and Stroke Foundation Canada. Dr. Staples and Dr. Bhatt reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
In a case-crossover study that examined health and driving data for about 3,000 drivers in British Columbia, researchers found similar rates of ED visits for syncope before the dates of car crashes (1.6%) and before control dates (1.2%).
“An emergency visit for syncope did not appear to increase the risk of subsequent traffic crash,” lead author John A. Staples, MD, MPH, clinical associate professor of general internal medicine at the University of British Columbia, Vancouver, said in an interview.
The findings were published online in the Canadian Journal of Cardiology.
Case-crossover study
Syncope prompts more than 1 million visits to EDs in the United States each year. About 9% of patients with syncope have recurrence within 1 year.
Some jurisdictions legally require clinicians to advise patients at higher risk for syncope recurrence to stop driving temporarily. But guidelines about when and whom to restrict are not standardized, said Dr. Staples.
“I came to this topic because I work as a physician in a hospital and, a few years ago, I advised a young woman who suffered a serious injury after she passed out while driving and crashed her car,” he added. “She wanted to know if she could drive again and when. I found out that there wasn’t much evidence that could guide my advice to her. That is what planted the seed that eventually grew into this study.”
The researchers examined driving data from the Insurance Corporation of British Columbia and detailed ED visit data from regional health authorities. They included licensed drivers who were diagnosed with syncope and collapse at an ED between 2010 and 2015 in their study. The researchers focused on eligible participants who were involved in a motor vehicle collision between August 2011 and December 2015.
For each patient, the date of the crash was used to establish three control dates without crashes. The control dates were 26 weeks, 52 weeks, and 78 weeks before the crash. The investigators compared the rate of emergency visit for syncope in the 28 days before the crash with the rate of emergency visit for syncope in the 28 days before each control date.
An emergency visit for syncope occurred in 47 of 3,026 precrash intervals and 112 of 9,078 control intervals. This result indicated that syncope was not significantly associated with subsequent crash (adjusted odds ratio, 1.27; P = .18).
In addition, there was no significant association between syncope and crash in subgroups considered to be at higher risk for adverse outcomes after syncope, such as patients older than 65 years and patients with cardiovascular disease or cardiac syncope.
Gaps in data
“It’s a complicated study design but one that’s helpful to understand the temporal relationship between syncope and crash,” said Dr. Staples. “If we had found that the syncope visit was more likely to occur in the 4 weeks before the crash than in earlier matched 4-week control periods, we would have concluded that syncope transiently increases crash risk.”
Dr. Staples emphasized that this was a real-world study and that some patients with syncope at higher risk for a car crash likely stopped driving. “This study doesn’t say there’s no relationship between syncope and subsequent crash, just that our current practices, including current driving restrictions, seem to do an acceptable job of preventing some crashes.”
Limitations of the study influence the interpretation of the results. For example, the data sources did not indicate how patients modified their driving, said Dr. Staples.
Also lacking is information about how physicians identified which patients were at heightened risk for another syncope episode and advised those patients not to drive. “Now would be a good time to start to think about what other studies are needed to better tailor driving restrictions for the right patient,” said Dr. Staples.
‘A messy situation’
In a comment, Deepak L. Bhatt, MD, MPH, professor of cardiovascular medicine at Icahn School of Medicine at Mount Sinai, New York, called the conclusions “well thought out.” He said the study addressed a common, often perplexing problem in a practical way. Dr. Bhatt was not involved in the research.
“This study is trying to address the issue of what to do with people who have had syncope or fainting and have had a car crash. In general, we don’t really know what to do with those people, but there’s a lot of concern for many reasons, for both the patient and the public. There are potential legal liabilities, and the whole thing, generally speaking, tends to be a messy situation. Usually, the default position physicians take is to be very cautious and conservative, and restrict driving,” said Dr. Bhatt.
The study is reassuring, he added. “The authors have contextualized this risk very nicely. Physicians worry a lot about patients who have had an episode of syncope while driving and restrict their patients’ driving, at least temporarily. But as a society, we are much more permissive about people who drive drunk or under the influence, or who drive without seat belts, or who speed, or text while driving. So, within that larger context, we are extremely worried about this one source of risk that is probably less than these other sources of risk.”
Most of the time, the cause of the syncope is benign, said Dr. Bhatt. “We rule out the bad things, like a heart attack or cardiac arrest, seizure, and arrhythmia. Afterwards, the risk from driving is relatively small.” The study results support current practices and suggest “that we probably don’t need to be excessive with our restrictions.
“There is going to be a wide variation in practice, with some physicians wanting to be more restrictive, but there is a lot of subjectivity in how these recommendations are acted on in real life. That’s why I think this study really should reassure physicians that it’s okay to use common sense and good medical judgment when giving advice on driving to their patients,” Dr. Bhatt concluded.
The study was supported by the Canadian Institutes of Health Research and the Heart and Stroke Foundation Canada. Dr. Staples and Dr. Bhatt reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
In a case-crossover study that examined health and driving data for about 3,000 drivers in British Columbia, researchers found similar rates of ED visits for syncope before the dates of car crashes (1.6%) and before control dates (1.2%).
“An emergency visit for syncope did not appear to increase the risk of subsequent traffic crash,” lead author John A. Staples, MD, MPH, clinical associate professor of general internal medicine at the University of British Columbia, Vancouver, said in an interview.
The findings were published online in the Canadian Journal of Cardiology.
Case-crossover study
Syncope prompts more than 1 million visits to EDs in the United States each year. About 9% of patients with syncope have recurrence within 1 year.
Some jurisdictions legally require clinicians to advise patients at higher risk for syncope recurrence to stop driving temporarily. But guidelines about when and whom to restrict are not standardized, said Dr. Staples.
“I came to this topic because I work as a physician in a hospital and, a few years ago, I advised a young woman who suffered a serious injury after she passed out while driving and crashed her car,” he added. “She wanted to know if she could drive again and when. I found out that there wasn’t much evidence that could guide my advice to her. That is what planted the seed that eventually grew into this study.”
The researchers examined driving data from the Insurance Corporation of British Columbia and detailed ED visit data from regional health authorities. They included licensed drivers who were diagnosed with syncope and collapse at an ED between 2010 and 2015 in their study. The researchers focused on eligible participants who were involved in a motor vehicle collision between August 2011 and December 2015.
For each patient, the date of the crash was used to establish three control dates without crashes. The control dates were 26 weeks, 52 weeks, and 78 weeks before the crash. The investigators compared the rate of emergency visit for syncope in the 28 days before the crash with the rate of emergency visit for syncope in the 28 days before each control date.
An emergency visit for syncope occurred in 47 of 3,026 precrash intervals and 112 of 9,078 control intervals. This result indicated that syncope was not significantly associated with subsequent crash (adjusted odds ratio, 1.27; P = .18).
In addition, there was no significant association between syncope and crash in subgroups considered to be at higher risk for adverse outcomes after syncope, such as patients older than 65 years and patients with cardiovascular disease or cardiac syncope.
Gaps in data
“It’s a complicated study design but one that’s helpful to understand the temporal relationship between syncope and crash,” said Dr. Staples. “If we had found that the syncope visit was more likely to occur in the 4 weeks before the crash than in earlier matched 4-week control periods, we would have concluded that syncope transiently increases crash risk.”
Dr. Staples emphasized that this was a real-world study and that some patients with syncope at higher risk for a car crash likely stopped driving. “This study doesn’t say there’s no relationship between syncope and subsequent crash, just that our current practices, including current driving restrictions, seem to do an acceptable job of preventing some crashes.”
Limitations of the study influence the interpretation of the results. For example, the data sources did not indicate how patients modified their driving, said Dr. Staples.
Also lacking is information about how physicians identified which patients were at heightened risk for another syncope episode and advised those patients not to drive. “Now would be a good time to start to think about what other studies are needed to better tailor driving restrictions for the right patient,” said Dr. Staples.
‘A messy situation’
In a comment, Deepak L. Bhatt, MD, MPH, professor of cardiovascular medicine at Icahn School of Medicine at Mount Sinai, New York, called the conclusions “well thought out.” He said the study addressed a common, often perplexing problem in a practical way. Dr. Bhatt was not involved in the research.
“This study is trying to address the issue of what to do with people who have had syncope or fainting and have had a car crash. In general, we don’t really know what to do with those people, but there’s a lot of concern for many reasons, for both the patient and the public. There are potential legal liabilities, and the whole thing, generally speaking, tends to be a messy situation. Usually, the default position physicians take is to be very cautious and conservative, and restrict driving,” said Dr. Bhatt.
The study is reassuring, he added. “The authors have contextualized this risk very nicely. Physicians worry a lot about patients who have had an episode of syncope while driving and restrict their patients’ driving, at least temporarily. But as a society, we are much more permissive about people who drive drunk or under the influence, or who drive without seat belts, or who speed, or text while driving. So, within that larger context, we are extremely worried about this one source of risk that is probably less than these other sources of risk.”
Most of the time, the cause of the syncope is benign, said Dr. Bhatt. “We rule out the bad things, like a heart attack or cardiac arrest, seizure, and arrhythmia. Afterwards, the risk from driving is relatively small.” The study results support current practices and suggest “that we probably don’t need to be excessive with our restrictions.
“There is going to be a wide variation in practice, with some physicians wanting to be more restrictive, but there is a lot of subjectivity in how these recommendations are acted on in real life. That’s why I think this study really should reassure physicians that it’s okay to use common sense and good medical judgment when giving advice on driving to their patients,” Dr. Bhatt concluded.
The study was supported by the Canadian Institutes of Health Research and the Heart and Stroke Foundation Canada. Dr. Staples and Dr. Bhatt reported no relevant financial relationships.
A version of this article first appeared on Medscape.com.
FROM THE CANADIAN JOURNAL OF CARDIOLOGY
Guide explains nonsurgical management of major hemorrhage
A new guide offers recommendations for the nonsurgical management of major hemorrhage, which is a challenging clinical problem.
Major hemorrhage is a significant cause of death and can occur in a myriad of clinical settings.
“In Ontario, we’ve been collecting quality metrics on major hemorrhages to try and make sure that a higher percentage of patients gets the best possible care when they are experiencing significant bleeding,” author Jeannie Callum, MD, professor and director of transfusion medicine at Kingston (Ont.) Health Sciences Centre and Queen’s University, also in Kingston, said in an interview. “There were some gaps, so this is our effort to get open, clear information out to the emergency doctors, intensive care unit doctors, the surgeons, and everyone else involved in managing major hemorrhage, to help close these gaps.”
The guide was published in the Canadian Medical Association Journal.
Fast care essential
The guide aims to provide answers, based on the latest research, to questions such as when to activate a massive hemorrhage protocol (MHP), which patients should receive tranexamic acid (TXA), which blood products should be transfused before laboratory results are available, how to monitor the effects of blood transfusion, and when fibrinogen concentrate or prothrombin complex concentrate should be given.
Not all recommendations will be followed, Dr. Callum said, especially in rural hospitals with limited resources. But the guide is adaptable, and rural hospitals can create protocols that are customized to their unique circumstances.
Care must be “perfect and fast” in the first hour of major injury, said Dr. Callum. “You need to get a proclotting drug in that first hour if you have a traumatic or postpartum bleed. You have to make sure your clotting factors never fail you throughout your resuscitation. You have to be fast with the transfusion. You have to monitor for the complications of the transfusion, electrolyte disturbances, and the patient’s temperature dropping. It’s a complicated situation that needs a multidisciplinary team.”
Bleeding affects everybody in medicine, from family doctors in smaller institutions who work in emergency departments to obstetricians and surgeons, she added.
“For people under the age of 45, trauma is the most common cause of death. When people die of trauma, they die of bleeding. So many people experience these extreme bleeds. We believe that some of them might be preventable with faster, more standardized, more aggressive care. That’s why we wrote this review,” said Dr. Callum.
Administer TXA quickly
The first recommendation is to ensure that every hospital has a massive hemorrhage protocol. Such a protocol is vital for the emergency department, operating room, and obstetric unit. “Making sure you’ve got a protocol that is updated every 3 years and adjusted to the local hospital context is essential,” said Dr. Callum.
Smaller hospitals will have to adjust their protocols according to the capabilities of their sites. “Some smaller hospitals do not have platelets in stock and get their platelets from another hospital, so you need to adjust your protocol to what you are able to do. Not every hospital can control bleeding in a trauma patient, so your protocol would be to stabilize and call a helicopter. Make sure all of this is detailed so that implementing it becomes automatic,” said Dr. Callum.
An MHP should be activated for patients with uncontrolled hemorrhage who meet the clinical criteria of the local hospital and are expected to need blood product support and red blood cells.
“Lots of people bleed, but not everybody is bleeding enough that they need a code transfusion,” said Dr. Callum. Most patients with gastrointestinal bleeds caused by NSAID use can be managed with uncrossed matched blood from the local blood bank. “But in patients who need the full code transfusion because they are going to need plasma, clotting factor replacement, and many other drugs, that is when the MHP should be activated. Don’t activate it when you don’t need it, because doing so activates the whole hospital and diverts care away from other patients.”
TXA should be administered as soon as possible after onset of hemorrhage in most patients, with the exception of gastrointestinal hemorrhage, where a benefit has not been shown.
TXA has been a major advance in treating massive bleeding, Dr. Callum said. “TXA was invented by a Japanese husband-and-wife research team. We know that it reduces the death rate in trauma and in postpartum hemorrhage, and it reduces the chance of major bleeding with major surgical procedures. We give it routinely in surgical procedures. If a patient gets TXA within 60 minutes of injury, it dramatically reduces the death rate. And it costs $10 per patient. It’s cheap, it’s easy, it has no side effects. It’s just amazing.”
Future research must address several unanswered questions, said Dr. Callum. These questions include whether prehospital transfusion improves patient outcomes, whether whole blood has a role in the early management of major hemorrhage, and what role factor concentrates play in patients with major bleeding.
‘Optimal recommendations’
Commenting on the document, Bourke Tillmann, MD, PhD, trauma team leader at Sunnybrook Health Sciences Centre and the Ross Tilley Burn Center in Toronto, said: “Overall, I think it is a good overview of MHPs as an approach to major hemorrhage.”
The review also is timely, since Ontario released its MHP guidelines in 2021, he added. “I would have liked to see more about the treatment aspects than just an overview of an MHP. But if you are the person overseeing the emergency department or running the blood bank, these protocols are incredibly useful and incredibly important.”
“This report is a nice and thoughtful overview of best practices in many areas, especially trauma, and makes recommendations that are optimal, although they are not necessarily practical in all centers,” Eric L. Legome, MD, professor and chair of emergency medicine at Mount Sinai West and Mount Sinai Morningside, New York, said in an interview.
“If you’re in a small rural hospital with one lab technician, trying to do all of these things, it will not be possible. These are optimal recommendations that people can use to the best of their ability, but they are not standard of care, because some places will not be able to provide this level of care,” he added. “This paper provides practical, reasonable advice that should be looked at as you are trying to implement transfusion policies and processes, with the understanding that it is not necessarily applicable or practical for very small hospitals in very rural centers that might not have access to these types of products and tools, but it’s a reasonable and nicely written paper.”
No outside funding for the guideline was reported. Dr. Callum has received research funding from Canadian Blood Services and Octapharma. She sits on the nominating committee with the Association for the Advancement of Blood & Biotherapies and on the data safety monitoring boards for the Tranexamic Acid for Subdural Hematoma trial and the Fibrinogen Replacement in Trauma trial. Dr. Tillmann and Dr. Legome reported no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
A new guide offers recommendations for the nonsurgical management of major hemorrhage, which is a challenging clinical problem.
Major hemorrhage is a significant cause of death and can occur in a myriad of clinical settings.
“In Ontario, we’ve been collecting quality metrics on major hemorrhages to try and make sure that a higher percentage of patients gets the best possible care when they are experiencing significant bleeding,” author Jeannie Callum, MD, professor and director of transfusion medicine at Kingston (Ont.) Health Sciences Centre and Queen’s University, also in Kingston, said in an interview. “There were some gaps, so this is our effort to get open, clear information out to the emergency doctors, intensive care unit doctors, the surgeons, and everyone else involved in managing major hemorrhage, to help close these gaps.”
The guide was published in the Canadian Medical Association Journal.
Fast care essential
The guide aims to provide answers, based on the latest research, to questions such as when to activate a massive hemorrhage protocol (MHP), which patients should receive tranexamic acid (TXA), which blood products should be transfused before laboratory results are available, how to monitor the effects of blood transfusion, and when fibrinogen concentrate or prothrombin complex concentrate should be given.
Not all recommendations will be followed, Dr. Callum said, especially in rural hospitals with limited resources. But the guide is adaptable, and rural hospitals can create protocols that are customized to their unique circumstances.
Care must be “perfect and fast” in the first hour of major injury, said Dr. Callum. “You need to get a proclotting drug in that first hour if you have a traumatic or postpartum bleed. You have to make sure your clotting factors never fail you throughout your resuscitation. You have to be fast with the transfusion. You have to monitor for the complications of the transfusion, electrolyte disturbances, and the patient’s temperature dropping. It’s a complicated situation that needs a multidisciplinary team.”
Bleeding affects everybody in medicine, from family doctors in smaller institutions who work in emergency departments to obstetricians and surgeons, she added.
“For people under the age of 45, trauma is the most common cause of death. When people die of trauma, they die of bleeding. So many people experience these extreme bleeds. We believe that some of them might be preventable with faster, more standardized, more aggressive care. That’s why we wrote this review,” said Dr. Callum.
Administer TXA quickly
The first recommendation is to ensure that every hospital has a massive hemorrhage protocol. Such a protocol is vital for the emergency department, operating room, and obstetric unit. “Making sure you’ve got a protocol that is updated every 3 years and adjusted to the local hospital context is essential,” said Dr. Callum.
Smaller hospitals will have to adjust their protocols according to the capabilities of their sites. “Some smaller hospitals do not have platelets in stock and get their platelets from another hospital, so you need to adjust your protocol to what you are able to do. Not every hospital can control bleeding in a trauma patient, so your protocol would be to stabilize and call a helicopter. Make sure all of this is detailed so that implementing it becomes automatic,” said Dr. Callum.
An MHP should be activated for patients with uncontrolled hemorrhage who meet the clinical criteria of the local hospital and are expected to need blood product support and red blood cells.
“Lots of people bleed, but not everybody is bleeding enough that they need a code transfusion,” said Dr. Callum. Most patients with gastrointestinal bleeds caused by NSAID use can be managed with uncrossed matched blood from the local blood bank. “But in patients who need the full code transfusion because they are going to need plasma, clotting factor replacement, and many other drugs, that is when the MHP should be activated. Don’t activate it when you don’t need it, because doing so activates the whole hospital and diverts care away from other patients.”
TXA should be administered as soon as possible after onset of hemorrhage in most patients, with the exception of gastrointestinal hemorrhage, where a benefit has not been shown.
TXA has been a major advance in treating massive bleeding, Dr. Callum said. “TXA was invented by a Japanese husband-and-wife research team. We know that it reduces the death rate in trauma and in postpartum hemorrhage, and it reduces the chance of major bleeding with major surgical procedures. We give it routinely in surgical procedures. If a patient gets TXA within 60 minutes of injury, it dramatically reduces the death rate. And it costs $10 per patient. It’s cheap, it’s easy, it has no side effects. It’s just amazing.”
Future research must address several unanswered questions, said Dr. Callum. These questions include whether prehospital transfusion improves patient outcomes, whether whole blood has a role in the early management of major hemorrhage, and what role factor concentrates play in patients with major bleeding.
‘Optimal recommendations’
Commenting on the document, Bourke Tillmann, MD, PhD, trauma team leader at Sunnybrook Health Sciences Centre and the Ross Tilley Burn Center in Toronto, said: “Overall, I think it is a good overview of MHPs as an approach to major hemorrhage.”
The review also is timely, since Ontario released its MHP guidelines in 2021, he added. “I would have liked to see more about the treatment aspects than just an overview of an MHP. But if you are the person overseeing the emergency department or running the blood bank, these protocols are incredibly useful and incredibly important.”
“This report is a nice and thoughtful overview of best practices in many areas, especially trauma, and makes recommendations that are optimal, although they are not necessarily practical in all centers,” Eric L. Legome, MD, professor and chair of emergency medicine at Mount Sinai West and Mount Sinai Morningside, New York, said in an interview.
“If you’re in a small rural hospital with one lab technician, trying to do all of these things, it will not be possible. These are optimal recommendations that people can use to the best of their ability, but they are not standard of care, because some places will not be able to provide this level of care,” he added. “This paper provides practical, reasonable advice that should be looked at as you are trying to implement transfusion policies and processes, with the understanding that it is not necessarily applicable or practical for very small hospitals in very rural centers that might not have access to these types of products and tools, but it’s a reasonable and nicely written paper.”
No outside funding for the guideline was reported. Dr. Callum has received research funding from Canadian Blood Services and Octapharma. She sits on the nominating committee with the Association for the Advancement of Blood & Biotherapies and on the data safety monitoring boards for the Tranexamic Acid for Subdural Hematoma trial and the Fibrinogen Replacement in Trauma trial. Dr. Tillmann and Dr. Legome reported no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
A new guide offers recommendations for the nonsurgical management of major hemorrhage, which is a challenging clinical problem.
Major hemorrhage is a significant cause of death and can occur in a myriad of clinical settings.
“In Ontario, we’ve been collecting quality metrics on major hemorrhages to try and make sure that a higher percentage of patients gets the best possible care when they are experiencing significant bleeding,” author Jeannie Callum, MD, professor and director of transfusion medicine at Kingston (Ont.) Health Sciences Centre and Queen’s University, also in Kingston, said in an interview. “There were some gaps, so this is our effort to get open, clear information out to the emergency doctors, intensive care unit doctors, the surgeons, and everyone else involved in managing major hemorrhage, to help close these gaps.”
The guide was published in the Canadian Medical Association Journal.
Fast care essential
The guide aims to provide answers, based on the latest research, to questions such as when to activate a massive hemorrhage protocol (MHP), which patients should receive tranexamic acid (TXA), which blood products should be transfused before laboratory results are available, how to monitor the effects of blood transfusion, and when fibrinogen concentrate or prothrombin complex concentrate should be given.
Not all recommendations will be followed, Dr. Callum said, especially in rural hospitals with limited resources. But the guide is adaptable, and rural hospitals can create protocols that are customized to their unique circumstances.
Care must be “perfect and fast” in the first hour of major injury, said Dr. Callum. “You need to get a proclotting drug in that first hour if you have a traumatic or postpartum bleed. You have to make sure your clotting factors never fail you throughout your resuscitation. You have to be fast with the transfusion. You have to monitor for the complications of the transfusion, electrolyte disturbances, and the patient’s temperature dropping. It’s a complicated situation that needs a multidisciplinary team.”
Bleeding affects everybody in medicine, from family doctors in smaller institutions who work in emergency departments to obstetricians and surgeons, she added.
“For people under the age of 45, trauma is the most common cause of death. When people die of trauma, they die of bleeding. So many people experience these extreme bleeds. We believe that some of them might be preventable with faster, more standardized, more aggressive care. That’s why we wrote this review,” said Dr. Callum.
Administer TXA quickly
The first recommendation is to ensure that every hospital has a massive hemorrhage protocol. Such a protocol is vital for the emergency department, operating room, and obstetric unit. “Making sure you’ve got a protocol that is updated every 3 years and adjusted to the local hospital context is essential,” said Dr. Callum.
Smaller hospitals will have to adjust their protocols according to the capabilities of their sites. “Some smaller hospitals do not have platelets in stock and get their platelets from another hospital, so you need to adjust your protocol to what you are able to do. Not every hospital can control bleeding in a trauma patient, so your protocol would be to stabilize and call a helicopter. Make sure all of this is detailed so that implementing it becomes automatic,” said Dr. Callum.
An MHP should be activated for patients with uncontrolled hemorrhage who meet the clinical criteria of the local hospital and are expected to need blood product support and red blood cells.
“Lots of people bleed, but not everybody is bleeding enough that they need a code transfusion,” said Dr. Callum. Most patients with gastrointestinal bleeds caused by NSAID use can be managed with uncrossed matched blood from the local blood bank. “But in patients who need the full code transfusion because they are going to need plasma, clotting factor replacement, and many other drugs, that is when the MHP should be activated. Don’t activate it when you don’t need it, because doing so activates the whole hospital and diverts care away from other patients.”
TXA should be administered as soon as possible after onset of hemorrhage in most patients, with the exception of gastrointestinal hemorrhage, where a benefit has not been shown.
TXA has been a major advance in treating massive bleeding, Dr. Callum said. “TXA was invented by a Japanese husband-and-wife research team. We know that it reduces the death rate in trauma and in postpartum hemorrhage, and it reduces the chance of major bleeding with major surgical procedures. We give it routinely in surgical procedures. If a patient gets TXA within 60 minutes of injury, it dramatically reduces the death rate. And it costs $10 per patient. It’s cheap, it’s easy, it has no side effects. It’s just amazing.”
Future research must address several unanswered questions, said Dr. Callum. These questions include whether prehospital transfusion improves patient outcomes, whether whole blood has a role in the early management of major hemorrhage, and what role factor concentrates play in patients with major bleeding.
‘Optimal recommendations’
Commenting on the document, Bourke Tillmann, MD, PhD, trauma team leader at Sunnybrook Health Sciences Centre and the Ross Tilley Burn Center in Toronto, said: “Overall, I think it is a good overview of MHPs as an approach to major hemorrhage.”
The review also is timely, since Ontario released its MHP guidelines in 2021, he added. “I would have liked to see more about the treatment aspects than just an overview of an MHP. But if you are the person overseeing the emergency department or running the blood bank, these protocols are incredibly useful and incredibly important.”
“This report is a nice and thoughtful overview of best practices in many areas, especially trauma, and makes recommendations that are optimal, although they are not necessarily practical in all centers,” Eric L. Legome, MD, professor and chair of emergency medicine at Mount Sinai West and Mount Sinai Morningside, New York, said in an interview.
“If you’re in a small rural hospital with one lab technician, trying to do all of these things, it will not be possible. These are optimal recommendations that people can use to the best of their ability, but they are not standard of care, because some places will not be able to provide this level of care,” he added. “This paper provides practical, reasonable advice that should be looked at as you are trying to implement transfusion policies and processes, with the understanding that it is not necessarily applicable or practical for very small hospitals in very rural centers that might not have access to these types of products and tools, but it’s a reasonable and nicely written paper.”
No outside funding for the guideline was reported. Dr. Callum has received research funding from Canadian Blood Services and Octapharma. She sits on the nominating committee with the Association for the Advancement of Blood & Biotherapies and on the data safety monitoring boards for the Tranexamic Acid for Subdural Hematoma trial and the Fibrinogen Replacement in Trauma trial. Dr. Tillmann and Dr. Legome reported no relevant financial relationships.
A version of this article originally appeared on Medscape.com.
FROM THE CANADIAN MEDICAL ASSOCIATION JOURNAL
High salt intake linked to atherosclerosis even with normal BP
A high salt intake is an important risk factor for atherosclerosis, even in the absence of hypertension, a large study from Sweden concludes.
The study, including more than 10,000 individuals between the ages of 50 and 64 years from the Swedish Cardiopulmonary bioImage Study, showed a significant link between dietary salt intake and the risk for atherosclerotic lesions in the coronary and carotid arteries, even in participants with normal blood pressure and without known cardiovascular disease.
The finding suggests that salt could be a damaging factor in its own right before the development of hypertension, the authors write. The results were published online in European Heart Journal Open.
It has been known for a long time that salt is linked to hypertension, but the role that salt plays in atherosclerosis has not been examined, first author Jonas Wuopio, MD, Karolinska Institutet, Huddinge, and Clinical Research Center, Falun, Uppsala University, both in Sweden, told this news organization.
“Hardly anyone looks at changes in the arteries’ calcification, the atherosclerotic plaques and the association with salt intake,” Dr. Wuopio said. “We had this exclusive data from our cohort, so we wanted to use it to close this knowledge gap.”
The analysis included 10,788 adults aged 50-64 years, (average age, 58 years; 52% women) who underwent a coronary computed tomography angiography (CCTA) scan. The estimated 24-hour sodium excretion was used to measure sodium intake.
CCTA was used to obtain 3-D images of the coronary arteries to measure the degree of coronary artery calcium as well as detect stenosis in the coronary arteries. Participants also had an ultrasound of the carotid arteries.
After adjusting for age, sex, and study site (the study was done at Uppsala and Malmö, Sweden), the researchers found that rising salt consumption was linked with increasing atherosclerosis in a linear fashion in both the coronary and carotid arteries.
Each 1,000 mg rise in sodium excretion was associated with a 9% increased occurrence of carotid plaque (odds ratio, 1.09; P < .001; confidence interval, 1.06-1.12), a higher coronary artery calcium score (OR, 1.16; P < .001; CI, 1.12-1.19), and a 17% increased occurrence of coronary artery stenosis (OR, 1.17; P < .001; CI, 1.13-1.20).
The association was abolished, though, after adjusting for blood pressure, they note. Their “interpretation is that the increase in blood pressure from sodium intake, even below the level that currently defines arterial hypertension, is an important factor that mediates the interplay between salt intake and the atherosclerotic process,” they write. “As we observed an association in individuals with normal blood pressure, one possible explanation for these findings is that the detrimental pathological processes begin already prior to the development of hypertension,” they note, although they caution that no causal relationships can be gleaned from this cross-sectional study.
They also reported no sign of a “J-curve”; participants with the lowest levels of sodium excretion had the lowest occurrence of both coronary and carotid atherosclerosis, which contradicts findings in some studies that found very low sodium linked to increased cardiovascular disease–related events.
“There have been some controversies among researchers regarding very low intake, where some say very low salt intake can increase the risk of cardiovascular disease, but we could not find this in this study,” Dr. Wuopio said.
“Our study is confirming that excess salt is not a good thing, but the fact that it is linked to atherosclerosis, even in the absence of hypertension, was a bit of a surprise,” he said.
“I will be telling my patients to follow the advice given by the World Health Organization and other medical societies, to limit your intake of salt to approximately 1 teaspoon, even if your blood pressure is normal.”
Time to scrutinize salt’s role in atherosclerosis
In an accompanying editorial, Maciej Banach, MD, Medical University of Lodz, and Stanislaw Surma, MD, Faculty of Medical Sciences in Katowice, both in Poland, write that excessive dietary salt intake is a well-documented cardiovascular risk factor, and that the association is explained in most studies by increased blood pressure.
“We should look more extensively on the role of dietary salt, as it affects many pathological mechanisms, by which, especially with the coexistence of other risk factors, atherosclerosis may progress very fast,” they write.
“The results of the study shed new light on the direct relationship between excessive dietary salt intake and the risk of ASCVD [atherosclerotic cardiovascular disease], indicating that salt intake might be a risk factor for atherosclerosis even prior to the development of hypertension,” they conclude.
Confirmatory and novel
“Nobody questions the fact that high blood pressure is a powerful risk factor for atherosclerotic disease, but not all studies have suggested that, at least at significantly higher levels of sodium intake, that high salt intake tracks with risk for atherosclerotic disease,” Alon Gitig, MD, assistant professor and director of cardiology, Mount Sinai Doctors-Westchester, Yonkers, New York, told this news organization.
Most of the studies of salt intake in the diet are based on patient self-reports via food frequency questionnaires, which can give a general idea of salt intake, but are often not totally accurate, Dr. Gitig said.
“Here, they measured sodium in the urine and estimated the 24-hour salt intake from that, which is slightly novel,” he said.
Everybody knows that high blood pressure is associated with future cardiovascular disease risk, but what many don’t realize is that that risk starts to increase slightly but significantly above a blood pressure that is already in the range of 115 mm Hg/75 mm Hg, he said.
“The lower you can get your blood pressure down, to around 115-120, the lower your risk for cardiovascular disease,” Dr. Gitig said.
It is possible for most people to lower blood pressure through attention to diet, restricting sodium, performing cardio and weight training exercises, and maintaining a healthy weight, he said.
An example of a cardiovascular health diet is the Dietary Approaches to Stop Hypertension (DASH) diet.
“The DASH diet, consisting of 9 servings of fruits and vegetables a day with few refined carbs, flour and sugar, has been shown in a randomized trial to dramatically reduce blood pressure. There are two reasons for that. One is that the fruits and vegetables have many phytonutrients that are good for arteries. The other is that a large proportion of U.S. adults have insulin resistance, which leads to high blood pressure.
“The more fruits and vegetables and healthy animal products, and less sugar and flour, the more you are going to improve your insulin resistance, so you can bring your blood pressure down that way,” Dr. Gitig said.
The study was funded by the Swedish Heart-Lung Foundation, the Knut and Alice Wallenberg Foundation, the Swedish Research Council and Vinnova (Sweden’s Innovation agency), the University of Gothenburg and Sahlgrenska University Hospital, the Karolinska Institutet and Stockholm County Council, the Linköping University and University Hospital, the Lund University and Skane University Hospital, the Umea University and University Hospital, and the Uppsala University and University Hospital. Dr. Wuopio and Dr. Gitig report no relevant financial relationships. Dr. Banach reports financial relationships with Adamed, Amgen, Daichii Sankyo, Esperion, KrKa, NewAmsterdam, Polpharma, Novartis, Pfizer, Sanofi, Teva, Viatris, and CMDO at Longevity Group (LU). Dr. Surma reports a financial relationship with Sanofi and Novartis.
A version of this article first appeared on Medscape.com.
A high salt intake is an important risk factor for atherosclerosis, even in the absence of hypertension, a large study from Sweden concludes.
The study, including more than 10,000 individuals between the ages of 50 and 64 years from the Swedish Cardiopulmonary bioImage Study, showed a significant link between dietary salt intake and the risk for atherosclerotic lesions in the coronary and carotid arteries, even in participants with normal blood pressure and without known cardiovascular disease.
The finding suggests that salt could be a damaging factor in its own right before the development of hypertension, the authors write. The results were published online in European Heart Journal Open.
It has been known for a long time that salt is linked to hypertension, but the role that salt plays in atherosclerosis has not been examined, first author Jonas Wuopio, MD, Karolinska Institutet, Huddinge, and Clinical Research Center, Falun, Uppsala University, both in Sweden, told this news organization.
“Hardly anyone looks at changes in the arteries’ calcification, the atherosclerotic plaques and the association with salt intake,” Dr. Wuopio said. “We had this exclusive data from our cohort, so we wanted to use it to close this knowledge gap.”
The analysis included 10,788 adults aged 50-64 years, (average age, 58 years; 52% women) who underwent a coronary computed tomography angiography (CCTA) scan. The estimated 24-hour sodium excretion was used to measure sodium intake.
CCTA was used to obtain 3-D images of the coronary arteries to measure the degree of coronary artery calcium as well as detect stenosis in the coronary arteries. Participants also had an ultrasound of the carotid arteries.
After adjusting for age, sex, and study site (the study was done at Uppsala and Malmö, Sweden), the researchers found that rising salt consumption was linked with increasing atherosclerosis in a linear fashion in both the coronary and carotid arteries.
Each 1,000 mg rise in sodium excretion was associated with a 9% increased occurrence of carotid plaque (odds ratio, 1.09; P < .001; confidence interval, 1.06-1.12), a higher coronary artery calcium score (OR, 1.16; P < .001; CI, 1.12-1.19), and a 17% increased occurrence of coronary artery stenosis (OR, 1.17; P < .001; CI, 1.13-1.20).
The association was abolished, though, after adjusting for blood pressure, they note. Their “interpretation is that the increase in blood pressure from sodium intake, even below the level that currently defines arterial hypertension, is an important factor that mediates the interplay between salt intake and the atherosclerotic process,” they write. “As we observed an association in individuals with normal blood pressure, one possible explanation for these findings is that the detrimental pathological processes begin already prior to the development of hypertension,” they note, although they caution that no causal relationships can be gleaned from this cross-sectional study.
They also reported no sign of a “J-curve”; participants with the lowest levels of sodium excretion had the lowest occurrence of both coronary and carotid atherosclerosis, which contradicts findings in some studies that found very low sodium linked to increased cardiovascular disease–related events.
“There have been some controversies among researchers regarding very low intake, where some say very low salt intake can increase the risk of cardiovascular disease, but we could not find this in this study,” Dr. Wuopio said.
“Our study is confirming that excess salt is not a good thing, but the fact that it is linked to atherosclerosis, even in the absence of hypertension, was a bit of a surprise,” he said.
“I will be telling my patients to follow the advice given by the World Health Organization and other medical societies, to limit your intake of salt to approximately 1 teaspoon, even if your blood pressure is normal.”
Time to scrutinize salt’s role in atherosclerosis
In an accompanying editorial, Maciej Banach, MD, Medical University of Lodz, and Stanislaw Surma, MD, Faculty of Medical Sciences in Katowice, both in Poland, write that excessive dietary salt intake is a well-documented cardiovascular risk factor, and that the association is explained in most studies by increased blood pressure.
“We should look more extensively on the role of dietary salt, as it affects many pathological mechanisms, by which, especially with the coexistence of other risk factors, atherosclerosis may progress very fast,” they write.
“The results of the study shed new light on the direct relationship between excessive dietary salt intake and the risk of ASCVD [atherosclerotic cardiovascular disease], indicating that salt intake might be a risk factor for atherosclerosis even prior to the development of hypertension,” they conclude.
Confirmatory and novel
“Nobody questions the fact that high blood pressure is a powerful risk factor for atherosclerotic disease, but not all studies have suggested that, at least at significantly higher levels of sodium intake, that high salt intake tracks with risk for atherosclerotic disease,” Alon Gitig, MD, assistant professor and director of cardiology, Mount Sinai Doctors-Westchester, Yonkers, New York, told this news organization.
Most of the studies of salt intake in the diet are based on patient self-reports via food frequency questionnaires, which can give a general idea of salt intake, but are often not totally accurate, Dr. Gitig said.
“Here, they measured sodium in the urine and estimated the 24-hour salt intake from that, which is slightly novel,” he said.
Everybody knows that high blood pressure is associated with future cardiovascular disease risk, but what many don’t realize is that that risk starts to increase slightly but significantly above a blood pressure that is already in the range of 115 mm Hg/75 mm Hg, he said.
“The lower you can get your blood pressure down, to around 115-120, the lower your risk for cardiovascular disease,” Dr. Gitig said.
It is possible for most people to lower blood pressure through attention to diet, restricting sodium, performing cardio and weight training exercises, and maintaining a healthy weight, he said.
An example of a cardiovascular health diet is the Dietary Approaches to Stop Hypertension (DASH) diet.
“The DASH diet, consisting of 9 servings of fruits and vegetables a day with few refined carbs, flour and sugar, has been shown in a randomized trial to dramatically reduce blood pressure. There are two reasons for that. One is that the fruits and vegetables have many phytonutrients that are good for arteries. The other is that a large proportion of U.S. adults have insulin resistance, which leads to high blood pressure.
“The more fruits and vegetables and healthy animal products, and less sugar and flour, the more you are going to improve your insulin resistance, so you can bring your blood pressure down that way,” Dr. Gitig said.
The study was funded by the Swedish Heart-Lung Foundation, the Knut and Alice Wallenberg Foundation, the Swedish Research Council and Vinnova (Sweden’s Innovation agency), the University of Gothenburg and Sahlgrenska University Hospital, the Karolinska Institutet and Stockholm County Council, the Linköping University and University Hospital, the Lund University and Skane University Hospital, the Umea University and University Hospital, and the Uppsala University and University Hospital. Dr. Wuopio and Dr. Gitig report no relevant financial relationships. Dr. Banach reports financial relationships with Adamed, Amgen, Daichii Sankyo, Esperion, KrKa, NewAmsterdam, Polpharma, Novartis, Pfizer, Sanofi, Teva, Viatris, and CMDO at Longevity Group (LU). Dr. Surma reports a financial relationship with Sanofi and Novartis.
A version of this article first appeared on Medscape.com.
A high salt intake is an important risk factor for atherosclerosis, even in the absence of hypertension, a large study from Sweden concludes.
The study, including more than 10,000 individuals between the ages of 50 and 64 years from the Swedish Cardiopulmonary bioImage Study, showed a significant link between dietary salt intake and the risk for atherosclerotic lesions in the coronary and carotid arteries, even in participants with normal blood pressure and without known cardiovascular disease.
The finding suggests that salt could be a damaging factor in its own right before the development of hypertension, the authors write. The results were published online in European Heart Journal Open.
It has been known for a long time that salt is linked to hypertension, but the role that salt plays in atherosclerosis has not been examined, first author Jonas Wuopio, MD, Karolinska Institutet, Huddinge, and Clinical Research Center, Falun, Uppsala University, both in Sweden, told this news organization.
“Hardly anyone looks at changes in the arteries’ calcification, the atherosclerotic plaques and the association with salt intake,” Dr. Wuopio said. “We had this exclusive data from our cohort, so we wanted to use it to close this knowledge gap.”
The analysis included 10,788 adults aged 50-64 years, (average age, 58 years; 52% women) who underwent a coronary computed tomography angiography (CCTA) scan. The estimated 24-hour sodium excretion was used to measure sodium intake.
CCTA was used to obtain 3-D images of the coronary arteries to measure the degree of coronary artery calcium as well as detect stenosis in the coronary arteries. Participants also had an ultrasound of the carotid arteries.
After adjusting for age, sex, and study site (the study was done at Uppsala and Malmö, Sweden), the researchers found that rising salt consumption was linked with increasing atherosclerosis in a linear fashion in both the coronary and carotid arteries.
Each 1,000 mg rise in sodium excretion was associated with a 9% increased occurrence of carotid plaque (odds ratio, 1.09; P < .001; confidence interval, 1.06-1.12), a higher coronary artery calcium score (OR, 1.16; P < .001; CI, 1.12-1.19), and a 17% increased occurrence of coronary artery stenosis (OR, 1.17; P < .001; CI, 1.13-1.20).
The association was abolished, though, after adjusting for blood pressure, they note. Their “interpretation is that the increase in blood pressure from sodium intake, even below the level that currently defines arterial hypertension, is an important factor that mediates the interplay between salt intake and the atherosclerotic process,” they write. “As we observed an association in individuals with normal blood pressure, one possible explanation for these findings is that the detrimental pathological processes begin already prior to the development of hypertension,” they note, although they caution that no causal relationships can be gleaned from this cross-sectional study.
They also reported no sign of a “J-curve”; participants with the lowest levels of sodium excretion had the lowest occurrence of both coronary and carotid atherosclerosis, which contradicts findings in some studies that found very low sodium linked to increased cardiovascular disease–related events.
“There have been some controversies among researchers regarding very low intake, where some say very low salt intake can increase the risk of cardiovascular disease, but we could not find this in this study,” Dr. Wuopio said.
“Our study is confirming that excess salt is not a good thing, but the fact that it is linked to atherosclerosis, even in the absence of hypertension, was a bit of a surprise,” he said.
“I will be telling my patients to follow the advice given by the World Health Organization and other medical societies, to limit your intake of salt to approximately 1 teaspoon, even if your blood pressure is normal.”
Time to scrutinize salt’s role in atherosclerosis
In an accompanying editorial, Maciej Banach, MD, Medical University of Lodz, and Stanislaw Surma, MD, Faculty of Medical Sciences in Katowice, both in Poland, write that excessive dietary salt intake is a well-documented cardiovascular risk factor, and that the association is explained in most studies by increased blood pressure.
“We should look more extensively on the role of dietary salt, as it affects many pathological mechanisms, by which, especially with the coexistence of other risk factors, atherosclerosis may progress very fast,” they write.
“The results of the study shed new light on the direct relationship between excessive dietary salt intake and the risk of ASCVD [atherosclerotic cardiovascular disease], indicating that salt intake might be a risk factor for atherosclerosis even prior to the development of hypertension,” they conclude.
Confirmatory and novel
“Nobody questions the fact that high blood pressure is a powerful risk factor for atherosclerotic disease, but not all studies have suggested that, at least at significantly higher levels of sodium intake, that high salt intake tracks with risk for atherosclerotic disease,” Alon Gitig, MD, assistant professor and director of cardiology, Mount Sinai Doctors-Westchester, Yonkers, New York, told this news organization.
Most of the studies of salt intake in the diet are based on patient self-reports via food frequency questionnaires, which can give a general idea of salt intake, but are often not totally accurate, Dr. Gitig said.
“Here, they measured sodium in the urine and estimated the 24-hour salt intake from that, which is slightly novel,” he said.
Everybody knows that high blood pressure is associated with future cardiovascular disease risk, but what many don’t realize is that that risk starts to increase slightly but significantly above a blood pressure that is already in the range of 115 mm Hg/75 mm Hg, he said.
“The lower you can get your blood pressure down, to around 115-120, the lower your risk for cardiovascular disease,” Dr. Gitig said.
It is possible for most people to lower blood pressure through attention to diet, restricting sodium, performing cardio and weight training exercises, and maintaining a healthy weight, he said.
An example of a cardiovascular health diet is the Dietary Approaches to Stop Hypertension (DASH) diet.
“The DASH diet, consisting of 9 servings of fruits and vegetables a day with few refined carbs, flour and sugar, has been shown in a randomized trial to dramatically reduce blood pressure. There are two reasons for that. One is that the fruits and vegetables have many phytonutrients that are good for arteries. The other is that a large proportion of U.S. adults have insulin resistance, which leads to high blood pressure.
“The more fruits and vegetables and healthy animal products, and less sugar and flour, the more you are going to improve your insulin resistance, so you can bring your blood pressure down that way,” Dr. Gitig said.
The study was funded by the Swedish Heart-Lung Foundation, the Knut and Alice Wallenberg Foundation, the Swedish Research Council and Vinnova (Sweden’s Innovation agency), the University of Gothenburg and Sahlgrenska University Hospital, the Karolinska Institutet and Stockholm County Council, the Linköping University and University Hospital, the Lund University and Skane University Hospital, the Umea University and University Hospital, and the Uppsala University and University Hospital. Dr. Wuopio and Dr. Gitig report no relevant financial relationships. Dr. Banach reports financial relationships with Adamed, Amgen, Daichii Sankyo, Esperion, KrKa, NewAmsterdam, Polpharma, Novartis, Pfizer, Sanofi, Teva, Viatris, and CMDO at Longevity Group (LU). Dr. Surma reports a financial relationship with Sanofi and Novartis.
A version of this article first appeared on Medscape.com.