Swallowable ‘sponge on string’ to diagnose esophageal cancer

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Mon, 03/22/2021 - 14:08

An experimental cell-collection device that can be administered without anesthesia in a primary care practice was shown to be better at detecting Barrett esophagus than the standard of care in a community-based clinical trial.

Use of this patient-swallowed device, called Cytosponge-TFF3, could allow clinicians to diagnose esophageal conditions such as dysplasia or cancer at an earlier and potentially curable stage, said the investigators. However, it would also increase the likelihood of unnecessary endoscopies, owing to false-positive results.

“In this multicenter, pragmatic, randomized controlled trial we found that an invitation to have a Cytosponge-TFF3 test led to increased diagnosis of Barrett’s esophagus when compared with usual care by general practitioners,” write Rebecca C. Fitzgerald, MD, from the Hutchison/MRC Research Center in Cambridge, England, and colleagues.

The study was published online on Aug. 1 in The Lancet.

“This is a very important study, a landmark study,” said Stephen J. Meltzer, MD, professor of medicine and oncology at Johns Hopkins University, Baltimore, who was approached for comment.

“What it shows is that if you opt to have this procedure, you’re much more likely to have your Barrett’s diagnosed than if you don’t opt to have it,” he said.

He congratulated Dr. Fitzgerald and colleagues for successful completion of a large, primary practice–based clinical utility study.

“Those studies are very difficult to do. This is looking at the actual impact of an intervention, which is the sponge,” he said in an interview.

Soaking up cells

Dr. Meltzer was senior author of a case-control study published in 2019 in Clinical Cancer Research that described use of a similar device. As previously reported, that device, called EsophaCap, uses a “methylation on bead” technique to collect DNA on a swallowed sponge. The DNA is then extracted from the sponge and analyzed with a methylation biomarker panel.

Like the EsophaCap device, the Cytosponge-TFF3 device consists of a compressed, gelatin-coated collection sponge attached to a thread. The patient swallows the device. After the gelatin dissolves and the sponge expands, it is gently withdrawn through the esophagus, picking up cells as it passes through.

The collected cells are then analyzed with an in vitro test for biomarker trefoil factor 3 (TFF3), a sign of intestinal metaplasia that is a histopathologic hallmark of Barrett esophagus, the authors explained.

Cytosponge-TFF3 study

The study by Dr. Fitzgerald and colleagues was conducted in patients taking medications for gastroesophageal reflux. The patients were undergoing treatment at 109 general practice clinics in England.

Eligible patients included adults aged 50 years and older who had been taking acid-suppressing medication for gastroesophageal reflux for more than 6 months and had not undergone endoscopy within the previous 5 years.

The study was randomized at both the clinic level (cluster randomization) and the individual patient level. Patients were assigned to either standard management of gastroesophageal reflux, with endoscopies performed only if recommended by the practitioner, or to the intervention group, where individuals received usual care and were offered the Cytosponge-TFF3 procedure. Those patients whose samples yielded TFF3-positive cells subsequently underwent endoscopy.

Among 6,834 patients assigned to the intervention group, 2,679 (39%) expressed willingness to undergo the Cytosponge-TFF3 procedure. Of this group, 1,750 patients met all of the eligibility criteria on telephone screening and underwent the procedure.

The large majority of patients (95%) who agreed to undergo the procedure were able to swallow the capsule and the attached thread.

Patients in the intervention group who declined the Cytosponge-TFF3 and all patients assigned to the usual-care arm underwent endoscopy only at the recommendation of their primary practitioner.

During a mean follow-up of 12 months, 140 of the 6,834 patients in the intervention group (2%) were diagnosed with Barrett esophagus, compared with 13 of 6,388 patients in the usual-care group (0.2%). The absolute difference per 1000 person-years, the trial’s primary endpoint, was 18.3. The rate ratio adjusted for cluster randomization was 10.6 (P < .001).

A total of four patients in the intervention group were diagnosed with dysplastic Barrett esophagus, and five were diagnosed with stage I esophagogastric cancer. No patients in the usual-care group were diagnosed with either condition.

Of the 1,654 patients in the intervention group who opted for the Cytosponge device and swallowed it successfully, 221 underwent endoscopy after testing positive for TFF3. Of these patients, 131 (59%) were diagnosed with either Barrett esophagus or cancer.

The most common adverse event with the Cytosponge procedure was sore throat, reported by 4% of those who opted for it. In one patient, the thread became detach from the Cytopsonge, necessitating endoscopy to remove the device.

 

 

Promising, but refinements needed

In an editorial accompanying the study, Yuri Hanada, MD, and Kenneth K. Wang, MD, from the department of gastroenterology at the Mayo Clinic in Rochester, Minn., said that the Cytosponge-TFF3 procedure “is a promising nonendoscopic screening tool and will represent a component in the screening for Barrett’s esophagus and esophagogastric cancer.”

They noted, however, that it is unlikely to be the sole screening tool for Barrett esophagus and that its use in primary practice may be problematic during the COVID-19 pandemic, because of the release of aerosolized particles as the sponge is withdrawn from the esophagus.

“It might also be necessary to enrich disease prevalence in the screened population by limiting this population to males and people with other risk factors, in order to make this test more cost-effective than previously shown,” they wrote.

Acceptance rate low?

Dr. Meltzer noted that, despite being less invasive than endoscopy, only 39% of the group who could try it agreed to do so.

“It was kind of surprising, because in my experience, when I offer it to my patients, the acceptance is much higher, but that’s not in a controlled clinical trial situation, so I don’t really know what the true percentage is,” he said.

He pointed out that the patients he sees in his clinic are more likely to be symptomatic and highly motivated to accept a test, in contrast to the general patient population in the study.

He also noted that the endoscopy-confirmed prevalence rate of Barrett esophagus or cancer in 221 patients in the intervention group was 59%, suggesting that 41% underwent an unnecessary endoscopy after the Cytosponge screening.

Dr. Fitzgerald and colleagues acknowledged the potential for overdiagnosis with screening. They noted a debate as to whether 1 cm or short segments of Barrett esophagus are a cause for clinical concern.

They also note that the TFF3 test (used in the CytoSponge device) is sensitive and detects some short segments of Barrett esophagus and that, “since this was a pragmatic trial that relied on a coded diagnosis of Barrett’s esophagus, we also identified patients in the usual care group who had short segments of Barrett’s esophagus (1 cm or less in length) and were diagnosed as having the condition, reflecting the variable practice in U.K. hospitals.

“We expect that these patients can be reassured and probably do not require surveillance,” they continued. “This expectation is consistent with the clinical guidelines, which suggest that patients with over 1 cm of salmon-colored epithelium containing intestinal metaplasia should be monitored.”

The study was funded by Cancer Research UK, the U.K. National Institute for Health Research, the U.K. National Health Service, Medtronic, and the Medical Research Council. Dr. Fitzgerald is named on patents related to the Cytosponge-TFF3 test. Dr. Meltzer has cofounded a company, Capsulomics, to commercialize the methylation biomarker panel used in EsophaCap studies. Dr. Wang has received research funding from eNose for research on a device used in a screening study of Barrett esophagus.

Help your patients better understand the risks, testing and treatment options for Barrett’s esophagus by sharing education from the AGA GI Patient Center at http://ow.ly/p9hU30r4oya.

This article first appeared on Medscape.com.

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An experimental cell-collection device that can be administered without anesthesia in a primary care practice was shown to be better at detecting Barrett esophagus than the standard of care in a community-based clinical trial.

Use of this patient-swallowed device, called Cytosponge-TFF3, could allow clinicians to diagnose esophageal conditions such as dysplasia or cancer at an earlier and potentially curable stage, said the investigators. However, it would also increase the likelihood of unnecessary endoscopies, owing to false-positive results.

“In this multicenter, pragmatic, randomized controlled trial we found that an invitation to have a Cytosponge-TFF3 test led to increased diagnosis of Barrett’s esophagus when compared with usual care by general practitioners,” write Rebecca C. Fitzgerald, MD, from the Hutchison/MRC Research Center in Cambridge, England, and colleagues.

The study was published online on Aug. 1 in The Lancet.

“This is a very important study, a landmark study,” said Stephen J. Meltzer, MD, professor of medicine and oncology at Johns Hopkins University, Baltimore, who was approached for comment.

“What it shows is that if you opt to have this procedure, you’re much more likely to have your Barrett’s diagnosed than if you don’t opt to have it,” he said.

He congratulated Dr. Fitzgerald and colleagues for successful completion of a large, primary practice–based clinical utility study.

“Those studies are very difficult to do. This is looking at the actual impact of an intervention, which is the sponge,” he said in an interview.

Soaking up cells

Dr. Meltzer was senior author of a case-control study published in 2019 in Clinical Cancer Research that described use of a similar device. As previously reported, that device, called EsophaCap, uses a “methylation on bead” technique to collect DNA on a swallowed sponge. The DNA is then extracted from the sponge and analyzed with a methylation biomarker panel.

Like the EsophaCap device, the Cytosponge-TFF3 device consists of a compressed, gelatin-coated collection sponge attached to a thread. The patient swallows the device. After the gelatin dissolves and the sponge expands, it is gently withdrawn through the esophagus, picking up cells as it passes through.

The collected cells are then analyzed with an in vitro test for biomarker trefoil factor 3 (TFF3), a sign of intestinal metaplasia that is a histopathologic hallmark of Barrett esophagus, the authors explained.

Cytosponge-TFF3 study

The study by Dr. Fitzgerald and colleagues was conducted in patients taking medications for gastroesophageal reflux. The patients were undergoing treatment at 109 general practice clinics in England.

Eligible patients included adults aged 50 years and older who had been taking acid-suppressing medication for gastroesophageal reflux for more than 6 months and had not undergone endoscopy within the previous 5 years.

The study was randomized at both the clinic level (cluster randomization) and the individual patient level. Patients were assigned to either standard management of gastroesophageal reflux, with endoscopies performed only if recommended by the practitioner, or to the intervention group, where individuals received usual care and were offered the Cytosponge-TFF3 procedure. Those patients whose samples yielded TFF3-positive cells subsequently underwent endoscopy.

Among 6,834 patients assigned to the intervention group, 2,679 (39%) expressed willingness to undergo the Cytosponge-TFF3 procedure. Of this group, 1,750 patients met all of the eligibility criteria on telephone screening and underwent the procedure.

The large majority of patients (95%) who agreed to undergo the procedure were able to swallow the capsule and the attached thread.

Patients in the intervention group who declined the Cytosponge-TFF3 and all patients assigned to the usual-care arm underwent endoscopy only at the recommendation of their primary practitioner.

During a mean follow-up of 12 months, 140 of the 6,834 patients in the intervention group (2%) were diagnosed with Barrett esophagus, compared with 13 of 6,388 patients in the usual-care group (0.2%). The absolute difference per 1000 person-years, the trial’s primary endpoint, was 18.3. The rate ratio adjusted for cluster randomization was 10.6 (P < .001).

A total of four patients in the intervention group were diagnosed with dysplastic Barrett esophagus, and five were diagnosed with stage I esophagogastric cancer. No patients in the usual-care group were diagnosed with either condition.

Of the 1,654 patients in the intervention group who opted for the Cytosponge device and swallowed it successfully, 221 underwent endoscopy after testing positive for TFF3. Of these patients, 131 (59%) were diagnosed with either Barrett esophagus or cancer.

The most common adverse event with the Cytosponge procedure was sore throat, reported by 4% of those who opted for it. In one patient, the thread became detach from the Cytopsonge, necessitating endoscopy to remove the device.

 

 

Promising, but refinements needed

In an editorial accompanying the study, Yuri Hanada, MD, and Kenneth K. Wang, MD, from the department of gastroenterology at the Mayo Clinic in Rochester, Minn., said that the Cytosponge-TFF3 procedure “is a promising nonendoscopic screening tool and will represent a component in the screening for Barrett’s esophagus and esophagogastric cancer.”

They noted, however, that it is unlikely to be the sole screening tool for Barrett esophagus and that its use in primary practice may be problematic during the COVID-19 pandemic, because of the release of aerosolized particles as the sponge is withdrawn from the esophagus.

“It might also be necessary to enrich disease prevalence in the screened population by limiting this population to males and people with other risk factors, in order to make this test more cost-effective than previously shown,” they wrote.

Acceptance rate low?

Dr. Meltzer noted that, despite being less invasive than endoscopy, only 39% of the group who could try it agreed to do so.

“It was kind of surprising, because in my experience, when I offer it to my patients, the acceptance is much higher, but that’s not in a controlled clinical trial situation, so I don’t really know what the true percentage is,” he said.

He pointed out that the patients he sees in his clinic are more likely to be symptomatic and highly motivated to accept a test, in contrast to the general patient population in the study.

He also noted that the endoscopy-confirmed prevalence rate of Barrett esophagus or cancer in 221 patients in the intervention group was 59%, suggesting that 41% underwent an unnecessary endoscopy after the Cytosponge screening.

Dr. Fitzgerald and colleagues acknowledged the potential for overdiagnosis with screening. They noted a debate as to whether 1 cm or short segments of Barrett esophagus are a cause for clinical concern.

They also note that the TFF3 test (used in the CytoSponge device) is sensitive and detects some short segments of Barrett esophagus and that, “since this was a pragmatic trial that relied on a coded diagnosis of Barrett’s esophagus, we also identified patients in the usual care group who had short segments of Barrett’s esophagus (1 cm or less in length) and were diagnosed as having the condition, reflecting the variable practice in U.K. hospitals.

“We expect that these patients can be reassured and probably do not require surveillance,” they continued. “This expectation is consistent with the clinical guidelines, which suggest that patients with over 1 cm of salmon-colored epithelium containing intestinal metaplasia should be monitored.”

The study was funded by Cancer Research UK, the U.K. National Institute for Health Research, the U.K. National Health Service, Medtronic, and the Medical Research Council. Dr. Fitzgerald is named on patents related to the Cytosponge-TFF3 test. Dr. Meltzer has cofounded a company, Capsulomics, to commercialize the methylation biomarker panel used in EsophaCap studies. Dr. Wang has received research funding from eNose for research on a device used in a screening study of Barrett esophagus.

Help your patients better understand the risks, testing and treatment options for Barrett’s esophagus by sharing education from the AGA GI Patient Center at http://ow.ly/p9hU30r4oya.

This article first appeared on Medscape.com.

An experimental cell-collection device that can be administered without anesthesia in a primary care practice was shown to be better at detecting Barrett esophagus than the standard of care in a community-based clinical trial.

Use of this patient-swallowed device, called Cytosponge-TFF3, could allow clinicians to diagnose esophageal conditions such as dysplasia or cancer at an earlier and potentially curable stage, said the investigators. However, it would also increase the likelihood of unnecessary endoscopies, owing to false-positive results.

“In this multicenter, pragmatic, randomized controlled trial we found that an invitation to have a Cytosponge-TFF3 test led to increased diagnosis of Barrett’s esophagus when compared with usual care by general practitioners,” write Rebecca C. Fitzgerald, MD, from the Hutchison/MRC Research Center in Cambridge, England, and colleagues.

The study was published online on Aug. 1 in The Lancet.

“This is a very important study, a landmark study,” said Stephen J. Meltzer, MD, professor of medicine and oncology at Johns Hopkins University, Baltimore, who was approached for comment.

“What it shows is that if you opt to have this procedure, you’re much more likely to have your Barrett’s diagnosed than if you don’t opt to have it,” he said.

He congratulated Dr. Fitzgerald and colleagues for successful completion of a large, primary practice–based clinical utility study.

“Those studies are very difficult to do. This is looking at the actual impact of an intervention, which is the sponge,” he said in an interview.

Soaking up cells

Dr. Meltzer was senior author of a case-control study published in 2019 in Clinical Cancer Research that described use of a similar device. As previously reported, that device, called EsophaCap, uses a “methylation on bead” technique to collect DNA on a swallowed sponge. The DNA is then extracted from the sponge and analyzed with a methylation biomarker panel.

Like the EsophaCap device, the Cytosponge-TFF3 device consists of a compressed, gelatin-coated collection sponge attached to a thread. The patient swallows the device. After the gelatin dissolves and the sponge expands, it is gently withdrawn through the esophagus, picking up cells as it passes through.

The collected cells are then analyzed with an in vitro test for biomarker trefoil factor 3 (TFF3), a sign of intestinal metaplasia that is a histopathologic hallmark of Barrett esophagus, the authors explained.

Cytosponge-TFF3 study

The study by Dr. Fitzgerald and colleagues was conducted in patients taking medications for gastroesophageal reflux. The patients were undergoing treatment at 109 general practice clinics in England.

Eligible patients included adults aged 50 years and older who had been taking acid-suppressing medication for gastroesophageal reflux for more than 6 months and had not undergone endoscopy within the previous 5 years.

The study was randomized at both the clinic level (cluster randomization) and the individual patient level. Patients were assigned to either standard management of gastroesophageal reflux, with endoscopies performed only if recommended by the practitioner, or to the intervention group, where individuals received usual care and were offered the Cytosponge-TFF3 procedure. Those patients whose samples yielded TFF3-positive cells subsequently underwent endoscopy.

Among 6,834 patients assigned to the intervention group, 2,679 (39%) expressed willingness to undergo the Cytosponge-TFF3 procedure. Of this group, 1,750 patients met all of the eligibility criteria on telephone screening and underwent the procedure.

The large majority of patients (95%) who agreed to undergo the procedure were able to swallow the capsule and the attached thread.

Patients in the intervention group who declined the Cytosponge-TFF3 and all patients assigned to the usual-care arm underwent endoscopy only at the recommendation of their primary practitioner.

During a mean follow-up of 12 months, 140 of the 6,834 patients in the intervention group (2%) were diagnosed with Barrett esophagus, compared with 13 of 6,388 patients in the usual-care group (0.2%). The absolute difference per 1000 person-years, the trial’s primary endpoint, was 18.3. The rate ratio adjusted for cluster randomization was 10.6 (P < .001).

A total of four patients in the intervention group were diagnosed with dysplastic Barrett esophagus, and five were diagnosed with stage I esophagogastric cancer. No patients in the usual-care group were diagnosed with either condition.

Of the 1,654 patients in the intervention group who opted for the Cytosponge device and swallowed it successfully, 221 underwent endoscopy after testing positive for TFF3. Of these patients, 131 (59%) were diagnosed with either Barrett esophagus or cancer.

The most common adverse event with the Cytosponge procedure was sore throat, reported by 4% of those who opted for it. In one patient, the thread became detach from the Cytopsonge, necessitating endoscopy to remove the device.

 

 

Promising, but refinements needed

In an editorial accompanying the study, Yuri Hanada, MD, and Kenneth K. Wang, MD, from the department of gastroenterology at the Mayo Clinic in Rochester, Minn., said that the Cytosponge-TFF3 procedure “is a promising nonendoscopic screening tool and will represent a component in the screening for Barrett’s esophagus and esophagogastric cancer.”

They noted, however, that it is unlikely to be the sole screening tool for Barrett esophagus and that its use in primary practice may be problematic during the COVID-19 pandemic, because of the release of aerosolized particles as the sponge is withdrawn from the esophagus.

“It might also be necessary to enrich disease prevalence in the screened population by limiting this population to males and people with other risk factors, in order to make this test more cost-effective than previously shown,” they wrote.

Acceptance rate low?

Dr. Meltzer noted that, despite being less invasive than endoscopy, only 39% of the group who could try it agreed to do so.

“It was kind of surprising, because in my experience, when I offer it to my patients, the acceptance is much higher, but that’s not in a controlled clinical trial situation, so I don’t really know what the true percentage is,” he said.

He pointed out that the patients he sees in his clinic are more likely to be symptomatic and highly motivated to accept a test, in contrast to the general patient population in the study.

He also noted that the endoscopy-confirmed prevalence rate of Barrett esophagus or cancer in 221 patients in the intervention group was 59%, suggesting that 41% underwent an unnecessary endoscopy after the Cytosponge screening.

Dr. Fitzgerald and colleagues acknowledged the potential for overdiagnosis with screening. They noted a debate as to whether 1 cm or short segments of Barrett esophagus are a cause for clinical concern.

They also note that the TFF3 test (used in the CytoSponge device) is sensitive and detects some short segments of Barrett esophagus and that, “since this was a pragmatic trial that relied on a coded diagnosis of Barrett’s esophagus, we also identified patients in the usual care group who had short segments of Barrett’s esophagus (1 cm or less in length) and were diagnosed as having the condition, reflecting the variable practice in U.K. hospitals.

“We expect that these patients can be reassured and probably do not require surveillance,” they continued. “This expectation is consistent with the clinical guidelines, which suggest that patients with over 1 cm of salmon-colored epithelium containing intestinal metaplasia should be monitored.”

The study was funded by Cancer Research UK, the U.K. National Institute for Health Research, the U.K. National Health Service, Medtronic, and the Medical Research Council. Dr. Fitzgerald is named on patents related to the Cytosponge-TFF3 test. Dr. Meltzer has cofounded a company, Capsulomics, to commercialize the methylation biomarker panel used in EsophaCap studies. Dr. Wang has received research funding from eNose for research on a device used in a screening study of Barrett esophagus.

Help your patients better understand the risks, testing and treatment options for Barrett’s esophagus by sharing education from the AGA GI Patient Center at http://ow.ly/p9hU30r4oya.

This article first appeared on Medscape.com.

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Impaired senses, especially smell, linked to dementia

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Thu, 12/15/2022 - 15:43

A poor combined score on tests of hearing, vision, smell, and touch is associated with a higher risk for dementia and cognitive decline among older adults, new research suggests. The study, which included almost 1,800 participants, adds to emerging evidence that even mild levels of multisensory impairment are associated with accelerated cognitive aging, the researchers noted.

Clinicians should be aware of this link between sensory impairment and dementia risk, said lead author Willa Brenowitz, PhD, assistant professor, department of psychiatry and behavioral sciences, University of California, San Francisco. “Many of these impairments are treatable, or at least physicians can monitor them; and this can improve quality of life, even if it doesn’t improve dementia risk.”

The findings were published online July 12 in Alzheimer’s and Dementia.
 

Additive effects

Previous research has focused on the link between dementia and individual senses, but this new work is unique in that it focuses on the additive effects of multiple impairments in sensory function, said Dr. Brenowitz. The study included 1,794 dementia-free participants in their 70s from the Health, Aging and Body Composition study, a prospective cohort study of healthy Black and White men and women.

Researchers tested participants’ hearing using a pure tone average without hearing aids and vision using contrast sensitivity with glasses permitted. They also measured vibrations in the big toe to assess touch and had participants identify distinctive odors such as paint thinner, roses, lemons, and onions to assess smell.

A score of 0-3 was assigned based on sample quartiles for each of the four sensory functions. Individuals with the best quartile were assigned a score of 0 and those with the worst were assigned a score of 3.

The investigators added scores across all senses to create a summary score of multisensory function (0-12) and classified the participants into tertiles of good, medium, and poor. Individuals with a score of 0 would have good function in all senses, whereas those with 12 would have poor function in all senses. Those with medium scores could have a mix of impairments.

Participants with good multisensory function were more likely to be healthier than those with poor function. They were also significantly more likely to have completed high school (85.0% vs. 72.1%), were significantly less likely to have diabetes (16.9% vs. 27.9%), and were marginally less likely to have cardiovascular disease, high blood pressure, and history of stroke.

Investigators measured cognition using the Modified Mini-Mental State (3MS) examination, a test of global cognitive function, and the Digit Symbol Substitution Test (DSST), a measure of cognitive processing speed. Cognitive testing was carried out at the beginning of the study and repeated every other year.

Dementia was defined as the use of dementia medication, being hospitalized with dementia as a primary or secondary diagnosis, or having a 3MS score 1.5 standard deviations lower than the race-stratified Health ABC study baseline mean.

Over an average follow-up of 6.3 years, 18% of participants developed dementia.
 

Dose-response increase

Results showed that, with worsening multisensory function score, the risk for dementia increased in a dose-response manner. In models adjusted for demographics and health conditions, participants with a poor multisensory function score were more than twice as likely to develop dementia than those with a good score (hazard ratio, 2.05; 95% confidence interval, 1.50-2.81; P < .001). Those with a middle multisensory function score were 1.45 times more likely to develop dementia (HR, 1.45; 95% CI, 1.09-1.91; P < .001).

Even a 1-point worse multisensory function score was associated with a 14% higher risk for dementia (95% CI, 8%-21%), while a 4-point worse score was associated with 71% higher risk for dementia (95% CI, 38%-211%).

Smell was the sensory function most strongly associated with dementia risk. Participants whose sense of smell declined by 10% had a 19% higher risk for dementia versus a 1%-3% higher risk for declines in vision, hearing, and touch.

It is not clear why smell was a stronger determinant of dementia risk. However, loss of this sense is often considered to be a marker for Alzheimer’s disease “because it is closely linked with brain regions that are affected” in that disease, said Dr. Brenowitz.

However, that does not necessarily mean smell is more important than vision or hearing, she added. “Even if hearing and vision have a smaller contribution to dementia, they have a stronger potential for intervention.” The findings suggest “some additive or cumulative” effects for loss of the different senses. “There’s an association above and beyond those which can be attributed to individual sensory domains,” she said.
 

Frailty link

After including mobility, which is a potential mediator, estimates for the multisensory function score were slightly lower. “Walking speed is pretty strongly associated with dementia risk,” Dr. Brenowitz noted. Physical frailty might help explain the link between sensory impairment and dementia risk. “It’s not clear if that’s because people with dementia are declining or because people with frailty are especially vulnerable to dementia,” she said.

The researchers also assessed the role of social support, another potential mechanism by which sensory decline, especially in hearing and vision, could influence dementia risk. Although the study did not find substantial differences in social support measures, the investigators noted that questions assessing social support were limited in scope.

Interactions between multisensory function score and race, APOE e4 allele status, and sex were not significant.

Worsening multisensory function was also linked to faster annual rates of cognitive decline as measured by both the 3MS and DSST. Each 1-point worse score was associated with faster decline (P < .05), even after adjustment for demographics and health conditions.
 

Possible mechanisms

A number of possible mechanisms may explain the link between poor sensory function and dementia. It could be that neurodegeneration underlying dementia affects the senses, or vision and/or hearing loss leads to social isolation and poor mental health, which in turn could affect dementia risk, the researchers wrote. It also is possible that cardiovascular disease or diabetes affect both dementia risk and sensory impairment.

Dr. Brenowitz noted that, because cognitive tests rely on a certain degree of vision and hearing, impairment of these senses may complicate such tests. Still to be determined is whether correcting sensory impairments, such as wearing corrective lenses or hearing aids, affects dementia risk.

Meanwhile, it might be a good idea to more regularly check sensory function, especially vision and hearing, the researchers suggested. These functions affect various aspects of health and can be assessed rather easily. However, because smell is so strongly associated with dementia risk, Dr. Brenowitz said she would like to see it also become “part of a screening tool.”

A possible study limitation cited was that the researchers checked sensory function only once. “Most likely, some of these would change over time, but at least it captured sensory function at one point,” Dr. Brenowitz said.
 

 

 

“Sheds further light”

Commenting on the study, Jo V. Rushworth, PhD, associate professor and national teaching fellow, De Montfort University Leicester (England), said it “sheds further light on the emerging links” between multisensory impairment and cognitive decline leading to dementia. “The authors show that people with even mild loss of function in various senses are more likely to develop cognitive impairment.”

Dr. Rushworth was not involved with the study but has done research in the area.

The current results suggest that measuring patients’ hearing, vision, sense of smell, and touch might “flag at-risk groups” who could be targeted for dementia prevention strategies, Dr. Rushworth noted. Such tests are noninvasive and potentially less distressing than other methods of diagnosing dementia. “Importantly, the relatively low cost and simplicity of sensory tests offer the potential for more frequent testing and the use of these methods in areas of the world where medical facilities and resources are limited.”

This new study raises the question of whether the observed sensory impairments are a cause or an effect of dementia, Dr. Rushworth noted. “As the authors suggest, decreased sensory function can lead to a decrease in social engagement, mobility, and other factors which would usually contribute to counteracting cognitive decline.”

The study raises other questions, too, said Dr. Rushworth. She noted that the participants who experienced more severe sensory impairments were, on average, 2 years older than those with the least impairments. “To what degree were the observed sensory deficits linked to normal aging rather than dementia?”

As well, Dr. Rushworth pointed out that the molecular mechanisms that “kick-start” dementia are believed to occur in midlife – so possibly at an age younger than the study participants. “Do younger people of a ‘predementia’ age range display multisensory impairments?”

Because study participants could wear glasses during vision tests but were not allowed to wear hearing aids for the hearing tests, further standardization of sensory impairment is required, Dr. Rushworth said.

“Future studies will be essential in determining the value of clinical measurement of multisensory impairment as a possible dementia indicator and prevention strategy,” she concluded.

The study was funded by the National Institute on Aging, the National Institute of Nursing Research, and the Alzheimer’s Association. Dr. Brenowitz and Dr. Rushworth have reported no relevant financial relationships.

A version of this article originally appeared on Medscape.com.

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A poor combined score on tests of hearing, vision, smell, and touch is associated with a higher risk for dementia and cognitive decline among older adults, new research suggests. The study, which included almost 1,800 participants, adds to emerging evidence that even mild levels of multisensory impairment are associated with accelerated cognitive aging, the researchers noted.

Clinicians should be aware of this link between sensory impairment and dementia risk, said lead author Willa Brenowitz, PhD, assistant professor, department of psychiatry and behavioral sciences, University of California, San Francisco. “Many of these impairments are treatable, or at least physicians can monitor them; and this can improve quality of life, even if it doesn’t improve dementia risk.”

The findings were published online July 12 in Alzheimer’s and Dementia.
 

Additive effects

Previous research has focused on the link between dementia and individual senses, but this new work is unique in that it focuses on the additive effects of multiple impairments in sensory function, said Dr. Brenowitz. The study included 1,794 dementia-free participants in their 70s from the Health, Aging and Body Composition study, a prospective cohort study of healthy Black and White men and women.

Researchers tested participants’ hearing using a pure tone average without hearing aids and vision using contrast sensitivity with glasses permitted. They also measured vibrations in the big toe to assess touch and had participants identify distinctive odors such as paint thinner, roses, lemons, and onions to assess smell.

A score of 0-3 was assigned based on sample quartiles for each of the four sensory functions. Individuals with the best quartile were assigned a score of 0 and those with the worst were assigned a score of 3.

The investigators added scores across all senses to create a summary score of multisensory function (0-12) and classified the participants into tertiles of good, medium, and poor. Individuals with a score of 0 would have good function in all senses, whereas those with 12 would have poor function in all senses. Those with medium scores could have a mix of impairments.

Participants with good multisensory function were more likely to be healthier than those with poor function. They were also significantly more likely to have completed high school (85.0% vs. 72.1%), were significantly less likely to have diabetes (16.9% vs. 27.9%), and were marginally less likely to have cardiovascular disease, high blood pressure, and history of stroke.

Investigators measured cognition using the Modified Mini-Mental State (3MS) examination, a test of global cognitive function, and the Digit Symbol Substitution Test (DSST), a measure of cognitive processing speed. Cognitive testing was carried out at the beginning of the study and repeated every other year.

Dementia was defined as the use of dementia medication, being hospitalized with dementia as a primary or secondary diagnosis, or having a 3MS score 1.5 standard deviations lower than the race-stratified Health ABC study baseline mean.

Over an average follow-up of 6.3 years, 18% of participants developed dementia.
 

Dose-response increase

Results showed that, with worsening multisensory function score, the risk for dementia increased in a dose-response manner. In models adjusted for demographics and health conditions, participants with a poor multisensory function score were more than twice as likely to develop dementia than those with a good score (hazard ratio, 2.05; 95% confidence interval, 1.50-2.81; P < .001). Those with a middle multisensory function score were 1.45 times more likely to develop dementia (HR, 1.45; 95% CI, 1.09-1.91; P < .001).

Even a 1-point worse multisensory function score was associated with a 14% higher risk for dementia (95% CI, 8%-21%), while a 4-point worse score was associated with 71% higher risk for dementia (95% CI, 38%-211%).

Smell was the sensory function most strongly associated with dementia risk. Participants whose sense of smell declined by 10% had a 19% higher risk for dementia versus a 1%-3% higher risk for declines in vision, hearing, and touch.

It is not clear why smell was a stronger determinant of dementia risk. However, loss of this sense is often considered to be a marker for Alzheimer’s disease “because it is closely linked with brain regions that are affected” in that disease, said Dr. Brenowitz.

However, that does not necessarily mean smell is more important than vision or hearing, she added. “Even if hearing and vision have a smaller contribution to dementia, they have a stronger potential for intervention.” The findings suggest “some additive or cumulative” effects for loss of the different senses. “There’s an association above and beyond those which can be attributed to individual sensory domains,” she said.
 

Frailty link

After including mobility, which is a potential mediator, estimates for the multisensory function score were slightly lower. “Walking speed is pretty strongly associated with dementia risk,” Dr. Brenowitz noted. Physical frailty might help explain the link between sensory impairment and dementia risk. “It’s not clear if that’s because people with dementia are declining or because people with frailty are especially vulnerable to dementia,” she said.

The researchers also assessed the role of social support, another potential mechanism by which sensory decline, especially in hearing and vision, could influence dementia risk. Although the study did not find substantial differences in social support measures, the investigators noted that questions assessing social support were limited in scope.

Interactions between multisensory function score and race, APOE e4 allele status, and sex were not significant.

Worsening multisensory function was also linked to faster annual rates of cognitive decline as measured by both the 3MS and DSST. Each 1-point worse score was associated with faster decline (P < .05), even after adjustment for demographics and health conditions.
 

Possible mechanisms

A number of possible mechanisms may explain the link between poor sensory function and dementia. It could be that neurodegeneration underlying dementia affects the senses, or vision and/or hearing loss leads to social isolation and poor mental health, which in turn could affect dementia risk, the researchers wrote. It also is possible that cardiovascular disease or diabetes affect both dementia risk and sensory impairment.

Dr. Brenowitz noted that, because cognitive tests rely on a certain degree of vision and hearing, impairment of these senses may complicate such tests. Still to be determined is whether correcting sensory impairments, such as wearing corrective lenses or hearing aids, affects dementia risk.

Meanwhile, it might be a good idea to more regularly check sensory function, especially vision and hearing, the researchers suggested. These functions affect various aspects of health and can be assessed rather easily. However, because smell is so strongly associated with dementia risk, Dr. Brenowitz said she would like to see it also become “part of a screening tool.”

A possible study limitation cited was that the researchers checked sensory function only once. “Most likely, some of these would change over time, but at least it captured sensory function at one point,” Dr. Brenowitz said.
 

 

 

“Sheds further light”

Commenting on the study, Jo V. Rushworth, PhD, associate professor and national teaching fellow, De Montfort University Leicester (England), said it “sheds further light on the emerging links” between multisensory impairment and cognitive decline leading to dementia. “The authors show that people with even mild loss of function in various senses are more likely to develop cognitive impairment.”

Dr. Rushworth was not involved with the study but has done research in the area.

The current results suggest that measuring patients’ hearing, vision, sense of smell, and touch might “flag at-risk groups” who could be targeted for dementia prevention strategies, Dr. Rushworth noted. Such tests are noninvasive and potentially less distressing than other methods of diagnosing dementia. “Importantly, the relatively low cost and simplicity of sensory tests offer the potential for more frequent testing and the use of these methods in areas of the world where medical facilities and resources are limited.”

This new study raises the question of whether the observed sensory impairments are a cause or an effect of dementia, Dr. Rushworth noted. “As the authors suggest, decreased sensory function can lead to a decrease in social engagement, mobility, and other factors which would usually contribute to counteracting cognitive decline.”

The study raises other questions, too, said Dr. Rushworth. She noted that the participants who experienced more severe sensory impairments were, on average, 2 years older than those with the least impairments. “To what degree were the observed sensory deficits linked to normal aging rather than dementia?”

As well, Dr. Rushworth pointed out that the molecular mechanisms that “kick-start” dementia are believed to occur in midlife – so possibly at an age younger than the study participants. “Do younger people of a ‘predementia’ age range display multisensory impairments?”

Because study participants could wear glasses during vision tests but were not allowed to wear hearing aids for the hearing tests, further standardization of sensory impairment is required, Dr. Rushworth said.

“Future studies will be essential in determining the value of clinical measurement of multisensory impairment as a possible dementia indicator and prevention strategy,” she concluded.

The study was funded by the National Institute on Aging, the National Institute of Nursing Research, and the Alzheimer’s Association. Dr. Brenowitz and Dr. Rushworth have reported no relevant financial relationships.

A version of this article originally appeared on Medscape.com.

A poor combined score on tests of hearing, vision, smell, and touch is associated with a higher risk for dementia and cognitive decline among older adults, new research suggests. The study, which included almost 1,800 participants, adds to emerging evidence that even mild levels of multisensory impairment are associated with accelerated cognitive aging, the researchers noted.

Clinicians should be aware of this link between sensory impairment and dementia risk, said lead author Willa Brenowitz, PhD, assistant professor, department of psychiatry and behavioral sciences, University of California, San Francisco. “Many of these impairments are treatable, or at least physicians can monitor them; and this can improve quality of life, even if it doesn’t improve dementia risk.”

The findings were published online July 12 in Alzheimer’s and Dementia.
 

Additive effects

Previous research has focused on the link between dementia and individual senses, but this new work is unique in that it focuses on the additive effects of multiple impairments in sensory function, said Dr. Brenowitz. The study included 1,794 dementia-free participants in their 70s from the Health, Aging and Body Composition study, a prospective cohort study of healthy Black and White men and women.

Researchers tested participants’ hearing using a pure tone average without hearing aids and vision using contrast sensitivity with glasses permitted. They also measured vibrations in the big toe to assess touch and had participants identify distinctive odors such as paint thinner, roses, lemons, and onions to assess smell.

A score of 0-3 was assigned based on sample quartiles for each of the four sensory functions. Individuals with the best quartile were assigned a score of 0 and those with the worst were assigned a score of 3.

The investigators added scores across all senses to create a summary score of multisensory function (0-12) and classified the participants into tertiles of good, medium, and poor. Individuals with a score of 0 would have good function in all senses, whereas those with 12 would have poor function in all senses. Those with medium scores could have a mix of impairments.

Participants with good multisensory function were more likely to be healthier than those with poor function. They were also significantly more likely to have completed high school (85.0% vs. 72.1%), were significantly less likely to have diabetes (16.9% vs. 27.9%), and were marginally less likely to have cardiovascular disease, high blood pressure, and history of stroke.

Investigators measured cognition using the Modified Mini-Mental State (3MS) examination, a test of global cognitive function, and the Digit Symbol Substitution Test (DSST), a measure of cognitive processing speed. Cognitive testing was carried out at the beginning of the study and repeated every other year.

Dementia was defined as the use of dementia medication, being hospitalized with dementia as a primary or secondary diagnosis, or having a 3MS score 1.5 standard deviations lower than the race-stratified Health ABC study baseline mean.

Over an average follow-up of 6.3 years, 18% of participants developed dementia.
 

Dose-response increase

Results showed that, with worsening multisensory function score, the risk for dementia increased in a dose-response manner. In models adjusted for demographics and health conditions, participants with a poor multisensory function score were more than twice as likely to develop dementia than those with a good score (hazard ratio, 2.05; 95% confidence interval, 1.50-2.81; P < .001). Those with a middle multisensory function score were 1.45 times more likely to develop dementia (HR, 1.45; 95% CI, 1.09-1.91; P < .001).

Even a 1-point worse multisensory function score was associated with a 14% higher risk for dementia (95% CI, 8%-21%), while a 4-point worse score was associated with 71% higher risk for dementia (95% CI, 38%-211%).

Smell was the sensory function most strongly associated with dementia risk. Participants whose sense of smell declined by 10% had a 19% higher risk for dementia versus a 1%-3% higher risk for declines in vision, hearing, and touch.

It is not clear why smell was a stronger determinant of dementia risk. However, loss of this sense is often considered to be a marker for Alzheimer’s disease “because it is closely linked with brain regions that are affected” in that disease, said Dr. Brenowitz.

However, that does not necessarily mean smell is more important than vision or hearing, she added. “Even if hearing and vision have a smaller contribution to dementia, they have a stronger potential for intervention.” The findings suggest “some additive or cumulative” effects for loss of the different senses. “There’s an association above and beyond those which can be attributed to individual sensory domains,” she said.
 

Frailty link

After including mobility, which is a potential mediator, estimates for the multisensory function score were slightly lower. “Walking speed is pretty strongly associated with dementia risk,” Dr. Brenowitz noted. Physical frailty might help explain the link between sensory impairment and dementia risk. “It’s not clear if that’s because people with dementia are declining or because people with frailty are especially vulnerable to dementia,” she said.

The researchers also assessed the role of social support, another potential mechanism by which sensory decline, especially in hearing and vision, could influence dementia risk. Although the study did not find substantial differences in social support measures, the investigators noted that questions assessing social support were limited in scope.

Interactions between multisensory function score and race, APOE e4 allele status, and sex were not significant.

Worsening multisensory function was also linked to faster annual rates of cognitive decline as measured by both the 3MS and DSST. Each 1-point worse score was associated with faster decline (P < .05), even after adjustment for demographics and health conditions.
 

Possible mechanisms

A number of possible mechanisms may explain the link between poor sensory function and dementia. It could be that neurodegeneration underlying dementia affects the senses, or vision and/or hearing loss leads to social isolation and poor mental health, which in turn could affect dementia risk, the researchers wrote. It also is possible that cardiovascular disease or diabetes affect both dementia risk and sensory impairment.

Dr. Brenowitz noted that, because cognitive tests rely on a certain degree of vision and hearing, impairment of these senses may complicate such tests. Still to be determined is whether correcting sensory impairments, such as wearing corrective lenses or hearing aids, affects dementia risk.

Meanwhile, it might be a good idea to more regularly check sensory function, especially vision and hearing, the researchers suggested. These functions affect various aspects of health and can be assessed rather easily. However, because smell is so strongly associated with dementia risk, Dr. Brenowitz said she would like to see it also become “part of a screening tool.”

A possible study limitation cited was that the researchers checked sensory function only once. “Most likely, some of these would change over time, but at least it captured sensory function at one point,” Dr. Brenowitz said.
 

 

 

“Sheds further light”

Commenting on the study, Jo V. Rushworth, PhD, associate professor and national teaching fellow, De Montfort University Leicester (England), said it “sheds further light on the emerging links” between multisensory impairment and cognitive decline leading to dementia. “The authors show that people with even mild loss of function in various senses are more likely to develop cognitive impairment.”

Dr. Rushworth was not involved with the study but has done research in the area.

The current results suggest that measuring patients’ hearing, vision, sense of smell, and touch might “flag at-risk groups” who could be targeted for dementia prevention strategies, Dr. Rushworth noted. Such tests are noninvasive and potentially less distressing than other methods of diagnosing dementia. “Importantly, the relatively low cost and simplicity of sensory tests offer the potential for more frequent testing and the use of these methods in areas of the world where medical facilities and resources are limited.”

This new study raises the question of whether the observed sensory impairments are a cause or an effect of dementia, Dr. Rushworth noted. “As the authors suggest, decreased sensory function can lead to a decrease in social engagement, mobility, and other factors which would usually contribute to counteracting cognitive decline.”

The study raises other questions, too, said Dr. Rushworth. She noted that the participants who experienced more severe sensory impairments were, on average, 2 years older than those with the least impairments. “To what degree were the observed sensory deficits linked to normal aging rather than dementia?”

As well, Dr. Rushworth pointed out that the molecular mechanisms that “kick-start” dementia are believed to occur in midlife – so possibly at an age younger than the study participants. “Do younger people of a ‘predementia’ age range display multisensory impairments?”

Because study participants could wear glasses during vision tests but were not allowed to wear hearing aids for the hearing tests, further standardization of sensory impairment is required, Dr. Rushworth said.

“Future studies will be essential in determining the value of clinical measurement of multisensory impairment as a possible dementia indicator and prevention strategy,” she concluded.

The study was funded by the National Institute on Aging, the National Institute of Nursing Research, and the Alzheimer’s Association. Dr. Brenowitz and Dr. Rushworth have reported no relevant financial relationships.

A version of this article originally appeared on Medscape.com.

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Risk stratification key in acute pulmonary embolism

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All intermediate-risk pulmonary embolism is not the same, Victor F. Tapson, MD, declared at HM20 Virtual, hosted by the Society of Hospital Medicine.

The best current guidelines on the management of acute pulmonary embolism (PE) recommend a risk stratification strategy that involves further subdivision of intermediate-risk PE into intermediate to low or intermediate to high risk. This additional classification is worthwhile because it has important treatment implications.

Patients with intermediate- to low-risk PE, along with those who have truly low-risk PE, require anticoagulation only. In contrast, patients with intermediate- to high-risk PE are at increased risk of decompensation. They have a much higher in-hospital mortality than those with intermediate- to low-risk PE. So hospitalists may want to consult their hospitals’ PE response team (PERT), if there is one, or whoever on staff is involved in helping make decisions about the appropriateness of more aggressive interventions, such as catheter-directed thrombolysis or catheter-directed clot extraction, said Dr. Tapson, director of the venous thromboembolism and pulmonary vascular disease research program at Cedars-Sinai Medical Center in Los Angeles.

“We don’t have evidence of any real proven mortality difference yet in the intermediate-high risk PE group by being more aggressive. I think if the right patients were studied we could see a mortality difference. But one thing I’ve noted is that by being more aggressive – in a cautious manner, in selected patients – we clearly shorten the hospital stay by doing catheter-directed therapy in some of these folks. It saves money,” he observed.

Once the diagnosis of PE is confirmed, the first priority is to get anticoagulation started in all patients with an acceptable bleeding risk, since there is convincing evidence that anticoagulation reduces mortality in PE. The 2019 European Society of Cardiology guidelines recommend a direct-acting oral anticoagulant over warfarin on the basis of persuasive evidence of lower risk of major bleeding coupled with equal or better effectiveness in preventing recurrent PE.

Dr. Tapson said it’s worthwhile for hospitalists to take a close look at these European guidelines (Eur Respir J. 2019 Oct 9. doi: 10.1183/13993003.01647-2019).

“I think our Europeans friends did a really nice job with those guidelines. They’re great guidelines, better than many of the others out there. I think they’re very, very usable,” he said. “I took part in the ACCP [American College of Chest Physicians] guidelines for years. I think they’re very rigorous in terms of the evidence base, but because they’re so rigorous there’s just tons of 2C recommendations, which are basically suggestions. The ESC guidelines are more robust.”
 

Risk stratification

Once anticoagulation is on board, the next task is risk stratification to determine the need for more aggressive therapy. A high-risk PE is best defined hemodynamically as one causing a systolic blood pressure below 90 mm Hg for at least 15 minutes. The term “high risk” is increasingly replacing “massive” PE, because the size of the clot doesn’t necessarily correlate with its hemodynamic impact.

An intermediate-risk PE is marked by a simplified Pulmonary Embolism Severity Index (sPESI) score of 1 or more, right ventricular dysfunction on echocardiography or CT angiography, or an elevated cardiac troponin level.

The sPESI is a validated, user-friendly tool that grants 1 point each for age over 80, background cardiopulmonary disease, a systolic blood pressure below 100 mm Hg, cancer, a heart rate of 110 bpm or more, and an oxygen saturation level below 90%.

“All you really need to know about a patient’s sPESI score is: Is it more than zero?” he explained.

Indeed, patients with an sPESI score of 0 have a 30-day mortality of 1%. With a score of 1 or more, however, that risk jumps to 10.9%.

No scoring system is 100% accurate, though, and Dr. Tapson emphasized that clinician gestalt plays an important role in PE risk stratification. In terms of clinical indicators of risk, he pays special attention to heart rate.

“I think if I had to pick the one thing that drives my decision the most about whether someone needs more aggressive therapy than anticoagulation, it’s probably heart rate,” he said. “If the heart rate is 70, the patient is probably very stable. Of course, that might not hold up in a patient with conduction problems or who is on a beta blocker, but in general if I see someone who looks good, has a relatively small PE, and a low heart rate, it makes me feel much better. If the heart rate is 130 or 120, I’m much more concerned.”

Both the European guidelines and the PERT Consortium guidelines on the diagnosis, treatment, and follow-up of acute PE (Clin Appl Thromb Hemost. 2019 Jun 17. doi: 10.1177/1076029619853037), which Dr. Tapson coauthored, recommend substratifying intermediate-risk PE into intermediate to low or intermediate to high risk. It’s a straightforward matter: If a patient has either right ventricular dysfunction on imaging or an elevated cardiac troponin, that’s an intermediate- to low-risk PE warranting anticoagulation only. On the other hand, if both right ventricular dysfunction and an elevated troponin are present, the patient has an intermediate- to high-risk PE. Since this distinction translates to a difference in outcome, a consultation with PERT or an experienced PE interventionalist is in order for the intermediate- to high-risk PE, he said.

Dr. Tapson reported receiving research funding from Bayer, Bristol-Myers Squibb, Janssen, BiO2, EKOS/BTG, and Daiichi. He is also a consultant to Janssen and BiO2, and on speakers’ bureaus for EKOS/BTG and Janssen.

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All intermediate-risk pulmonary embolism is not the same, Victor F. Tapson, MD, declared at HM20 Virtual, hosted by the Society of Hospital Medicine.

The best current guidelines on the management of acute pulmonary embolism (PE) recommend a risk stratification strategy that involves further subdivision of intermediate-risk PE into intermediate to low or intermediate to high risk. This additional classification is worthwhile because it has important treatment implications.

Patients with intermediate- to low-risk PE, along with those who have truly low-risk PE, require anticoagulation only. In contrast, patients with intermediate- to high-risk PE are at increased risk of decompensation. They have a much higher in-hospital mortality than those with intermediate- to low-risk PE. So hospitalists may want to consult their hospitals’ PE response team (PERT), if there is one, or whoever on staff is involved in helping make decisions about the appropriateness of more aggressive interventions, such as catheter-directed thrombolysis or catheter-directed clot extraction, said Dr. Tapson, director of the venous thromboembolism and pulmonary vascular disease research program at Cedars-Sinai Medical Center in Los Angeles.

“We don’t have evidence of any real proven mortality difference yet in the intermediate-high risk PE group by being more aggressive. I think if the right patients were studied we could see a mortality difference. But one thing I’ve noted is that by being more aggressive – in a cautious manner, in selected patients – we clearly shorten the hospital stay by doing catheter-directed therapy in some of these folks. It saves money,” he observed.

Once the diagnosis of PE is confirmed, the first priority is to get anticoagulation started in all patients with an acceptable bleeding risk, since there is convincing evidence that anticoagulation reduces mortality in PE. The 2019 European Society of Cardiology guidelines recommend a direct-acting oral anticoagulant over warfarin on the basis of persuasive evidence of lower risk of major bleeding coupled with equal or better effectiveness in preventing recurrent PE.

Dr. Tapson said it’s worthwhile for hospitalists to take a close look at these European guidelines (Eur Respir J. 2019 Oct 9. doi: 10.1183/13993003.01647-2019).

“I think our Europeans friends did a really nice job with those guidelines. They’re great guidelines, better than many of the others out there. I think they’re very, very usable,” he said. “I took part in the ACCP [American College of Chest Physicians] guidelines for years. I think they’re very rigorous in terms of the evidence base, but because they’re so rigorous there’s just tons of 2C recommendations, which are basically suggestions. The ESC guidelines are more robust.”
 

Risk stratification

Once anticoagulation is on board, the next task is risk stratification to determine the need for more aggressive therapy. A high-risk PE is best defined hemodynamically as one causing a systolic blood pressure below 90 mm Hg for at least 15 minutes. The term “high risk” is increasingly replacing “massive” PE, because the size of the clot doesn’t necessarily correlate with its hemodynamic impact.

An intermediate-risk PE is marked by a simplified Pulmonary Embolism Severity Index (sPESI) score of 1 or more, right ventricular dysfunction on echocardiography or CT angiography, or an elevated cardiac troponin level.

The sPESI is a validated, user-friendly tool that grants 1 point each for age over 80, background cardiopulmonary disease, a systolic blood pressure below 100 mm Hg, cancer, a heart rate of 110 bpm or more, and an oxygen saturation level below 90%.

“All you really need to know about a patient’s sPESI score is: Is it more than zero?” he explained.

Indeed, patients with an sPESI score of 0 have a 30-day mortality of 1%. With a score of 1 or more, however, that risk jumps to 10.9%.

No scoring system is 100% accurate, though, and Dr. Tapson emphasized that clinician gestalt plays an important role in PE risk stratification. In terms of clinical indicators of risk, he pays special attention to heart rate.

“I think if I had to pick the one thing that drives my decision the most about whether someone needs more aggressive therapy than anticoagulation, it’s probably heart rate,” he said. “If the heart rate is 70, the patient is probably very stable. Of course, that might not hold up in a patient with conduction problems or who is on a beta blocker, but in general if I see someone who looks good, has a relatively small PE, and a low heart rate, it makes me feel much better. If the heart rate is 130 or 120, I’m much more concerned.”

Both the European guidelines and the PERT Consortium guidelines on the diagnosis, treatment, and follow-up of acute PE (Clin Appl Thromb Hemost. 2019 Jun 17. doi: 10.1177/1076029619853037), which Dr. Tapson coauthored, recommend substratifying intermediate-risk PE into intermediate to low or intermediate to high risk. It’s a straightforward matter: If a patient has either right ventricular dysfunction on imaging or an elevated cardiac troponin, that’s an intermediate- to low-risk PE warranting anticoagulation only. On the other hand, if both right ventricular dysfunction and an elevated troponin are present, the patient has an intermediate- to high-risk PE. Since this distinction translates to a difference in outcome, a consultation with PERT or an experienced PE interventionalist is in order for the intermediate- to high-risk PE, he said.

Dr. Tapson reported receiving research funding from Bayer, Bristol-Myers Squibb, Janssen, BiO2, EKOS/BTG, and Daiichi. He is also a consultant to Janssen and BiO2, and on speakers’ bureaus for EKOS/BTG and Janssen.

All intermediate-risk pulmonary embolism is not the same, Victor F. Tapson, MD, declared at HM20 Virtual, hosted by the Society of Hospital Medicine.

The best current guidelines on the management of acute pulmonary embolism (PE) recommend a risk stratification strategy that involves further subdivision of intermediate-risk PE into intermediate to low or intermediate to high risk. This additional classification is worthwhile because it has important treatment implications.

Patients with intermediate- to low-risk PE, along with those who have truly low-risk PE, require anticoagulation only. In contrast, patients with intermediate- to high-risk PE are at increased risk of decompensation. They have a much higher in-hospital mortality than those with intermediate- to low-risk PE. So hospitalists may want to consult their hospitals’ PE response team (PERT), if there is one, or whoever on staff is involved in helping make decisions about the appropriateness of more aggressive interventions, such as catheter-directed thrombolysis or catheter-directed clot extraction, said Dr. Tapson, director of the venous thromboembolism and pulmonary vascular disease research program at Cedars-Sinai Medical Center in Los Angeles.

“We don’t have evidence of any real proven mortality difference yet in the intermediate-high risk PE group by being more aggressive. I think if the right patients were studied we could see a mortality difference. But one thing I’ve noted is that by being more aggressive – in a cautious manner, in selected patients – we clearly shorten the hospital stay by doing catheter-directed therapy in some of these folks. It saves money,” he observed.

Once the diagnosis of PE is confirmed, the first priority is to get anticoagulation started in all patients with an acceptable bleeding risk, since there is convincing evidence that anticoagulation reduces mortality in PE. The 2019 European Society of Cardiology guidelines recommend a direct-acting oral anticoagulant over warfarin on the basis of persuasive evidence of lower risk of major bleeding coupled with equal or better effectiveness in preventing recurrent PE.

Dr. Tapson said it’s worthwhile for hospitalists to take a close look at these European guidelines (Eur Respir J. 2019 Oct 9. doi: 10.1183/13993003.01647-2019).

“I think our Europeans friends did a really nice job with those guidelines. They’re great guidelines, better than many of the others out there. I think they’re very, very usable,” he said. “I took part in the ACCP [American College of Chest Physicians] guidelines for years. I think they’re very rigorous in terms of the evidence base, but because they’re so rigorous there’s just tons of 2C recommendations, which are basically suggestions. The ESC guidelines are more robust.”
 

Risk stratification

Once anticoagulation is on board, the next task is risk stratification to determine the need for more aggressive therapy. A high-risk PE is best defined hemodynamically as one causing a systolic blood pressure below 90 mm Hg for at least 15 minutes. The term “high risk” is increasingly replacing “massive” PE, because the size of the clot doesn’t necessarily correlate with its hemodynamic impact.

An intermediate-risk PE is marked by a simplified Pulmonary Embolism Severity Index (sPESI) score of 1 or more, right ventricular dysfunction on echocardiography or CT angiography, or an elevated cardiac troponin level.

The sPESI is a validated, user-friendly tool that grants 1 point each for age over 80, background cardiopulmonary disease, a systolic blood pressure below 100 mm Hg, cancer, a heart rate of 110 bpm or more, and an oxygen saturation level below 90%.

“All you really need to know about a patient’s sPESI score is: Is it more than zero?” he explained.

Indeed, patients with an sPESI score of 0 have a 30-day mortality of 1%. With a score of 1 or more, however, that risk jumps to 10.9%.

No scoring system is 100% accurate, though, and Dr. Tapson emphasized that clinician gestalt plays an important role in PE risk stratification. In terms of clinical indicators of risk, he pays special attention to heart rate.

“I think if I had to pick the one thing that drives my decision the most about whether someone needs more aggressive therapy than anticoagulation, it’s probably heart rate,” he said. “If the heart rate is 70, the patient is probably very stable. Of course, that might not hold up in a patient with conduction problems or who is on a beta blocker, but in general if I see someone who looks good, has a relatively small PE, and a low heart rate, it makes me feel much better. If the heart rate is 130 or 120, I’m much more concerned.”

Both the European guidelines and the PERT Consortium guidelines on the diagnosis, treatment, and follow-up of acute PE (Clin Appl Thromb Hemost. 2019 Jun 17. doi: 10.1177/1076029619853037), which Dr. Tapson coauthored, recommend substratifying intermediate-risk PE into intermediate to low or intermediate to high risk. It’s a straightforward matter: If a patient has either right ventricular dysfunction on imaging or an elevated cardiac troponin, that’s an intermediate- to low-risk PE warranting anticoagulation only. On the other hand, if both right ventricular dysfunction and an elevated troponin are present, the patient has an intermediate- to high-risk PE. Since this distinction translates to a difference in outcome, a consultation with PERT or an experienced PE interventionalist is in order for the intermediate- to high-risk PE, he said.

Dr. Tapson reported receiving research funding from Bayer, Bristol-Myers Squibb, Janssen, BiO2, EKOS/BTG, and Daiichi. He is also a consultant to Janssen and BiO2, and on speakers’ bureaus for EKOS/BTG and Janssen.

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Nonhealing Ulcerative Hand Wound

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The Diagnosis: Neutrophilic Dermatosis of the Dorsal Hands 

Microscopic specimen analysis demonstrated epidermal ulceration, a diffuse dermal neutrophilic infiltrate, and papillary edema (Figure) consistent with neutrophilic dermatosis of the dorsal hands (NDDH). Special stains and cultures were negative for bacterial and fungal organisms. The patient was treated with high-dose oral prednisone 80 mg daily for 1 week (tapered over the course of 7 weeks) and dapsone gel 5% twice daily with rapid wound resolution. An extensive review of systems, age-appropriate malignancy screening, and laboratory evaluation did not demonstrate underlying systemic illness, infection, or malignancy. 

A and B, Neutrophilic dermatosis of the dorsal hands. Diffuse neutrophilic infiltrate and fibrinoid debris (H&E, original magnifications ×100 and ×200).

Neutrophilic dermatosis of the dorsal hands commonly arises alongside traumatic injury and presents as a nonhealing hand wound.1 It is considered a localized variant of acute febrile neutrophilic dermatosis (Sweet syndrome), a systemic inflammatory condition characterized by fever, malaise, neutrophilia, and elevated inflammatory markers.1,2 Cutaneous lesions are variable and may include pustular nodules; tender, purulent, violaceous plaques with ulceration and crusting; or hemorrhagic bullae resembling coagulopathy or an infectious etiology.1,3 Leukocytoclastic vasculitis may present with bullous or ulcerative lesions and also histologically resembles NDDH.4 Although ulceration typically is not common in Sweet syndrome, the ulcerated lesions with elevated, edematous, and violaceous borders in our patient were characteristic of NDDH. 

Neutrophilic dermatosis of the dorsal hands, similar to Sweet syndrome, may arise along with malignancy, infection (eg, respiratory, gastrointestinal, hepatitis C virus), systemic illnesses (eg, inflammatory bowel disease, colitis, rheumatoid arthritis, Raynaud phenomenon), or environmental exposure (eg, fertilizer) or with the use of certain medications (eg, thalidomide, minocycline).1-3,5 Both solid tumors (eg, breast and lung carcinomas) as well as hematologic disturbances (eg, leukemia, myelodysplasia, lymphoma) have been associated with NDDH.1-3 Although NDDH appears to be idiopathic, all patients should undergo an extensive review of systems, laboratory evaluation, and age-appropriate malignancy screening.  

Given the rarity of NDDH, necrotic lesion appearance, and potential for secondary infection, patients often are misdiagnosed with infectious etiologies, including necrotizing fasciitis.1,3,6,7 Lesions of blastomycosislike pyoderma also may be pustular or ulcerative with elevated borders resembling NDDH.8 The pathogenesis of this rare condition remains uncertain. Although systemic antibiotics are a commonly utilized treatment modality, their efficacy may be primarily related to their anti-inflammatory properties.8  

Mycobacterium marinum is an aquatic nontuberculous mycobacterium that causes ulcerated, nodular, or pustular cutaneous granulomas that may resemble the lesions of NDDH.9 Similar to NDDH, lesions develop in areas of minor skin trauma, often on the upper extremities. At-risk individuals include those in frequent contact with aquatic environments, lending to the term fish tank granuloma. Diagnosis is made through culture, tissue biopsy, or the presence of acid-fast bacilli. Antibiotics such as doxycycline, surgical debridement, or cryotherapy are effective treatments.9  

Unlike infectious etiologies of similarly appearing lesions, primary lesions of NDDH are aseptic. Treatment with antibiotics is ineffective, and surgical intervention can result in devastating expansion of existing wounds as well as development of new lesions at surgical margins due to the pathergy effect and Koebner phenomenon.3,6 The initiation of systemic corticosteroids and/or dapsone results in prompt resolution of NDDH.1 In recalcitrant cases or when steroids are contraindicated, other medications may be used including dapsone, colchicine, potassium iodide, indomethacin, or biologics.

Atypical pyoderma gangrenosum is a bullous variant of pyoderma gangrenosum that is clinically and histologically indistinguishable from NDDH.2,10 Atypical pyoderma gangrenosum frequently presents on the upper extremities, exhibits a pathergy response to trauma, is associated with similar systemic diseases, and is treated identically to NDDH. There is some degree of uncertainty about the classification and pathophysiology of atypical pyoderma gangrenosum, NDDH, and Sweet syndrome. The compelling similarities may indicate that these cutaneous disorders represent a spectrum of the same disease.2,10 

Consideration of NDDH in the differential of nonhealing hand wounds is paramount to prevent progression and iatrogenic morbidity associated with delayed and missed diagnosis. Early recognition of NDDH may allow for earlier diagnosis of frequently associated systemic illnesses and malignancies.

References
  1. DiCaudo DJ, Connolly SM. Neutrophilic dermatosis (pustular vasculitis) of the dorsal hands: a report of 7 cases and review of the literature. Arch Dermatol. 2002;138:361-365. 
  2. Walling HW, Snipes CJ, Gerami P, et al. The relationship between neutrophilic dermatosis of the dorsal hands and Sweet syndrome: report of 9 cases and comparison to atypical pyoderma gangrenosum. Arch Dermatol. 2006;142:57-63. 
  3. Cheng AMY, Cheng HS, Smith BJ, et al. Neutrophilic dermatosis of the hands: a review of 17 cases. J Hand Surg Am. 2018;43:185.E1-185.E5. 
  4. Russell JP, Gibson LE. Primary cutaneous small vessel vasculitis: approach to diagnosis and treatment. Int J Dermatol. 2006;45:3-13. 
  5. Kaur S, Gupta D, Garg B, et al. Neutrophilic dermatosis of the dorsal hands. Indian Dermatol Online J. 2015;6:42-45. 
  6. Cooke-Norris RH, Youse JS, Gibson LE. Neutrophilic dermatosis of the hands: an underrecognized hematological condition that may result in unnecessary surgery. Am J Hematol. 2009;84:60-61. 
  7. Kroshinsky D, Alloo A, Rothschild B, et al. Necrotizing Sweet syndrome: a new variant of neutrophilic dermatosis mimicking necrotizing fasciitis. J Am Acad Dermatol. 2012;67:945-954.  
  8. Hongal AA, Gejje S. Blastomycosis-like pyoderma--a rare case report. J Clin Diagn Res. 2016;10:WD03-WD04.  
  9. Petrini B. Mycobacterium marinum: ubiquitous agent of waterborne granulomatous skin infections. Eur J Clin Microbiol Infect Dis. 2006;25:609-613. 
  10. Ahronowitz I, Harp J, Shinkai K. Etiology and management of pyoderma gangrenosum: a comprehensive review. Am J Clin Dermatol. 2012;13:191-211.
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Dr. Muller is from the Navy Experimental Diving Unit, Panama City Beach, Florida. Dr. Yetto is from the Naval Hospital, Bremerton, Washington.

The authors report no conflict of interest.

The views expressed herein are those of the authors and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, or US Government.

Correspondence: Imelda Muller, MD, Navy Experimental Diving Unit, 321 Bullfinch Rd, Panama City Beach, FL 32407 ([email protected]). 

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Dr. Muller is from the Navy Experimental Diving Unit, Panama City Beach, Florida. Dr. Yetto is from the Naval Hospital, Bremerton, Washington.

The authors report no conflict of interest.

The views expressed herein are those of the authors and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, or US Government.

Correspondence: Imelda Muller, MD, Navy Experimental Diving Unit, 321 Bullfinch Rd, Panama City Beach, FL 32407 ([email protected]). 

Author and Disclosure Information

Dr. Muller is from the Navy Experimental Diving Unit, Panama City Beach, Florida. Dr. Yetto is from the Naval Hospital, Bremerton, Washington.

The authors report no conflict of interest.

The views expressed herein are those of the authors and do not necessarily reflect the official policy or position of the Department of the Navy, Department of Defense, or US Government.

Correspondence: Imelda Muller, MD, Navy Experimental Diving Unit, 321 Bullfinch Rd, Panama City Beach, FL 32407 ([email protected]). 

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The Diagnosis: Neutrophilic Dermatosis of the Dorsal Hands 

Microscopic specimen analysis demonstrated epidermal ulceration, a diffuse dermal neutrophilic infiltrate, and papillary edema (Figure) consistent with neutrophilic dermatosis of the dorsal hands (NDDH). Special stains and cultures were negative for bacterial and fungal organisms. The patient was treated with high-dose oral prednisone 80 mg daily for 1 week (tapered over the course of 7 weeks) and dapsone gel 5% twice daily with rapid wound resolution. An extensive review of systems, age-appropriate malignancy screening, and laboratory evaluation did not demonstrate underlying systemic illness, infection, or malignancy. 

A and B, Neutrophilic dermatosis of the dorsal hands. Diffuse neutrophilic infiltrate and fibrinoid debris (H&E, original magnifications ×100 and ×200).

Neutrophilic dermatosis of the dorsal hands commonly arises alongside traumatic injury and presents as a nonhealing hand wound.1 It is considered a localized variant of acute febrile neutrophilic dermatosis (Sweet syndrome), a systemic inflammatory condition characterized by fever, malaise, neutrophilia, and elevated inflammatory markers.1,2 Cutaneous lesions are variable and may include pustular nodules; tender, purulent, violaceous plaques with ulceration and crusting; or hemorrhagic bullae resembling coagulopathy or an infectious etiology.1,3 Leukocytoclastic vasculitis may present with bullous or ulcerative lesions and also histologically resembles NDDH.4 Although ulceration typically is not common in Sweet syndrome, the ulcerated lesions with elevated, edematous, and violaceous borders in our patient were characteristic of NDDH. 

Neutrophilic dermatosis of the dorsal hands, similar to Sweet syndrome, may arise along with malignancy, infection (eg, respiratory, gastrointestinal, hepatitis C virus), systemic illnesses (eg, inflammatory bowel disease, colitis, rheumatoid arthritis, Raynaud phenomenon), or environmental exposure (eg, fertilizer) or with the use of certain medications (eg, thalidomide, minocycline).1-3,5 Both solid tumors (eg, breast and lung carcinomas) as well as hematologic disturbances (eg, leukemia, myelodysplasia, lymphoma) have been associated with NDDH.1-3 Although NDDH appears to be idiopathic, all patients should undergo an extensive review of systems, laboratory evaluation, and age-appropriate malignancy screening.  

Given the rarity of NDDH, necrotic lesion appearance, and potential for secondary infection, patients often are misdiagnosed with infectious etiologies, including necrotizing fasciitis.1,3,6,7 Lesions of blastomycosislike pyoderma also may be pustular or ulcerative with elevated borders resembling NDDH.8 The pathogenesis of this rare condition remains uncertain. Although systemic antibiotics are a commonly utilized treatment modality, their efficacy may be primarily related to their anti-inflammatory properties.8  

Mycobacterium marinum is an aquatic nontuberculous mycobacterium that causes ulcerated, nodular, or pustular cutaneous granulomas that may resemble the lesions of NDDH.9 Similar to NDDH, lesions develop in areas of minor skin trauma, often on the upper extremities. At-risk individuals include those in frequent contact with aquatic environments, lending to the term fish tank granuloma. Diagnosis is made through culture, tissue biopsy, or the presence of acid-fast bacilli. Antibiotics such as doxycycline, surgical debridement, or cryotherapy are effective treatments.9  

Unlike infectious etiologies of similarly appearing lesions, primary lesions of NDDH are aseptic. Treatment with antibiotics is ineffective, and surgical intervention can result in devastating expansion of existing wounds as well as development of new lesions at surgical margins due to the pathergy effect and Koebner phenomenon.3,6 The initiation of systemic corticosteroids and/or dapsone results in prompt resolution of NDDH.1 In recalcitrant cases or when steroids are contraindicated, other medications may be used including dapsone, colchicine, potassium iodide, indomethacin, or biologics.

Atypical pyoderma gangrenosum is a bullous variant of pyoderma gangrenosum that is clinically and histologically indistinguishable from NDDH.2,10 Atypical pyoderma gangrenosum frequently presents on the upper extremities, exhibits a pathergy response to trauma, is associated with similar systemic diseases, and is treated identically to NDDH. There is some degree of uncertainty about the classification and pathophysiology of atypical pyoderma gangrenosum, NDDH, and Sweet syndrome. The compelling similarities may indicate that these cutaneous disorders represent a spectrum of the same disease.2,10 

Consideration of NDDH in the differential of nonhealing hand wounds is paramount to prevent progression and iatrogenic morbidity associated with delayed and missed diagnosis. Early recognition of NDDH may allow for earlier diagnosis of frequently associated systemic illnesses and malignancies.

The Diagnosis: Neutrophilic Dermatosis of the Dorsal Hands 

Microscopic specimen analysis demonstrated epidermal ulceration, a diffuse dermal neutrophilic infiltrate, and papillary edema (Figure) consistent with neutrophilic dermatosis of the dorsal hands (NDDH). Special stains and cultures were negative for bacterial and fungal organisms. The patient was treated with high-dose oral prednisone 80 mg daily for 1 week (tapered over the course of 7 weeks) and dapsone gel 5% twice daily with rapid wound resolution. An extensive review of systems, age-appropriate malignancy screening, and laboratory evaluation did not demonstrate underlying systemic illness, infection, or malignancy. 

A and B, Neutrophilic dermatosis of the dorsal hands. Diffuse neutrophilic infiltrate and fibrinoid debris (H&E, original magnifications ×100 and ×200).

Neutrophilic dermatosis of the dorsal hands commonly arises alongside traumatic injury and presents as a nonhealing hand wound.1 It is considered a localized variant of acute febrile neutrophilic dermatosis (Sweet syndrome), a systemic inflammatory condition characterized by fever, malaise, neutrophilia, and elevated inflammatory markers.1,2 Cutaneous lesions are variable and may include pustular nodules; tender, purulent, violaceous plaques with ulceration and crusting; or hemorrhagic bullae resembling coagulopathy or an infectious etiology.1,3 Leukocytoclastic vasculitis may present with bullous or ulcerative lesions and also histologically resembles NDDH.4 Although ulceration typically is not common in Sweet syndrome, the ulcerated lesions with elevated, edematous, and violaceous borders in our patient were characteristic of NDDH. 

Neutrophilic dermatosis of the dorsal hands, similar to Sweet syndrome, may arise along with malignancy, infection (eg, respiratory, gastrointestinal, hepatitis C virus), systemic illnesses (eg, inflammatory bowel disease, colitis, rheumatoid arthritis, Raynaud phenomenon), or environmental exposure (eg, fertilizer) or with the use of certain medications (eg, thalidomide, minocycline).1-3,5 Both solid tumors (eg, breast and lung carcinomas) as well as hematologic disturbances (eg, leukemia, myelodysplasia, lymphoma) have been associated with NDDH.1-3 Although NDDH appears to be idiopathic, all patients should undergo an extensive review of systems, laboratory evaluation, and age-appropriate malignancy screening.  

Given the rarity of NDDH, necrotic lesion appearance, and potential for secondary infection, patients often are misdiagnosed with infectious etiologies, including necrotizing fasciitis.1,3,6,7 Lesions of blastomycosislike pyoderma also may be pustular or ulcerative with elevated borders resembling NDDH.8 The pathogenesis of this rare condition remains uncertain. Although systemic antibiotics are a commonly utilized treatment modality, their efficacy may be primarily related to their anti-inflammatory properties.8  

Mycobacterium marinum is an aquatic nontuberculous mycobacterium that causes ulcerated, nodular, or pustular cutaneous granulomas that may resemble the lesions of NDDH.9 Similar to NDDH, lesions develop in areas of minor skin trauma, often on the upper extremities. At-risk individuals include those in frequent contact with aquatic environments, lending to the term fish tank granuloma. Diagnosis is made through culture, tissue biopsy, or the presence of acid-fast bacilli. Antibiotics such as doxycycline, surgical debridement, or cryotherapy are effective treatments.9  

Unlike infectious etiologies of similarly appearing lesions, primary lesions of NDDH are aseptic. Treatment with antibiotics is ineffective, and surgical intervention can result in devastating expansion of existing wounds as well as development of new lesions at surgical margins due to the pathergy effect and Koebner phenomenon.3,6 The initiation of systemic corticosteroids and/or dapsone results in prompt resolution of NDDH.1 In recalcitrant cases or when steroids are contraindicated, other medications may be used including dapsone, colchicine, potassium iodide, indomethacin, or biologics.

Atypical pyoderma gangrenosum is a bullous variant of pyoderma gangrenosum that is clinically and histologically indistinguishable from NDDH.2,10 Atypical pyoderma gangrenosum frequently presents on the upper extremities, exhibits a pathergy response to trauma, is associated with similar systemic diseases, and is treated identically to NDDH. There is some degree of uncertainty about the classification and pathophysiology of atypical pyoderma gangrenosum, NDDH, and Sweet syndrome. The compelling similarities may indicate that these cutaneous disorders represent a spectrum of the same disease.2,10 

Consideration of NDDH in the differential of nonhealing hand wounds is paramount to prevent progression and iatrogenic morbidity associated with delayed and missed diagnosis. Early recognition of NDDH may allow for earlier diagnosis of frequently associated systemic illnesses and malignancies.

References
  1. DiCaudo DJ, Connolly SM. Neutrophilic dermatosis (pustular vasculitis) of the dorsal hands: a report of 7 cases and review of the literature. Arch Dermatol. 2002;138:361-365. 
  2. Walling HW, Snipes CJ, Gerami P, et al. The relationship between neutrophilic dermatosis of the dorsal hands and Sweet syndrome: report of 9 cases and comparison to atypical pyoderma gangrenosum. Arch Dermatol. 2006;142:57-63. 
  3. Cheng AMY, Cheng HS, Smith BJ, et al. Neutrophilic dermatosis of the hands: a review of 17 cases. J Hand Surg Am. 2018;43:185.E1-185.E5. 
  4. Russell JP, Gibson LE. Primary cutaneous small vessel vasculitis: approach to diagnosis and treatment. Int J Dermatol. 2006;45:3-13. 
  5. Kaur S, Gupta D, Garg B, et al. Neutrophilic dermatosis of the dorsal hands. Indian Dermatol Online J. 2015;6:42-45. 
  6. Cooke-Norris RH, Youse JS, Gibson LE. Neutrophilic dermatosis of the hands: an underrecognized hematological condition that may result in unnecessary surgery. Am J Hematol. 2009;84:60-61. 
  7. Kroshinsky D, Alloo A, Rothschild B, et al. Necrotizing Sweet syndrome: a new variant of neutrophilic dermatosis mimicking necrotizing fasciitis. J Am Acad Dermatol. 2012;67:945-954.  
  8. Hongal AA, Gejje S. Blastomycosis-like pyoderma--a rare case report. J Clin Diagn Res. 2016;10:WD03-WD04.  
  9. Petrini B. Mycobacterium marinum: ubiquitous agent of waterborne granulomatous skin infections. Eur J Clin Microbiol Infect Dis. 2006;25:609-613. 
  10. Ahronowitz I, Harp J, Shinkai K. Etiology and management of pyoderma gangrenosum: a comprehensive review. Am J Clin Dermatol. 2012;13:191-211.
References
  1. DiCaudo DJ, Connolly SM. Neutrophilic dermatosis (pustular vasculitis) of the dorsal hands: a report of 7 cases and review of the literature. Arch Dermatol. 2002;138:361-365. 
  2. Walling HW, Snipes CJ, Gerami P, et al. The relationship between neutrophilic dermatosis of the dorsal hands and Sweet syndrome: report of 9 cases and comparison to atypical pyoderma gangrenosum. Arch Dermatol. 2006;142:57-63. 
  3. Cheng AMY, Cheng HS, Smith BJ, et al. Neutrophilic dermatosis of the hands: a review of 17 cases. J Hand Surg Am. 2018;43:185.E1-185.E5. 
  4. Russell JP, Gibson LE. Primary cutaneous small vessel vasculitis: approach to diagnosis and treatment. Int J Dermatol. 2006;45:3-13. 
  5. Kaur S, Gupta D, Garg B, et al. Neutrophilic dermatosis of the dorsal hands. Indian Dermatol Online J. 2015;6:42-45. 
  6. Cooke-Norris RH, Youse JS, Gibson LE. Neutrophilic dermatosis of the hands: an underrecognized hematological condition that may result in unnecessary surgery. Am J Hematol. 2009;84:60-61. 
  7. Kroshinsky D, Alloo A, Rothschild B, et al. Necrotizing Sweet syndrome: a new variant of neutrophilic dermatosis mimicking necrotizing fasciitis. J Am Acad Dermatol. 2012;67:945-954.  
  8. Hongal AA, Gejje S. Blastomycosis-like pyoderma--a rare case report. J Clin Diagn Res. 2016;10:WD03-WD04.  
  9. Petrini B. Mycobacterium marinum: ubiquitous agent of waterborne granulomatous skin infections. Eur J Clin Microbiol Infect Dis. 2006;25:609-613. 
  10. Ahronowitz I, Harp J, Shinkai K. Etiology and management of pyoderma gangrenosum: a comprehensive review. Am J Clin Dermatol. 2012;13:191-211.
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A 63-year-old man presented with an expanding wound on the dorsal aspect of the left hand after striking it on a wall. He sustained a small laceration that progressively became more edematous and developed a violaceous border. He presented to the emergency department the following day and was prescribed bacitracin with no improvement in the lesion. He returned to the emergency department after the symptoms worsened and was subsequently prescribed a 10-day course of oral trimethoprim-sulfamethoxazole (1600/320 mg) twice daily. Physical examination at a follow-up visit 11 days after the initial injury revealed an expanding, 4.3×5.0-cm, ulcerated wound with surrounding erythema and serosanguineous drainage (left). He was started on a 10-day course of amoxicillin–clavulanic acid (1750/250 mg) twice daily and underwent debridement the same day. On postoperative day 2 (13 days following the onset of symptoms), the wound had not improved, and 2 new 1-cm bullae on the left first and second fingers had progressed (right). Erythrocyte sedimentation rate (33 mm/h [reference range, 0–10 mm/h]) and C-reactive protein (3.701 mg/dL [reference range, 0–0.747 mg/dL]) were elevated; however, other laboratory studies, including a complete blood cell count, were within reference range. He remained afebrile, and a review of systems was normal. Punch biopsy specimens were obtained.

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Action and awareness are needed to increase immunization rates

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August was National Immunization Awareness Month. ... just in time to address the precipitous drop in immunization delivered during the early months of the pandemic.

FatCamera/Getty Images

In May, the Centers for Disease Control and Prevention reported substantial reductions in vaccine doses ordered through the Vaccines for Children program after the declaration of national emergency because of COVID-19 on March 13. Approximately 2.5 million fewer doses of routine, noninfluenza vaccines were administered between Jan. 6 and April 2020, compared with a similar period last year (MMWR Morb Mortal Wkly Rep. 2020 May 15;69[19]:591-3). Declines in immunization rates were echoed by states and municipalities across the United States. Last month, the health system in which I work reported 40,000 children behind on at least one vaccine.

We all know that, when immunization rates drop, outbreaks of vaccine-preventable diseases follow. In order to avert another public health crisis, we need action as well as awareness to catch up with childhood immunizations, and that is going to take more than a single month.
 

Identify patients who’ve missed vaccinations

Simply being open and ready to vaccinate is not enough. The Centers for Disease Control and Prevention urges providers to identify patients who have missed vaccines, and call them to schedule in-person visits. Proactively let parents know about strategies implemented in your office to ensure a safe environment.

Pediatricians are accustomed to an influx of patients in the summer, as parents make sure their children have all of the vaccines required for school attendance. As noted in a Washington Post article from Aug. 4, 2020, schools have traditionally served as a backstop for immunization rates. But as many school districts opt to take education online this fall, the implications for vaccine requirements are unclear. District of Columbia public schools continue to require immunization for virtual school attendance, but it is not clear how easily this can be enforced. To read about how other school districts have chosen to address – or not address – immunization requirements for school, visit the the Immunization Action Coalition’s Repository of Resources for Maintaining Immunization during the COVID-19 Pandemic. The repository links to international, national, and state-level policies and guidance and advocacy materials, including talking points, webinars, press releases, media articles from around the United States and social media posts, as well as telehealth resources.
 

Get some inspiration to talk about vaccination

Need a little inspiration for talking to parents about vaccines? Check out the CDC’s #HowIRecommend video series. These are short videos, most under a minute in length, that explain the importance of vaccination, how to effectively address questions from parents about vaccine safety, and how clinicians routinely recommend same day vaccination to their patients. These videos are part of the CDC’s National Immunization Awareness Month (NIAM) toolkit for communication with health care professionals. A companion toolkit for communicating with parents and patients contains sample social media messages with graphics, along with educational resources to share with parents.

Dr. Kristina A. Bryant

The “Comprehensive Vaccine Education Program – From Training to Practice,” a free online program offered by the Pediatric Infectious Diseases Society, takes a deeper dive into strategies to combat vaccine misinformation and address vaccine hesitancy. Available modules cover vaccine fundamentals, vaccine safety, clinical manifestations of vaccine-preventable diseases, and communication skills that lead to more effective conversations with patients and parents. The curriculum also includes the newest edition of The Vaccine Handbook app, a comprehensive source of practical information for vaccine providers.
 

 

 

Educate young children about vaccines

Don’t leave young children out of the conversation. Vax-Force is a children’s book that explores how vaccination works inside the human body. Dr. Vaxson the pediatrician explains how trusted doctors and scientists made Vicky the Vaccine. Her mission is to tell Willy the White Blood Cell and his Antibuddies how to find and fight bad-guy germs like measles, tetanus, and polio. The book was written by Kelsey Rowe, MD, while she was a medical student at Saint Louis University School of Medicine. Dr. Rowe, now a pediatric resident, notes, “In a world where anti-vaccination rhetoric threatens the health of our global community, this book’s mission is to teach children and adults alike that getting vaccinations is a safe, effective, and even exciting thing to do.” The book is available for purchase at https://www.vax-force.com/, and a small part of every sale is donated to Unicef USA.
 

Consider vaccination advocacy in your communities

Vaccinate Your Family, a national, nonprofit organization dedicated to protecting people of all ages from vaccine-preventable diseases, suggests that health care providers need to take an active role in raising immunization rates, not just in their own practices, but in their communities. One way to do this is to submit an opinion piece or letter to the editor to a local newspaper describing why it’s important for parents to make sure their child’s immunizations are current. Those who have never written an opinion-editorial should look at the guidance developed by Voices for Vaccines.
 

How are we doing?

Early data suggest a rebound in immunization rates in May and June, but that is unlikely to close the gap created by disruptions in health care delivery earlier in the year. Collectively, we need to set ambitious goals. Are we just trying to reach prepandemic immunization levels? In Kentucky, where I practice, only 71% of kids aged 19-45 months had received all doses of seven routinely recommended vaccines (≥4 DTaP doses, ≥3 polio doses, ≥1 MMR dose, Hib full series, ≥3 HepB doses, ≥1 varicella dose, and ≥4 PCV doses) based on 2017 National Immunization Survey data. The Healthy People 2020 target goal is 80%. Only 55% of Kentucky girls aged 13-17 years received at least one dose of HPV vaccine, and rates in boys were even lower. Flu vaccine coverage in children 6 months to 17 years also was 55%. The status quo sets the bar too low. To see how your state is doing, check out the interactive map developed by the American Academy of Pediatrics.

Are we attempting to avoid disaster or can we seize the opportunity to protect more children than ever from vaccine-preventable diseases? The latter would really be something to celebrate.
 

Dr. Bryant is a pediatrician specializing in infectious diseases at the University of Louisville (Ky.) and Norton Children’s Hospital, also in Louisville. She said she had no relevant financial disclosures. Email her at [email protected].

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August was National Immunization Awareness Month. ... just in time to address the precipitous drop in immunization delivered during the early months of the pandemic.

FatCamera/Getty Images

In May, the Centers for Disease Control and Prevention reported substantial reductions in vaccine doses ordered through the Vaccines for Children program after the declaration of national emergency because of COVID-19 on March 13. Approximately 2.5 million fewer doses of routine, noninfluenza vaccines were administered between Jan. 6 and April 2020, compared with a similar period last year (MMWR Morb Mortal Wkly Rep. 2020 May 15;69[19]:591-3). Declines in immunization rates were echoed by states and municipalities across the United States. Last month, the health system in which I work reported 40,000 children behind on at least one vaccine.

We all know that, when immunization rates drop, outbreaks of vaccine-preventable diseases follow. In order to avert another public health crisis, we need action as well as awareness to catch up with childhood immunizations, and that is going to take more than a single month.
 

Identify patients who’ve missed vaccinations

Simply being open and ready to vaccinate is not enough. The Centers for Disease Control and Prevention urges providers to identify patients who have missed vaccines, and call them to schedule in-person visits. Proactively let parents know about strategies implemented in your office to ensure a safe environment.

Pediatricians are accustomed to an influx of patients in the summer, as parents make sure their children have all of the vaccines required for school attendance. As noted in a Washington Post article from Aug. 4, 2020, schools have traditionally served as a backstop for immunization rates. But as many school districts opt to take education online this fall, the implications for vaccine requirements are unclear. District of Columbia public schools continue to require immunization for virtual school attendance, but it is not clear how easily this can be enforced. To read about how other school districts have chosen to address – or not address – immunization requirements for school, visit the the Immunization Action Coalition’s Repository of Resources for Maintaining Immunization during the COVID-19 Pandemic. The repository links to international, national, and state-level policies and guidance and advocacy materials, including talking points, webinars, press releases, media articles from around the United States and social media posts, as well as telehealth resources.
 

Get some inspiration to talk about vaccination

Need a little inspiration for talking to parents about vaccines? Check out the CDC’s #HowIRecommend video series. These are short videos, most under a minute in length, that explain the importance of vaccination, how to effectively address questions from parents about vaccine safety, and how clinicians routinely recommend same day vaccination to their patients. These videos are part of the CDC’s National Immunization Awareness Month (NIAM) toolkit for communication with health care professionals. A companion toolkit for communicating with parents and patients contains sample social media messages with graphics, along with educational resources to share with parents.

Dr. Kristina A. Bryant

The “Comprehensive Vaccine Education Program – From Training to Practice,” a free online program offered by the Pediatric Infectious Diseases Society, takes a deeper dive into strategies to combat vaccine misinformation and address vaccine hesitancy. Available modules cover vaccine fundamentals, vaccine safety, clinical manifestations of vaccine-preventable diseases, and communication skills that lead to more effective conversations with patients and parents. The curriculum also includes the newest edition of The Vaccine Handbook app, a comprehensive source of practical information for vaccine providers.
 

 

 

Educate young children about vaccines

Don’t leave young children out of the conversation. Vax-Force is a children’s book that explores how vaccination works inside the human body. Dr. Vaxson the pediatrician explains how trusted doctors and scientists made Vicky the Vaccine. Her mission is to tell Willy the White Blood Cell and his Antibuddies how to find and fight bad-guy germs like measles, tetanus, and polio. The book was written by Kelsey Rowe, MD, while she was a medical student at Saint Louis University School of Medicine. Dr. Rowe, now a pediatric resident, notes, “In a world where anti-vaccination rhetoric threatens the health of our global community, this book’s mission is to teach children and adults alike that getting vaccinations is a safe, effective, and even exciting thing to do.” The book is available for purchase at https://www.vax-force.com/, and a small part of every sale is donated to Unicef USA.
 

Consider vaccination advocacy in your communities

Vaccinate Your Family, a national, nonprofit organization dedicated to protecting people of all ages from vaccine-preventable diseases, suggests that health care providers need to take an active role in raising immunization rates, not just in their own practices, but in their communities. One way to do this is to submit an opinion piece or letter to the editor to a local newspaper describing why it’s important for parents to make sure their child’s immunizations are current. Those who have never written an opinion-editorial should look at the guidance developed by Voices for Vaccines.
 

How are we doing?

Early data suggest a rebound in immunization rates in May and June, but that is unlikely to close the gap created by disruptions in health care delivery earlier in the year. Collectively, we need to set ambitious goals. Are we just trying to reach prepandemic immunization levels? In Kentucky, where I practice, only 71% of kids aged 19-45 months had received all doses of seven routinely recommended vaccines (≥4 DTaP doses, ≥3 polio doses, ≥1 MMR dose, Hib full series, ≥3 HepB doses, ≥1 varicella dose, and ≥4 PCV doses) based on 2017 National Immunization Survey data. The Healthy People 2020 target goal is 80%. Only 55% of Kentucky girls aged 13-17 years received at least one dose of HPV vaccine, and rates in boys were even lower. Flu vaccine coverage in children 6 months to 17 years also was 55%. The status quo sets the bar too low. To see how your state is doing, check out the interactive map developed by the American Academy of Pediatrics.

Are we attempting to avoid disaster or can we seize the opportunity to protect more children than ever from vaccine-preventable diseases? The latter would really be something to celebrate.
 

Dr. Bryant is a pediatrician specializing in infectious diseases at the University of Louisville (Ky.) and Norton Children’s Hospital, also in Louisville. She said she had no relevant financial disclosures. Email her at [email protected].

August was National Immunization Awareness Month. ... just in time to address the precipitous drop in immunization delivered during the early months of the pandemic.

FatCamera/Getty Images

In May, the Centers for Disease Control and Prevention reported substantial reductions in vaccine doses ordered through the Vaccines for Children program after the declaration of national emergency because of COVID-19 on March 13. Approximately 2.5 million fewer doses of routine, noninfluenza vaccines were administered between Jan. 6 and April 2020, compared with a similar period last year (MMWR Morb Mortal Wkly Rep. 2020 May 15;69[19]:591-3). Declines in immunization rates were echoed by states and municipalities across the United States. Last month, the health system in which I work reported 40,000 children behind on at least one vaccine.

We all know that, when immunization rates drop, outbreaks of vaccine-preventable diseases follow. In order to avert another public health crisis, we need action as well as awareness to catch up with childhood immunizations, and that is going to take more than a single month.
 

Identify patients who’ve missed vaccinations

Simply being open and ready to vaccinate is not enough. The Centers for Disease Control and Prevention urges providers to identify patients who have missed vaccines, and call them to schedule in-person visits. Proactively let parents know about strategies implemented in your office to ensure a safe environment.

Pediatricians are accustomed to an influx of patients in the summer, as parents make sure their children have all of the vaccines required for school attendance. As noted in a Washington Post article from Aug. 4, 2020, schools have traditionally served as a backstop for immunization rates. But as many school districts opt to take education online this fall, the implications for vaccine requirements are unclear. District of Columbia public schools continue to require immunization for virtual school attendance, but it is not clear how easily this can be enforced. To read about how other school districts have chosen to address – or not address – immunization requirements for school, visit the the Immunization Action Coalition’s Repository of Resources for Maintaining Immunization during the COVID-19 Pandemic. The repository links to international, national, and state-level policies and guidance and advocacy materials, including talking points, webinars, press releases, media articles from around the United States and social media posts, as well as telehealth resources.
 

Get some inspiration to talk about vaccination

Need a little inspiration for talking to parents about vaccines? Check out the CDC’s #HowIRecommend video series. These are short videos, most under a minute in length, that explain the importance of vaccination, how to effectively address questions from parents about vaccine safety, and how clinicians routinely recommend same day vaccination to their patients. These videos are part of the CDC’s National Immunization Awareness Month (NIAM) toolkit for communication with health care professionals. A companion toolkit for communicating with parents and patients contains sample social media messages with graphics, along with educational resources to share with parents.

Dr. Kristina A. Bryant

The “Comprehensive Vaccine Education Program – From Training to Practice,” a free online program offered by the Pediatric Infectious Diseases Society, takes a deeper dive into strategies to combat vaccine misinformation and address vaccine hesitancy. Available modules cover vaccine fundamentals, vaccine safety, clinical manifestations of vaccine-preventable diseases, and communication skills that lead to more effective conversations with patients and parents. The curriculum also includes the newest edition of The Vaccine Handbook app, a comprehensive source of practical information for vaccine providers.
 

 

 

Educate young children about vaccines

Don’t leave young children out of the conversation. Vax-Force is a children’s book that explores how vaccination works inside the human body. Dr. Vaxson the pediatrician explains how trusted doctors and scientists made Vicky the Vaccine. Her mission is to tell Willy the White Blood Cell and his Antibuddies how to find and fight bad-guy germs like measles, tetanus, and polio. The book was written by Kelsey Rowe, MD, while she was a medical student at Saint Louis University School of Medicine. Dr. Rowe, now a pediatric resident, notes, “In a world where anti-vaccination rhetoric threatens the health of our global community, this book’s mission is to teach children and adults alike that getting vaccinations is a safe, effective, and even exciting thing to do.” The book is available for purchase at https://www.vax-force.com/, and a small part of every sale is donated to Unicef USA.
 

Consider vaccination advocacy in your communities

Vaccinate Your Family, a national, nonprofit organization dedicated to protecting people of all ages from vaccine-preventable diseases, suggests that health care providers need to take an active role in raising immunization rates, not just in their own practices, but in their communities. One way to do this is to submit an opinion piece or letter to the editor to a local newspaper describing why it’s important for parents to make sure their child’s immunizations are current. Those who have never written an opinion-editorial should look at the guidance developed by Voices for Vaccines.
 

How are we doing?

Early data suggest a rebound in immunization rates in May and June, but that is unlikely to close the gap created by disruptions in health care delivery earlier in the year. Collectively, we need to set ambitious goals. Are we just trying to reach prepandemic immunization levels? In Kentucky, where I practice, only 71% of kids aged 19-45 months had received all doses of seven routinely recommended vaccines (≥4 DTaP doses, ≥3 polio doses, ≥1 MMR dose, Hib full series, ≥3 HepB doses, ≥1 varicella dose, and ≥4 PCV doses) based on 2017 National Immunization Survey data. The Healthy People 2020 target goal is 80%. Only 55% of Kentucky girls aged 13-17 years received at least one dose of HPV vaccine, and rates in boys were even lower. Flu vaccine coverage in children 6 months to 17 years also was 55%. The status quo sets the bar too low. To see how your state is doing, check out the interactive map developed by the American Academy of Pediatrics.

Are we attempting to avoid disaster or can we seize the opportunity to protect more children than ever from vaccine-preventable diseases? The latter would really be something to celebrate.
 

Dr. Bryant is a pediatrician specializing in infectious diseases at the University of Louisville (Ky.) and Norton Children’s Hospital, also in Louisville. She said she had no relevant financial disclosures. Email her at [email protected].

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FDA approves viltolarsen (Viltepso) for Duchenne muscular dystrophy

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The Food and Drug Administration has approved  viltolarsen (Viltepso, NS Pharma), the second drug therapy for Duchenne muscular dystrophy in patients with a confirmed mutation amenable to exon 53 skipping. The FDA approved golodirsen (Vyondys 53, Sarepta Therapeutics) for this indication last year.  

“The FDA is committed to fostering drug development for serious neurological disorders like Duchenne muscular dystrophy,” Billy Dunn, MD, director, Office of Neuroscience of the FDA’s Center for Drug Evaluation and Research, said in a statement.

The approval of viltolarsen provides “an important treatment option for Duchenne muscular dystrophy patients with this confirmed mutation,” Dr. Dunn said.

Viltolarsen is an antisense oligonucleotide that promotes production of functional dystrophin by masking exon 53 in the dystrophin gene. It was evaluated in two studies involving 32 male patients.

In one study of 16 patients, the increase in dystrophin production was established in eight patients receiving viltolarsen at the recommended dose. In this study, dystrophin levels increased, on average, from 0.6% of normal at baseline to 5.9% of normal at week 25.

The increase in dystrophin production is “reasonably likely to predict clinical benefit,” but a “clinical benefit of the drug has not been established,” the FDA said.

In making the decision, the FDA considered the potential risks associated with the drug, the life-threatening and debilitating nature of the disease, and the lack of available therapies.

Viltolarsen was approved under the FDA’s accelerated approval pathway, which provides for the approval of drugs that treat serious or life-threatening diseases and generally offer a meaningful advantage over existing treatments.

As part of the accelerated approval, the FDA requires the company to do a clinical trial to confirm the drug’s clinical benefit. If the trial fails to verify clinical benefit, the FDA may start proceedings to withdraw approval of the drug, the agency said.

The most common side effects with viltolarsen are upper respiratory tract infection, injection-site reaction, cough, and fever.

Kidney toxicity was not observed in the clinical studies, but the clinical experience with the drug is limited, and kidney toxicity, including potentially fatal glomerulonephritis, has been observed with some antisense oligonucleotides.

“Kidney function should be monitored in patients taking Viltepso,” the FDA advises.

A version of this article originally appeared on Medscape.com.

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The Food and Drug Administration has approved  viltolarsen (Viltepso, NS Pharma), the second drug therapy for Duchenne muscular dystrophy in patients with a confirmed mutation amenable to exon 53 skipping. The FDA approved golodirsen (Vyondys 53, Sarepta Therapeutics) for this indication last year.  

“The FDA is committed to fostering drug development for serious neurological disorders like Duchenne muscular dystrophy,” Billy Dunn, MD, director, Office of Neuroscience of the FDA’s Center for Drug Evaluation and Research, said in a statement.

The approval of viltolarsen provides “an important treatment option for Duchenne muscular dystrophy patients with this confirmed mutation,” Dr. Dunn said.

Viltolarsen is an antisense oligonucleotide that promotes production of functional dystrophin by masking exon 53 in the dystrophin gene. It was evaluated in two studies involving 32 male patients.

In one study of 16 patients, the increase in dystrophin production was established in eight patients receiving viltolarsen at the recommended dose. In this study, dystrophin levels increased, on average, from 0.6% of normal at baseline to 5.9% of normal at week 25.

The increase in dystrophin production is “reasonably likely to predict clinical benefit,” but a “clinical benefit of the drug has not been established,” the FDA said.

In making the decision, the FDA considered the potential risks associated with the drug, the life-threatening and debilitating nature of the disease, and the lack of available therapies.

Viltolarsen was approved under the FDA’s accelerated approval pathway, which provides for the approval of drugs that treat serious or life-threatening diseases and generally offer a meaningful advantage over existing treatments.

As part of the accelerated approval, the FDA requires the company to do a clinical trial to confirm the drug’s clinical benefit. If the trial fails to verify clinical benefit, the FDA may start proceedings to withdraw approval of the drug, the agency said.

The most common side effects with viltolarsen are upper respiratory tract infection, injection-site reaction, cough, and fever.

Kidney toxicity was not observed in the clinical studies, but the clinical experience with the drug is limited, and kidney toxicity, including potentially fatal glomerulonephritis, has been observed with some antisense oligonucleotides.

“Kidney function should be monitored in patients taking Viltepso,” the FDA advises.

A version of this article originally appeared on Medscape.com.

The Food and Drug Administration has approved  viltolarsen (Viltepso, NS Pharma), the second drug therapy for Duchenne muscular dystrophy in patients with a confirmed mutation amenable to exon 53 skipping. The FDA approved golodirsen (Vyondys 53, Sarepta Therapeutics) for this indication last year.  

“The FDA is committed to fostering drug development for serious neurological disorders like Duchenne muscular dystrophy,” Billy Dunn, MD, director, Office of Neuroscience of the FDA’s Center for Drug Evaluation and Research, said in a statement.

The approval of viltolarsen provides “an important treatment option for Duchenne muscular dystrophy patients with this confirmed mutation,” Dr. Dunn said.

Viltolarsen is an antisense oligonucleotide that promotes production of functional dystrophin by masking exon 53 in the dystrophin gene. It was evaluated in two studies involving 32 male patients.

In one study of 16 patients, the increase in dystrophin production was established in eight patients receiving viltolarsen at the recommended dose. In this study, dystrophin levels increased, on average, from 0.6% of normal at baseline to 5.9% of normal at week 25.

The increase in dystrophin production is “reasonably likely to predict clinical benefit,” but a “clinical benefit of the drug has not been established,” the FDA said.

In making the decision, the FDA considered the potential risks associated with the drug, the life-threatening and debilitating nature of the disease, and the lack of available therapies.

Viltolarsen was approved under the FDA’s accelerated approval pathway, which provides for the approval of drugs that treat serious or life-threatening diseases and generally offer a meaningful advantage over existing treatments.

As part of the accelerated approval, the FDA requires the company to do a clinical trial to confirm the drug’s clinical benefit. If the trial fails to verify clinical benefit, the FDA may start proceedings to withdraw approval of the drug, the agency said.

The most common side effects with viltolarsen are upper respiratory tract infection, injection-site reaction, cough, and fever.

Kidney toxicity was not observed in the clinical studies, but the clinical experience with the drug is limited, and kidney toxicity, including potentially fatal glomerulonephritis, has been observed with some antisense oligonucleotides.

“Kidney function should be monitored in patients taking Viltepso,” the FDA advises.

A version of this article originally appeared on Medscape.com.

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PHM20 Virtual: Common incidental findings seen on pediatric imaging

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PHM20 session title

The Incidentaloma: Common Incidental Findings Seen on Pediatric Imaging

Presenters

Jill Azok, MD; Amanda Lansell, MD; Allayne Stephans, MD; and Erin Frank, MD

Session summary

Dr. Azok, Dr. Lansell, and Dr. Frank of University Hospitals Rainbow Babies & Children’s Hospital, Cleveland, described one to three common, incidentally noted findings in central nervous system, thoracic, abdominopelvic, and musculoskeletal imaging. The presenters explained the indications for further work-up and/or intervention of these findings, and the importance of judicious use of imaging in pediatric patients.

Dr. Marc Miller

Dr. Frank discussed incidental findings seen on imaging of the central nervous system, using cases to focus on benign enlargement of the subarachnoid space, lipomas of the filum terminale, and pituitary abnormalities. Dr. Lansell continued by discussing possible clinical models for management of incidentally found pulmonary nodules and renal cysts. Dr. Azok completed the session with a discussion of the appearance and management of nonossifying fibromas and cortical fibrous defects. Common threads shared by all presenters were how frequent incidental findings are and the need for providers to be comfortable with a level of uncertainty.
 

Key takeaways

  • Incidental findings are very common in pediatric imaging, occurring on up to one-third of CT scans, 25% of brain MRIs, and 21% of knee radiographs.
  • An infant with personal and family history of macrocephaly, normal development, and increased extra-axial CSF on MRI likely has benign enlargement of the arachnoid space and does not need further evaluation.
  • A hyperintensity of filum terminale on MRI is consistent with lipoma of the filum terminale and does not require follow-up unless symptoms of tethered cord are present.
  • Pituitary abnormalities are common and call for dedicated history, physical exam, and an endocrine screening with imaging surveillance if screening is normal.
  • Patient history and appearance of pulmonary nodules are important in determining appropriate follow-up.
  • No single feature of renal lesions predicts future behavior, but larger lesions deserve more work-up.
  • Nonossifying fibromas are well-demarcated intracortical radiolucencies of long bone metaphyses that do not require treatment or further evaluation unless they are large, painful, or occur in the proximal femur.

Dr. Miller is a second-year pediatric hospital medicine fellow at Cleveland Clinic Children’s. His academic interests include medical education, quality improvement, and high value care.

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PHM20 session title

The Incidentaloma: Common Incidental Findings Seen on Pediatric Imaging

Presenters

Jill Azok, MD; Amanda Lansell, MD; Allayne Stephans, MD; and Erin Frank, MD

Session summary

Dr. Azok, Dr. Lansell, and Dr. Frank of University Hospitals Rainbow Babies & Children’s Hospital, Cleveland, described one to three common, incidentally noted findings in central nervous system, thoracic, abdominopelvic, and musculoskeletal imaging. The presenters explained the indications for further work-up and/or intervention of these findings, and the importance of judicious use of imaging in pediatric patients.

Dr. Marc Miller

Dr. Frank discussed incidental findings seen on imaging of the central nervous system, using cases to focus on benign enlargement of the subarachnoid space, lipomas of the filum terminale, and pituitary abnormalities. Dr. Lansell continued by discussing possible clinical models for management of incidentally found pulmonary nodules and renal cysts. Dr. Azok completed the session with a discussion of the appearance and management of nonossifying fibromas and cortical fibrous defects. Common threads shared by all presenters were how frequent incidental findings are and the need for providers to be comfortable with a level of uncertainty.
 

Key takeaways

  • Incidental findings are very common in pediatric imaging, occurring on up to one-third of CT scans, 25% of brain MRIs, and 21% of knee radiographs.
  • An infant with personal and family history of macrocephaly, normal development, and increased extra-axial CSF on MRI likely has benign enlargement of the arachnoid space and does not need further evaluation.
  • A hyperintensity of filum terminale on MRI is consistent with lipoma of the filum terminale and does not require follow-up unless symptoms of tethered cord are present.
  • Pituitary abnormalities are common and call for dedicated history, physical exam, and an endocrine screening with imaging surveillance if screening is normal.
  • Patient history and appearance of pulmonary nodules are important in determining appropriate follow-up.
  • No single feature of renal lesions predicts future behavior, but larger lesions deserve more work-up.
  • Nonossifying fibromas are well-demarcated intracortical radiolucencies of long bone metaphyses that do not require treatment or further evaluation unless they are large, painful, or occur in the proximal femur.

Dr. Miller is a second-year pediatric hospital medicine fellow at Cleveland Clinic Children’s. His academic interests include medical education, quality improvement, and high value care.

 

PHM20 session title

The Incidentaloma: Common Incidental Findings Seen on Pediatric Imaging

Presenters

Jill Azok, MD; Amanda Lansell, MD; Allayne Stephans, MD; and Erin Frank, MD

Session summary

Dr. Azok, Dr. Lansell, and Dr. Frank of University Hospitals Rainbow Babies & Children’s Hospital, Cleveland, described one to three common, incidentally noted findings in central nervous system, thoracic, abdominopelvic, and musculoskeletal imaging. The presenters explained the indications for further work-up and/or intervention of these findings, and the importance of judicious use of imaging in pediatric patients.

Dr. Marc Miller

Dr. Frank discussed incidental findings seen on imaging of the central nervous system, using cases to focus on benign enlargement of the subarachnoid space, lipomas of the filum terminale, and pituitary abnormalities. Dr. Lansell continued by discussing possible clinical models for management of incidentally found pulmonary nodules and renal cysts. Dr. Azok completed the session with a discussion of the appearance and management of nonossifying fibromas and cortical fibrous defects. Common threads shared by all presenters were how frequent incidental findings are and the need for providers to be comfortable with a level of uncertainty.
 

Key takeaways

  • Incidental findings are very common in pediatric imaging, occurring on up to one-third of CT scans, 25% of brain MRIs, and 21% of knee radiographs.
  • An infant with personal and family history of macrocephaly, normal development, and increased extra-axial CSF on MRI likely has benign enlargement of the arachnoid space and does not need further evaluation.
  • A hyperintensity of filum terminale on MRI is consistent with lipoma of the filum terminale and does not require follow-up unless symptoms of tethered cord are present.
  • Pituitary abnormalities are common and call for dedicated history, physical exam, and an endocrine screening with imaging surveillance if screening is normal.
  • Patient history and appearance of pulmonary nodules are important in determining appropriate follow-up.
  • No single feature of renal lesions predicts future behavior, but larger lesions deserve more work-up.
  • Nonossifying fibromas are well-demarcated intracortical radiolucencies of long bone metaphyses that do not require treatment or further evaluation unless they are large, painful, or occur in the proximal femur.

Dr. Miller is a second-year pediatric hospital medicine fellow at Cleveland Clinic Children’s. His academic interests include medical education, quality improvement, and high value care.

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A ‘foolproof’ way to diagnose narrow complex tachycardias on EKGs

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Wed, 08/19/2020 - 17:46

A hospitalist looking at an EKG showing a narrow complex tachycardia needs to be able to come up with an accurate diagnosis of the rhythm pronto. And hospitalist Meghan Mary Walsh, MD, MPH, has developed a simple and efficient method for doing so within a minute or two that she’s used with great success on the wards and in teaching medical students and residents for nearly a decade.

“You’re busy on the wards. You may have a patient who’s unstable. You need to make diagnostic decisions very rapidly. And this is a foolproof way to make the correct diagnosis every time,” she promised at HM20 Virtual, hosted by the Society of Hospital Medicine. 

Her method involves asking three questions about the 12-lead EKG:

1) What’s the rate?

A narrow complex tachycardia by definition needs to be both narrow and fast, with a QRS complex of less than 0.12 seconds and a heart rate above 100 bpm. Knowing how far above 100 bpm the rate is will help with the differential diagnosis.

2) Is the rhythm regular or irregular?

“If I put the EKG 10 feet away from you, you should still be able to look at it and say the QRS is either systematically marching out – boom, boom, boom – or there is an irregular sea of QRS complexes where the RR intervals are variable and inconsistent,” said Dr. Walsh, a hospitalist at the University of Minnesota, Minneapolis, and chief academic officer at Hennepin Healthcare, where she oversees all medical students and residents training in the health system.

This distinction between a regular and irregular rhythm immediately narrows the differential by dividing the diagnostic possibilities into two columns (See chart). She urged her audience to commit the list to memory or keep it handy on their cell phone or in a notebook.

“If it’s irregular I’m going down the right column; if it’s regular I’m going down the left. And then I’m systematically running the drill,” she explained.

3) Are upright p waves present before each QRS complex in leads II and V1?

This information rules out some of the eight items in the differential diagnosis and rules in others.
 

Narrow complex tachycardias with an irregular rhythm

There are only three:

Atrial fibrillation: The heart rate is typically 110-160 bpm, although it can occasionally go higher. The rhythm is irregularly irregular: No two RR intervals on the EKG are exactly the same. And there are no p waves.

“If it’s faster than 100 bpm, irregularly irregular, and no p waves, the conclusion is very simple: It’s AFib,” Dr. Walsh said.

Multifocal atrial tachycardia (MAT): The heart rate is generally 100-150 bpm but can sometimes climb to about 180 bpm. The PP, PR, and RR intervals are varied, inconsistent, and don’t repeat. Most importantly, there are three or more different p wave morphologies in the same lead. One p wave might look like a tall mountain peak, another could be short and flat, and perhaps the next is big and broad.

MAT often occurs in patients with a structurally abnormal atrium – for example, in the setting of pulmonary hypertension leading to right atrial enlargement, with resultant depolarization occurring all over the atrium.

“Don’t confuse MAT with AFib: One has p waves, one does not. Otherwise they can look very similar,” she said.

Atrial flutter with variable conduction: A hallmark of this reentrant tachycardia is the atrial flutter waves occurring at about 300 bpm between each QRS complex.

“On board renewal exams, the question is often asked, ‘Which leads are the best identifiers of atrial flutter?’ And the answer is the inferior leads II, III, and aVF,” she said.

Another classic feature of atrial flutter with variable conduction is cluster beating attributable to a varied ventricular response. This results in a repeated pattern of irregular RR intervals: There might be a 2:1 block in AV conduction for several beats, then maybe a 4:1 block for several more, with resultant lengthening of the RR interval, then 3:1, with shortening of RR. This regularly irregular sequence is repeated throughout the EKG.

“Look for a pattern amidst the chaos,” the hospitalist advised.

The heart rate might be roughly 150 bpm with a 2:1 block, or 100 bpm with a 3:1 block. The p waves in atrial flutter with variable conduction can be either negatively or positively deflected.
 

 

 

Narrow complex tachycardias with a regular rhythm*

Sinus tachycardia: The heart rate is typically less than 160 bpm, the QRS complexes show a regular pattern, and upright p waves are clearly visible in leads II and V1.

The distinguishing feature of this arrhythmia is the ramping up and ramping down of the heart rate. The tachycardia is typically less than 160 bpm. But the rate doesn’t suddenly jump from, say, 70 to140 bpm in a flash while the patient is lying in the hospital bed. A trip to the telemetry room for a look at the telemetry strip will tell the tale: The heart rate will have progressively ramped up from 70, to 80, then 90, then 100, 110, 120, 130, to perhaps 140 bpm. And then it will similarly ramp back down in stages, with the up/down pattern being repeated.

Sinus tachycardia is generally a reflection of underlying significant systemic illness, such as sepsis, hypotension, or anemia.

Atrial tachycardia: The heart rate is generally 100-140 bpm, and p waves are present. But unlike in sinus tachycardia, the patient with atrial tachycardia lying in bed with a heart rate of 140 bpm is not in a state of profound neurohormonal activation and is not all that sick.

Another diagnostic clue is provided by a look at the telemonitoring strip. Unlike in sinus tachycardia, where the heart rate ramps up and then back down repeatedly, in atrial tachycardia the heart rate very quickly ramps up in stages to, say, 140 bpm, and then hangs there.

Atrial flutter: This is the only narrow complex tachycardia that appears in both the regular and irregular rhythm columns. It belongs in the irregular rhythm column when there is variable conduction and cluster beating, with a regularly irregular pattern of RR intervals. In contrast, when atrial flutter is in the regular rhythm column, it’s because the atrioventricular node is steadily conducting the atrial depolarizations at a rate of about 300 bpm. So there’s no cluster beating. As in atrial flutter with variable conduction, the flutter waves are visible most often in leads II, III, and aVF, where they can be either positively or negatively deflected.

AV reentrant tachycardias: These reentrant tachycardias can take two forms. In atrioventricular nodal reentrant tachycardia (AVnRT), the aberrant pathway is found entirely within the AV node, whereas in atrioventricular reentrant tachycardia (AVRT) the aberrant pathway is found outside the AV node. AVnRT is more common than AVRT. As in atrial flutter, there is no ramp up in heart rate. Patients will be lying in their hospital bed with a heart rate of, say, 80 bpm, and then suddenly it jumps to 180, 200, or even as high as 240 bpm “almost in a split second,” Dr. Walsh said.

No other narrow complex tachycardia reaches so high a heart rate. In both of these reentrant tachycardias the p waves are often buried in the QRS complex and can be tough to see. It’s very difficult to differentiate AVnRT from AVRT except by an electrophysiologic study.

Accelerated junctional tachycardia: This is most commonly the slowest of the narrow complex tachycardias, with a heart rate of less than 120 bpm.

“In the case of accelerated junctional tachycardia, think slow, think ‘regular,’ think of a rate often just over 100, usually with p waves after the QRS that are inverted because there’s retrograde conduction,” she advised.

She reported having no financial conflicts of interest regarding her presentation.

Correction, 8/19/20: An earlier version of this article mischaracterized the type of rhythm noted in this subhead.

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A hospitalist looking at an EKG showing a narrow complex tachycardia needs to be able to come up with an accurate diagnosis of the rhythm pronto. And hospitalist Meghan Mary Walsh, MD, MPH, has developed a simple and efficient method for doing so within a minute or two that she’s used with great success on the wards and in teaching medical students and residents for nearly a decade.

“You’re busy on the wards. You may have a patient who’s unstable. You need to make diagnostic decisions very rapidly. And this is a foolproof way to make the correct diagnosis every time,” she promised at HM20 Virtual, hosted by the Society of Hospital Medicine. 

Her method involves asking three questions about the 12-lead EKG:

1) What’s the rate?

A narrow complex tachycardia by definition needs to be both narrow and fast, with a QRS complex of less than 0.12 seconds and a heart rate above 100 bpm. Knowing how far above 100 bpm the rate is will help with the differential diagnosis.

2) Is the rhythm regular or irregular?

“If I put the EKG 10 feet away from you, you should still be able to look at it and say the QRS is either systematically marching out – boom, boom, boom – or there is an irregular sea of QRS complexes where the RR intervals are variable and inconsistent,” said Dr. Walsh, a hospitalist at the University of Minnesota, Minneapolis, and chief academic officer at Hennepin Healthcare, where she oversees all medical students and residents training in the health system.

This distinction between a regular and irregular rhythm immediately narrows the differential by dividing the diagnostic possibilities into two columns (See chart). She urged her audience to commit the list to memory or keep it handy on their cell phone or in a notebook.

“If it’s irregular I’m going down the right column; if it’s regular I’m going down the left. And then I’m systematically running the drill,” she explained.

3) Are upright p waves present before each QRS complex in leads II and V1?

This information rules out some of the eight items in the differential diagnosis and rules in others.
 

Narrow complex tachycardias with an irregular rhythm

There are only three:

Atrial fibrillation: The heart rate is typically 110-160 bpm, although it can occasionally go higher. The rhythm is irregularly irregular: No two RR intervals on the EKG are exactly the same. And there are no p waves.

“If it’s faster than 100 bpm, irregularly irregular, and no p waves, the conclusion is very simple: It’s AFib,” Dr. Walsh said.

Multifocal atrial tachycardia (MAT): The heart rate is generally 100-150 bpm but can sometimes climb to about 180 bpm. The PP, PR, and RR intervals are varied, inconsistent, and don’t repeat. Most importantly, there are three or more different p wave morphologies in the same lead. One p wave might look like a tall mountain peak, another could be short and flat, and perhaps the next is big and broad.

MAT often occurs in patients with a structurally abnormal atrium – for example, in the setting of pulmonary hypertension leading to right atrial enlargement, with resultant depolarization occurring all over the atrium.

“Don’t confuse MAT with AFib: One has p waves, one does not. Otherwise they can look very similar,” she said.

Atrial flutter with variable conduction: A hallmark of this reentrant tachycardia is the atrial flutter waves occurring at about 300 bpm between each QRS complex.

“On board renewal exams, the question is often asked, ‘Which leads are the best identifiers of atrial flutter?’ And the answer is the inferior leads II, III, and aVF,” she said.

Another classic feature of atrial flutter with variable conduction is cluster beating attributable to a varied ventricular response. This results in a repeated pattern of irregular RR intervals: There might be a 2:1 block in AV conduction for several beats, then maybe a 4:1 block for several more, with resultant lengthening of the RR interval, then 3:1, with shortening of RR. This regularly irregular sequence is repeated throughout the EKG.

“Look for a pattern amidst the chaos,” the hospitalist advised.

The heart rate might be roughly 150 bpm with a 2:1 block, or 100 bpm with a 3:1 block. The p waves in atrial flutter with variable conduction can be either negatively or positively deflected.
 

 

 

Narrow complex tachycardias with a regular rhythm*

Sinus tachycardia: The heart rate is typically less than 160 bpm, the QRS complexes show a regular pattern, and upright p waves are clearly visible in leads II and V1.

The distinguishing feature of this arrhythmia is the ramping up and ramping down of the heart rate. The tachycardia is typically less than 160 bpm. But the rate doesn’t suddenly jump from, say, 70 to140 bpm in a flash while the patient is lying in the hospital bed. A trip to the telemetry room for a look at the telemetry strip will tell the tale: The heart rate will have progressively ramped up from 70, to 80, then 90, then 100, 110, 120, 130, to perhaps 140 bpm. And then it will similarly ramp back down in stages, with the up/down pattern being repeated.

Sinus tachycardia is generally a reflection of underlying significant systemic illness, such as sepsis, hypotension, or anemia.

Atrial tachycardia: The heart rate is generally 100-140 bpm, and p waves are present. But unlike in sinus tachycardia, the patient with atrial tachycardia lying in bed with a heart rate of 140 bpm is not in a state of profound neurohormonal activation and is not all that sick.

Another diagnostic clue is provided by a look at the telemonitoring strip. Unlike in sinus tachycardia, where the heart rate ramps up and then back down repeatedly, in atrial tachycardia the heart rate very quickly ramps up in stages to, say, 140 bpm, and then hangs there.

Atrial flutter: This is the only narrow complex tachycardia that appears in both the regular and irregular rhythm columns. It belongs in the irregular rhythm column when there is variable conduction and cluster beating, with a regularly irregular pattern of RR intervals. In contrast, when atrial flutter is in the regular rhythm column, it’s because the atrioventricular node is steadily conducting the atrial depolarizations at a rate of about 300 bpm. So there’s no cluster beating. As in atrial flutter with variable conduction, the flutter waves are visible most often in leads II, III, and aVF, where they can be either positively or negatively deflected.

AV reentrant tachycardias: These reentrant tachycardias can take two forms. In atrioventricular nodal reentrant tachycardia (AVnRT), the aberrant pathway is found entirely within the AV node, whereas in atrioventricular reentrant tachycardia (AVRT) the aberrant pathway is found outside the AV node. AVnRT is more common than AVRT. As in atrial flutter, there is no ramp up in heart rate. Patients will be lying in their hospital bed with a heart rate of, say, 80 bpm, and then suddenly it jumps to 180, 200, or even as high as 240 bpm “almost in a split second,” Dr. Walsh said.

No other narrow complex tachycardia reaches so high a heart rate. In both of these reentrant tachycardias the p waves are often buried in the QRS complex and can be tough to see. It’s very difficult to differentiate AVnRT from AVRT except by an electrophysiologic study.

Accelerated junctional tachycardia: This is most commonly the slowest of the narrow complex tachycardias, with a heart rate of less than 120 bpm.

“In the case of accelerated junctional tachycardia, think slow, think ‘regular,’ think of a rate often just over 100, usually with p waves after the QRS that are inverted because there’s retrograde conduction,” she advised.

She reported having no financial conflicts of interest regarding her presentation.

Correction, 8/19/20: An earlier version of this article mischaracterized the type of rhythm noted in this subhead.

A hospitalist looking at an EKG showing a narrow complex tachycardia needs to be able to come up with an accurate diagnosis of the rhythm pronto. And hospitalist Meghan Mary Walsh, MD, MPH, has developed a simple and efficient method for doing so within a minute or two that she’s used with great success on the wards and in teaching medical students and residents for nearly a decade.

“You’re busy on the wards. You may have a patient who’s unstable. You need to make diagnostic decisions very rapidly. And this is a foolproof way to make the correct diagnosis every time,” she promised at HM20 Virtual, hosted by the Society of Hospital Medicine. 

Her method involves asking three questions about the 12-lead EKG:

1) What’s the rate?

A narrow complex tachycardia by definition needs to be both narrow and fast, with a QRS complex of less than 0.12 seconds and a heart rate above 100 bpm. Knowing how far above 100 bpm the rate is will help with the differential diagnosis.

2) Is the rhythm regular or irregular?

“If I put the EKG 10 feet away from you, you should still be able to look at it and say the QRS is either systematically marching out – boom, boom, boom – or there is an irregular sea of QRS complexes where the RR intervals are variable and inconsistent,” said Dr. Walsh, a hospitalist at the University of Minnesota, Minneapolis, and chief academic officer at Hennepin Healthcare, where she oversees all medical students and residents training in the health system.

This distinction between a regular and irregular rhythm immediately narrows the differential by dividing the diagnostic possibilities into two columns (See chart). She urged her audience to commit the list to memory or keep it handy on their cell phone or in a notebook.

“If it’s irregular I’m going down the right column; if it’s regular I’m going down the left. And then I’m systematically running the drill,” she explained.

3) Are upright p waves present before each QRS complex in leads II and V1?

This information rules out some of the eight items in the differential diagnosis and rules in others.
 

Narrow complex tachycardias with an irregular rhythm

There are only three:

Atrial fibrillation: The heart rate is typically 110-160 bpm, although it can occasionally go higher. The rhythm is irregularly irregular: No two RR intervals on the EKG are exactly the same. And there are no p waves.

“If it’s faster than 100 bpm, irregularly irregular, and no p waves, the conclusion is very simple: It’s AFib,” Dr. Walsh said.

Multifocal atrial tachycardia (MAT): The heart rate is generally 100-150 bpm but can sometimes climb to about 180 bpm. The PP, PR, and RR intervals are varied, inconsistent, and don’t repeat. Most importantly, there are three or more different p wave morphologies in the same lead. One p wave might look like a tall mountain peak, another could be short and flat, and perhaps the next is big and broad.

MAT often occurs in patients with a structurally abnormal atrium – for example, in the setting of pulmonary hypertension leading to right atrial enlargement, with resultant depolarization occurring all over the atrium.

“Don’t confuse MAT with AFib: One has p waves, one does not. Otherwise they can look very similar,” she said.

Atrial flutter with variable conduction: A hallmark of this reentrant tachycardia is the atrial flutter waves occurring at about 300 bpm between each QRS complex.

“On board renewal exams, the question is often asked, ‘Which leads are the best identifiers of atrial flutter?’ And the answer is the inferior leads II, III, and aVF,” she said.

Another classic feature of atrial flutter with variable conduction is cluster beating attributable to a varied ventricular response. This results in a repeated pattern of irregular RR intervals: There might be a 2:1 block in AV conduction for several beats, then maybe a 4:1 block for several more, with resultant lengthening of the RR interval, then 3:1, with shortening of RR. This regularly irregular sequence is repeated throughout the EKG.

“Look for a pattern amidst the chaos,” the hospitalist advised.

The heart rate might be roughly 150 bpm with a 2:1 block, or 100 bpm with a 3:1 block. The p waves in atrial flutter with variable conduction can be either negatively or positively deflected.
 

 

 

Narrow complex tachycardias with a regular rhythm*

Sinus tachycardia: The heart rate is typically less than 160 bpm, the QRS complexes show a regular pattern, and upright p waves are clearly visible in leads II and V1.

The distinguishing feature of this arrhythmia is the ramping up and ramping down of the heart rate. The tachycardia is typically less than 160 bpm. But the rate doesn’t suddenly jump from, say, 70 to140 bpm in a flash while the patient is lying in the hospital bed. A trip to the telemetry room for a look at the telemetry strip will tell the tale: The heart rate will have progressively ramped up from 70, to 80, then 90, then 100, 110, 120, 130, to perhaps 140 bpm. And then it will similarly ramp back down in stages, with the up/down pattern being repeated.

Sinus tachycardia is generally a reflection of underlying significant systemic illness, such as sepsis, hypotension, or anemia.

Atrial tachycardia: The heart rate is generally 100-140 bpm, and p waves are present. But unlike in sinus tachycardia, the patient with atrial tachycardia lying in bed with a heart rate of 140 bpm is not in a state of profound neurohormonal activation and is not all that sick.

Another diagnostic clue is provided by a look at the telemonitoring strip. Unlike in sinus tachycardia, where the heart rate ramps up and then back down repeatedly, in atrial tachycardia the heart rate very quickly ramps up in stages to, say, 140 bpm, and then hangs there.

Atrial flutter: This is the only narrow complex tachycardia that appears in both the regular and irregular rhythm columns. It belongs in the irregular rhythm column when there is variable conduction and cluster beating, with a regularly irregular pattern of RR intervals. In contrast, when atrial flutter is in the regular rhythm column, it’s because the atrioventricular node is steadily conducting the atrial depolarizations at a rate of about 300 bpm. So there’s no cluster beating. As in atrial flutter with variable conduction, the flutter waves are visible most often in leads II, III, and aVF, where they can be either positively or negatively deflected.

AV reentrant tachycardias: These reentrant tachycardias can take two forms. In atrioventricular nodal reentrant tachycardia (AVnRT), the aberrant pathway is found entirely within the AV node, whereas in atrioventricular reentrant tachycardia (AVRT) the aberrant pathway is found outside the AV node. AVnRT is more common than AVRT. As in atrial flutter, there is no ramp up in heart rate. Patients will be lying in their hospital bed with a heart rate of, say, 80 bpm, and then suddenly it jumps to 180, 200, or even as high as 240 bpm “almost in a split second,” Dr. Walsh said.

No other narrow complex tachycardia reaches so high a heart rate. In both of these reentrant tachycardias the p waves are often buried in the QRS complex and can be tough to see. It’s very difficult to differentiate AVnRT from AVRT except by an electrophysiologic study.

Accelerated junctional tachycardia: This is most commonly the slowest of the narrow complex tachycardias, with a heart rate of less than 120 bpm.

“In the case of accelerated junctional tachycardia, think slow, think ‘regular,’ think of a rate often just over 100, usually with p waves after the QRS that are inverted because there’s retrograde conduction,” she advised.

She reported having no financial conflicts of interest regarding her presentation.

Correction, 8/19/20: An earlier version of this article mischaracterized the type of rhythm noted in this subhead.

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Determining cause of skin lesions in COVID-19 patients remains challenging

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Thu, 08/26/2021 - 16:02

Many COVID-19 treatments, in addition to the infection, may be associated with adverse skin reactions and should be considered in a differential diagnosis, according to a review published in the Journal of the American Academy of Dermatology.

SARS-CoV-2 infection has been associated with a range of skin conditions, wrote Antonio Martinez-Lopez, MD, of Virgen de las Nieves University Hospital, Granada, Spain, and colleagues, who provided an overview of the cutaneous side effects associated with drugs used to treat COVID-19 infection.

“Cutaneous manifestations have recently been described in patients with the new coronavirus infection, similar to cutaneous involvement occurring in common viral infections,” they said. Infected individuals have experienced maculopapular eruption, pseudo-chilblain lesions, urticaria, monomorphic disseminated vesicular lesions, acral vesicular-pustulous lesions, and livedo or necrosis, they noted.

Diagnosing skin manifestations in patients with COVID-19 remains a challenge, because it is unclear whether the skin lesions are related to the virus, the authors said. “Skin diseases not related to coronavirus, other seasonal viral infections, and drug reactions should be considered in the differential diagnosis, especially in those patients suffering from nonspecific manifestations such as urticaria or maculopapular eruptions,” they wrote.

However, “urticarial lesions and maculopapular eruptions in SARS-CoV-2 infections usually appear at the same time as the systemic symptoms, while drug adverse reactions are likely to arise hours to days after the start of the treatment,” they said.

The reviewers noted several cutaneous side effects associated with several of the often-prescribed drugs for COVID-19 infection. The antimalarials hydroxychloroquine and chloroquine had been authorized for COVID-19 treatment by the Food and Drug Administration, but this emergency authorization was rescinded in June. They noted that up to 11.5% of patients on these drugs may experience cutaneous adverse effects, including some that “can be mistaken for skin manifestations of SARS-CoV-2, especially those with maculopapular rash or exanthematous reactions.” Another side effect is exacerbation of psoriasis, which has been described in patients with COVID-19, the authors said.



The oral antiretroviral combination lopinavir/ritonavir, under investigation in clinical trials for COVID-19, has been associated with skin rashes in as many as 5% of adults in HIV studies. Usually appearing after treatment is started, the maculopapular pruritic rash is “usually well tolerated,” they said, although there have been reports of Stevens-Johnson syndrome. Alopecia areata is among the other side effects reported.

Remdesivir also has been authorized for emergency treatment of COVID-19, and the small amount of data available suggest that cutaneous manifestations may be infrequent, the reviewers said. In a recent study of 53 patients treated with remdesivir for 10 days, approximately 8% developed a rash, but the study did not include any information “about rash morphology, distribution, or timeline in relation to remdesivir that may help clinicians differentiate from cutaneous manifestations of COVID-19,” they said.

Other potential treatments for complications of COVID-19 include imatinib, tocilizumab, anakinra, immunoglobulins, corticosteroids, colchicine, and low molecular weight heparins; all have the potential for association with skin reactions, but data on skin manifestations associated with COVID-19 are limited, the authors wrote.

Notably, data on the use of systemic corticosteroids for COVID-19 patients are controversial, although preliminary data showed some reduced mortality in COVID-19 patients who were on respiratory support, they noted. “With regard to differential diagnosis of cutaneous manifestations of COVID-19, the vascular fragility associated with corticosteroid use, especially in elderly patients, may be similar to the thrombotic complications of COVID-19 infection.”

Knowledge about the virology of COVID-19 continues to evolve rapidly, and the number of drugs being studied as treatments continues to expand, the authors pointed out.

“By considering adverse drug reactions in the differential diagnosis, dermatologists can be useful in assisting in the care of these patients,” they wrote. Drugs, rather than the infection, may be the cause of skin reactions in some COVID-19 patients, and “management is often symptomatic, but it is sometimes necessary to modify or discontinue the treatment, and some conditions can even be life-threatening,” they concluded.

The study received no outside funding. The researchers had no financial conflicts to disclose.

SOURCE: Martinez-Lopez A et al. J Am Acad Dermatol. 2020 doi: 10.1016/j.jaad.2020.08.006.

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Many COVID-19 treatments, in addition to the infection, may be associated with adverse skin reactions and should be considered in a differential diagnosis, according to a review published in the Journal of the American Academy of Dermatology.

SARS-CoV-2 infection has been associated with a range of skin conditions, wrote Antonio Martinez-Lopez, MD, of Virgen de las Nieves University Hospital, Granada, Spain, and colleagues, who provided an overview of the cutaneous side effects associated with drugs used to treat COVID-19 infection.

“Cutaneous manifestations have recently been described in patients with the new coronavirus infection, similar to cutaneous involvement occurring in common viral infections,” they said. Infected individuals have experienced maculopapular eruption, pseudo-chilblain lesions, urticaria, monomorphic disseminated vesicular lesions, acral vesicular-pustulous lesions, and livedo or necrosis, they noted.

Diagnosing skin manifestations in patients with COVID-19 remains a challenge, because it is unclear whether the skin lesions are related to the virus, the authors said. “Skin diseases not related to coronavirus, other seasonal viral infections, and drug reactions should be considered in the differential diagnosis, especially in those patients suffering from nonspecific manifestations such as urticaria or maculopapular eruptions,” they wrote.

However, “urticarial lesions and maculopapular eruptions in SARS-CoV-2 infections usually appear at the same time as the systemic symptoms, while drug adverse reactions are likely to arise hours to days after the start of the treatment,” they said.

The reviewers noted several cutaneous side effects associated with several of the often-prescribed drugs for COVID-19 infection. The antimalarials hydroxychloroquine and chloroquine had been authorized for COVID-19 treatment by the Food and Drug Administration, but this emergency authorization was rescinded in June. They noted that up to 11.5% of patients on these drugs may experience cutaneous adverse effects, including some that “can be mistaken for skin manifestations of SARS-CoV-2, especially those with maculopapular rash or exanthematous reactions.” Another side effect is exacerbation of psoriasis, which has been described in patients with COVID-19, the authors said.



The oral antiretroviral combination lopinavir/ritonavir, under investigation in clinical trials for COVID-19, has been associated with skin rashes in as many as 5% of adults in HIV studies. Usually appearing after treatment is started, the maculopapular pruritic rash is “usually well tolerated,” they said, although there have been reports of Stevens-Johnson syndrome. Alopecia areata is among the other side effects reported.

Remdesivir also has been authorized for emergency treatment of COVID-19, and the small amount of data available suggest that cutaneous manifestations may be infrequent, the reviewers said. In a recent study of 53 patients treated with remdesivir for 10 days, approximately 8% developed a rash, but the study did not include any information “about rash morphology, distribution, or timeline in relation to remdesivir that may help clinicians differentiate from cutaneous manifestations of COVID-19,” they said.

Other potential treatments for complications of COVID-19 include imatinib, tocilizumab, anakinra, immunoglobulins, corticosteroids, colchicine, and low molecular weight heparins; all have the potential for association with skin reactions, but data on skin manifestations associated with COVID-19 are limited, the authors wrote.

Notably, data on the use of systemic corticosteroids for COVID-19 patients are controversial, although preliminary data showed some reduced mortality in COVID-19 patients who were on respiratory support, they noted. “With regard to differential diagnosis of cutaneous manifestations of COVID-19, the vascular fragility associated with corticosteroid use, especially in elderly patients, may be similar to the thrombotic complications of COVID-19 infection.”

Knowledge about the virology of COVID-19 continues to evolve rapidly, and the number of drugs being studied as treatments continues to expand, the authors pointed out.

“By considering adverse drug reactions in the differential diagnosis, dermatologists can be useful in assisting in the care of these patients,” they wrote. Drugs, rather than the infection, may be the cause of skin reactions in some COVID-19 patients, and “management is often symptomatic, but it is sometimes necessary to modify or discontinue the treatment, and some conditions can even be life-threatening,” they concluded.

The study received no outside funding. The researchers had no financial conflicts to disclose.

SOURCE: Martinez-Lopez A et al. J Am Acad Dermatol. 2020 doi: 10.1016/j.jaad.2020.08.006.

Many COVID-19 treatments, in addition to the infection, may be associated with adverse skin reactions and should be considered in a differential diagnosis, according to a review published in the Journal of the American Academy of Dermatology.

SARS-CoV-2 infection has been associated with a range of skin conditions, wrote Antonio Martinez-Lopez, MD, of Virgen de las Nieves University Hospital, Granada, Spain, and colleagues, who provided an overview of the cutaneous side effects associated with drugs used to treat COVID-19 infection.

“Cutaneous manifestations have recently been described in patients with the new coronavirus infection, similar to cutaneous involvement occurring in common viral infections,” they said. Infected individuals have experienced maculopapular eruption, pseudo-chilblain lesions, urticaria, monomorphic disseminated vesicular lesions, acral vesicular-pustulous lesions, and livedo or necrosis, they noted.

Diagnosing skin manifestations in patients with COVID-19 remains a challenge, because it is unclear whether the skin lesions are related to the virus, the authors said. “Skin diseases not related to coronavirus, other seasonal viral infections, and drug reactions should be considered in the differential diagnosis, especially in those patients suffering from nonspecific manifestations such as urticaria or maculopapular eruptions,” they wrote.

However, “urticarial lesions and maculopapular eruptions in SARS-CoV-2 infections usually appear at the same time as the systemic symptoms, while drug adverse reactions are likely to arise hours to days after the start of the treatment,” they said.

The reviewers noted several cutaneous side effects associated with several of the often-prescribed drugs for COVID-19 infection. The antimalarials hydroxychloroquine and chloroquine had been authorized for COVID-19 treatment by the Food and Drug Administration, but this emergency authorization was rescinded in June. They noted that up to 11.5% of patients on these drugs may experience cutaneous adverse effects, including some that “can be mistaken for skin manifestations of SARS-CoV-2, especially those with maculopapular rash or exanthematous reactions.” Another side effect is exacerbation of psoriasis, which has been described in patients with COVID-19, the authors said.



The oral antiretroviral combination lopinavir/ritonavir, under investigation in clinical trials for COVID-19, has been associated with skin rashes in as many as 5% of adults in HIV studies. Usually appearing after treatment is started, the maculopapular pruritic rash is “usually well tolerated,” they said, although there have been reports of Stevens-Johnson syndrome. Alopecia areata is among the other side effects reported.

Remdesivir also has been authorized for emergency treatment of COVID-19, and the small amount of data available suggest that cutaneous manifestations may be infrequent, the reviewers said. In a recent study of 53 patients treated with remdesivir for 10 days, approximately 8% developed a rash, but the study did not include any information “about rash morphology, distribution, or timeline in relation to remdesivir that may help clinicians differentiate from cutaneous manifestations of COVID-19,” they said.

Other potential treatments for complications of COVID-19 include imatinib, tocilizumab, anakinra, immunoglobulins, corticosteroids, colchicine, and low molecular weight heparins; all have the potential for association with skin reactions, but data on skin manifestations associated with COVID-19 are limited, the authors wrote.

Notably, data on the use of systemic corticosteroids for COVID-19 patients are controversial, although preliminary data showed some reduced mortality in COVID-19 patients who were on respiratory support, they noted. “With regard to differential diagnosis of cutaneous manifestations of COVID-19, the vascular fragility associated with corticosteroid use, especially in elderly patients, may be similar to the thrombotic complications of COVID-19 infection.”

Knowledge about the virology of COVID-19 continues to evolve rapidly, and the number of drugs being studied as treatments continues to expand, the authors pointed out.

“By considering adverse drug reactions in the differential diagnosis, dermatologists can be useful in assisting in the care of these patients,” they wrote. Drugs, rather than the infection, may be the cause of skin reactions in some COVID-19 patients, and “management is often symptomatic, but it is sometimes necessary to modify or discontinue the treatment, and some conditions can even be life-threatening,” they concluded.

The study received no outside funding. The researchers had no financial conflicts to disclose.

SOURCE: Martinez-Lopez A et al. J Am Acad Dermatol. 2020 doi: 10.1016/j.jaad.2020.08.006.

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Multiple traits more common in difficult-to-treat patients with migraine

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Thu, 12/15/2022 - 15:43

Compared with their counterparts who get more relief, patients with difficult-to-treat migraine are more likely to delay acute treatment and take over-the-counter and opioid painkillers. They are also more likely to have depression and impairment. Overall, insufficient responders—patients less likely to get relief shortly after acute treatment—are “more medically and psychosocially complex,” wrote the authors of the study, which appeared in the July/August issue of Headache.

Common characteristics of insufficient responders

The researchers, led by Louise Lombard, M Nutr, of Eli Lilly and Company, analyzed data from a 2014 cross-sectional survey. They tracked 583 patients with migraine, including 200 (34%) who were considered insufficient responders because they failed to achieve freedom from pain within 2 hours of acute treatment in at least four of five attacks.

The insufficient and sufficient responder groups were similar in age (mean = 40 for both) and gender (80% and 75% female, respectively, P = .170) and race (72% and 77% white, P = .279).

However, insufficient responders were clearly more affected by headaches, multiple treatments, and other burdens. Compared with those who had better responses to treatment, they were more likely to have four or more migraine headache days per month (46% vs. 31%), rebound or medication-overuse headaches (16% vs. 7%) and chronic migraine (12% vs. 5%, all P < .05).

They were also more likely have comorbid depression (38% vs. 22%) and psychological conditions other than depression and anxiety (8% vs. 4%, all P < .05).

As for treatment, insufficient response was higher in patients who waited until the appearance of pain to take medication (odds ratio = 1.83, 95% confidence interval [CI] 1.15–2.92, P = .011, after adjustment for covariates). And insufficient responders were more likely to have been prescribed at least three unique preventive regimens (12% vs. 6%), to take over-the-counter medications (50% vs. 38%) and to take opioid painkillers (16% vs. 8%, all P < .05).

The authors, who caution that the study does not prove cause and effect, wrote that insufficient responders “may benefit from education on how and when to use current treatments.”
 

Managing insufficient responders

Neurology Reviews editor-in-chief Alan M. Rapoport, MD, said the study “confirms a lot of what we knew.” Dr, Rapoport, who was not involved in the study, is clinical professor of neurology at the University of California, Los Angeles.

“As expected, the insufficient responders used more opioids and over-the-counter medications, which is not the ideal way to treat migraine,” he said. “That probably caused them to have medication-overuse headache, which might have caused them to respond poorly to even the best treatment regimen. They also had more severe symptoms, more comorbidities, and a poorer quality of life. They also had more impairment and greater impact on work, with more of them unemployed.”

The insufficient responders also “took medication at the time or after the pain began, rather than before it when they thought the attack was beginning due to premonitory symptoms,” he said.

Dr. Rapoport also noted a surprising and unusual finding: Patients who did not report sensitivity to light as their most bothersome symptom were more likely to be insufficient responders (OR = 2.3, 95% CI [1.21–4.37], P = .011). “In all recent migraine studies,” he said, “the majority of patients selected photophobia as their most bothersome symptom.”

In the big picture, he said, the study suggests that “a third triptan does not seem to work better than the first two, patients with medication-overuse headache and chronic migraine and those not on preventive medication do not respond that well to acute care treatment, and the same is true when depression is present.”

No study funding was reported. Four study authors reported ties with Eli Lilly, and two reported employment by Adelphi Real World, which provided the survey results..

SOURCE: Lombard L et al. Headache. 2020;60(7):1325-39. doi: 10.1111/head.13835.

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Compared with their counterparts who get more relief, patients with difficult-to-treat migraine are more likely to delay acute treatment and take over-the-counter and opioid painkillers. They are also more likely to have depression and impairment. Overall, insufficient responders—patients less likely to get relief shortly after acute treatment—are “more medically and psychosocially complex,” wrote the authors of the study, which appeared in the July/August issue of Headache.

Common characteristics of insufficient responders

The researchers, led by Louise Lombard, M Nutr, of Eli Lilly and Company, analyzed data from a 2014 cross-sectional survey. They tracked 583 patients with migraine, including 200 (34%) who were considered insufficient responders because they failed to achieve freedom from pain within 2 hours of acute treatment in at least four of five attacks.

The insufficient and sufficient responder groups were similar in age (mean = 40 for both) and gender (80% and 75% female, respectively, P = .170) and race (72% and 77% white, P = .279).

However, insufficient responders were clearly more affected by headaches, multiple treatments, and other burdens. Compared with those who had better responses to treatment, they were more likely to have four or more migraine headache days per month (46% vs. 31%), rebound or medication-overuse headaches (16% vs. 7%) and chronic migraine (12% vs. 5%, all P < .05).

They were also more likely have comorbid depression (38% vs. 22%) and psychological conditions other than depression and anxiety (8% vs. 4%, all P < .05).

As for treatment, insufficient response was higher in patients who waited until the appearance of pain to take medication (odds ratio = 1.83, 95% confidence interval [CI] 1.15–2.92, P = .011, after adjustment for covariates). And insufficient responders were more likely to have been prescribed at least three unique preventive regimens (12% vs. 6%), to take over-the-counter medications (50% vs. 38%) and to take opioid painkillers (16% vs. 8%, all P < .05).

The authors, who caution that the study does not prove cause and effect, wrote that insufficient responders “may benefit from education on how and when to use current treatments.”
 

Managing insufficient responders

Neurology Reviews editor-in-chief Alan M. Rapoport, MD, said the study “confirms a lot of what we knew.” Dr, Rapoport, who was not involved in the study, is clinical professor of neurology at the University of California, Los Angeles.

“As expected, the insufficient responders used more opioids and over-the-counter medications, which is not the ideal way to treat migraine,” he said. “That probably caused them to have medication-overuse headache, which might have caused them to respond poorly to even the best treatment regimen. They also had more severe symptoms, more comorbidities, and a poorer quality of life. They also had more impairment and greater impact on work, with more of them unemployed.”

The insufficient responders also “took medication at the time or after the pain began, rather than before it when they thought the attack was beginning due to premonitory symptoms,” he said.

Dr. Rapoport also noted a surprising and unusual finding: Patients who did not report sensitivity to light as their most bothersome symptom were more likely to be insufficient responders (OR = 2.3, 95% CI [1.21–4.37], P = .011). “In all recent migraine studies,” he said, “the majority of patients selected photophobia as their most bothersome symptom.”

In the big picture, he said, the study suggests that “a third triptan does not seem to work better than the first two, patients with medication-overuse headache and chronic migraine and those not on preventive medication do not respond that well to acute care treatment, and the same is true when depression is present.”

No study funding was reported. Four study authors reported ties with Eli Lilly, and two reported employment by Adelphi Real World, which provided the survey results..

SOURCE: Lombard L et al. Headache. 2020;60(7):1325-39. doi: 10.1111/head.13835.

Compared with their counterparts who get more relief, patients with difficult-to-treat migraine are more likely to delay acute treatment and take over-the-counter and opioid painkillers. They are also more likely to have depression and impairment. Overall, insufficient responders—patients less likely to get relief shortly after acute treatment—are “more medically and psychosocially complex,” wrote the authors of the study, which appeared in the July/August issue of Headache.

Common characteristics of insufficient responders

The researchers, led by Louise Lombard, M Nutr, of Eli Lilly and Company, analyzed data from a 2014 cross-sectional survey. They tracked 583 patients with migraine, including 200 (34%) who were considered insufficient responders because they failed to achieve freedom from pain within 2 hours of acute treatment in at least four of five attacks.

The insufficient and sufficient responder groups were similar in age (mean = 40 for both) and gender (80% and 75% female, respectively, P = .170) and race (72% and 77% white, P = .279).

However, insufficient responders were clearly more affected by headaches, multiple treatments, and other burdens. Compared with those who had better responses to treatment, they were more likely to have four or more migraine headache days per month (46% vs. 31%), rebound or medication-overuse headaches (16% vs. 7%) and chronic migraine (12% vs. 5%, all P < .05).

They were also more likely have comorbid depression (38% vs. 22%) and psychological conditions other than depression and anxiety (8% vs. 4%, all P < .05).

As for treatment, insufficient response was higher in patients who waited until the appearance of pain to take medication (odds ratio = 1.83, 95% confidence interval [CI] 1.15–2.92, P = .011, after adjustment for covariates). And insufficient responders were more likely to have been prescribed at least three unique preventive regimens (12% vs. 6%), to take over-the-counter medications (50% vs. 38%) and to take opioid painkillers (16% vs. 8%, all P < .05).

The authors, who caution that the study does not prove cause and effect, wrote that insufficient responders “may benefit from education on how and when to use current treatments.”
 

Managing insufficient responders

Neurology Reviews editor-in-chief Alan M. Rapoport, MD, said the study “confirms a lot of what we knew.” Dr, Rapoport, who was not involved in the study, is clinical professor of neurology at the University of California, Los Angeles.

“As expected, the insufficient responders used more opioids and over-the-counter medications, which is not the ideal way to treat migraine,” he said. “That probably caused them to have medication-overuse headache, which might have caused them to respond poorly to even the best treatment regimen. They also had more severe symptoms, more comorbidities, and a poorer quality of life. They also had more impairment and greater impact on work, with more of them unemployed.”

The insufficient responders also “took medication at the time or after the pain began, rather than before it when they thought the attack was beginning due to premonitory symptoms,” he said.

Dr. Rapoport also noted a surprising and unusual finding: Patients who did not report sensitivity to light as their most bothersome symptom were more likely to be insufficient responders (OR = 2.3, 95% CI [1.21–4.37], P = .011). “In all recent migraine studies,” he said, “the majority of patients selected photophobia as their most bothersome symptom.”

In the big picture, he said, the study suggests that “a third triptan does not seem to work better than the first two, patients with medication-overuse headache and chronic migraine and those not on preventive medication do not respond that well to acute care treatment, and the same is true when depression is present.”

No study funding was reported. Four study authors reported ties with Eli Lilly, and two reported employment by Adelphi Real World, which provided the survey results..

SOURCE: Lombard L et al. Headache. 2020;60(7):1325-39. doi: 10.1111/head.13835.

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