Richard Mark Kirkner

COVID-19 patients who survive their hospitalization don’t leave the disease behind upon discharge, as a significant percentage died within 60 days of discharge, with an ICU admission heightening the risk, according to an observational study of 38 Michigan hospitals. What’s more, many of them were burdened with health and emotional challenges ranging from hospital readmission to job loss and financial problems.

“These data confirm that the toll of COVID-19 extends well beyond hospitalization, a finding consistent with long-term sequelae from sepsis and other severe respiratory viral illnesses,” wrote lead author Vineet Chopra, MBBS, of the University of Michigan, Ann Arbor, and colleagues (Ann Intern Med. 2020 Nov 11: doi: 10.7326/M20-5661)

The researchers found that 29.2% of all patients hospitalized for COVID-19 from March 16 to July 1 died. The observational cohort study included 1,648 COVID-19 patients hospitalized at 38 Michigan hospitals participating in a statewide collaborative.

The bulk of those deaths occurred during hospitalization: 24.2% of patients (n = 398). Of the 1,250 patients discharged, 78% (n = 975) went home and 12.6% (n = 158) went to a skilled nursing facility, with the remainder unaccounted for. Within 60 days of discharge, 6.7% (n = 84) of hospitalized survivors had died and 15.2% (n = 189) were readmitted. The researchers gathered 60-day postdischarge data via a telephone survey, contacting 41.8% (n = 488) of discharged patients.

Outcomes were even worse for discharged patients who spent time in the ICU. The death rate among this group was 10.4% (17 of 165) after discharge. That resulted in an overall study death rate of 63.5% (n = 257) for the 405 patients who were in the ICU.

While the study data were in the first wave of the novel coronavirus, the findings have relevance today, said Mary Jo Farmer, MD, PhD, FCCP, directory of pulmonary hypertension services at Baystate Health in Springfield, Mass.

“This is the best information we have to date,” she said. “We have to continue to have an open mind and expect that this information may change as the virus possibly mutates as it spreads, and we should continue doing these types of outcomes studies at 90 days, 120 days, etc.”

The median age of study patients was 62, with a range of 50-72. The three leading comorbidities among discharged patients were hypertension (n = 800, 64%), diabetes (34.9%, n = 436), and cardiovascular disease (24.1%, n = 301).

Poor postdischarge outcomes weren’t limited to mortality and readmission. Almost 19% (n = 92) reported new or worsening cardiopulmonary symptoms such as cough and dyspnea, 13.3% had a persistent loss of taste or smell, and 12% (n = 58) reported more difficulty with daily living tasks.

The after-effects were not only physical. Nearly half of discharged patients (48.7%, n = 238) reported emotional effects and almost 6% (n = 28) sought mental health care. Among the 40% (n = 195) employed before they were hospitalized, 36% (n = 78) couldn’t return to work because of health issues or layoffs. Sixty percent (n = 117) of the pre-employed discharged patients did return to work, but 25% (n = 30) did so with reduced hours or modified job duties because of health problems.

Financial problems were also a burden. More than a third, 36.7% (n = 179), reported some financial impact from their hospitalization. About 10% (n = 47) said they used most or all of their savings, and 7% (n = 35) said they resorted to rationing necessities such as food or medications.

The researchers noted that one in five patients had no primary care follow-up at 2 months post discharge. “Collectively, these findings suggest that better models to support COVID-19 survivors are necessary,” said Dr. Chopra and colleagues.

The postdischarge course for patients involves two humps, said Sachin Gupta, MD, FCCP a pulmonary and critical care specialist at Alameda Health System in Oakland, Calif.: Getting over the hospitalization itself and the recovery phase. “As you look at the median age of the survivors, elderly patients who survive a hospital stay are still going to have a period of recovery, and like any viral illness that leads to someone being hospitalized, when you have an elderly patient with comorbidities, not all of them can make it over that final hump.”

SOURCE: Chopra V et al. Ann Intern Med. 2020 Nov 11. doi: 10.7326/M20-5661.

COVID-19 patients who survive their hospitalization don’t leave the disease behind upon discharge, as a significant percentage died within 60 days of discharge, with an ICU admission heightening the risk, according to an observational study of 38 Michigan hospitals. What’s more, many of them were burdened with health and emotional challenges ranging from hospital readmission to job loss and financial problems.

“These data confirm that the toll of COVID-19 extends well beyond hospitalization, a finding consistent with long-term sequelae from sepsis and other severe respiratory viral illnesses,” wrote lead author Vineet Chopra, MBBS, of the University of Michigan, Ann Arbor, and colleagues (Ann Intern Med. 2020 Nov 11: doi: 10.7326/M20-5661)

The researchers found that 29.2% of all patients hospitalized for COVID-19 from March 16 to July 1 died. The observational cohort study included 1,648 COVID-19 patients hospitalized at 38 Michigan hospitals participating in a statewide collaborative.

The bulk of those deaths occurred during hospitalization: 24.2% of patients (n = 398). Of the 1,250 patients discharged, 78% (n = 975) went home and 12.6% (n = 158) went to a skilled nursing facility, with the remainder unaccounted for. Within 60 days of discharge, 6.7% (n = 84) of hospitalized survivors had died and 15.2% (n = 189) were readmitted. The researchers gathered 60-day postdischarge data via a telephone survey, contacting 41.8% (n = 488) of discharged patients.

Outcomes were even worse for discharged patients who spent time in the ICU. The death rate among this group was 10.4% (17 of 165) after discharge. That resulted in an overall study death rate of 63.5% (n = 257) for the 405 patients who were in the ICU.

While the study data were in the first wave of the novel coronavirus, the findings have relevance today, said Mary Jo Farmer, MD, PhD, FCCP, directory of pulmonary hypertension services at Baystate Health in Springfield, Mass.

“This is the best information we have to date,” she said. “We have to continue to have an open mind and expect that this information may change as the virus possibly mutates as it spreads, and we should continue doing these types of outcomes studies at 90 days, 120 days, etc.”

The median age of study patients was 62, with a range of 50-72. The three leading comorbidities among discharged patients were hypertension (n = 800, 64%), diabetes (34.9%, n = 436), and cardiovascular disease (24.1%, n = 301).

Poor postdischarge outcomes weren’t limited to mortality and readmission. Almost 19% (n = 92) reported new or worsening cardiopulmonary symptoms such as cough and dyspnea, 13.3% had a persistent loss of taste or smell, and 12% (n = 58) reported more difficulty with daily living tasks.

The after-effects were not only physical. Nearly half of discharged patients (48.7%, n = 238) reported emotional effects and almost 6% (n = 28) sought mental health care. Among the 40% (n = 195) employed before they were hospitalized, 36% (n = 78) couldn’t return to work because of health issues or layoffs. Sixty percent (n = 117) of the pre-employed discharged patients did return to work, but 25% (n = 30) did so with reduced hours or modified job duties because of health problems.

Financial problems were also a burden. More than a third, 36.7% (n = 179), reported some financial impact from their hospitalization. About 10% (n = 47) said they used most or all of their savings, and 7% (n = 35) said they resorted to rationing necessities such as food or medications.

The researchers noted that one in five patients had no primary care follow-up at 2 months post discharge. “Collectively, these findings suggest that better models to support COVID-19 survivors are necessary,” said Dr. Chopra and colleagues.

The postdischarge course for patients involves two humps, said Sachin Gupta, MD, FCCP a pulmonary and critical care specialist at Alameda Health System in Oakland, Calif.: Getting over the hospitalization itself and the recovery phase. “As you look at the median age of the survivors, elderly patients who survive a hospital stay are still going to have a period of recovery, and like any viral illness that leads to someone being hospitalized, when you have an elderly patient with comorbidities, not all of them can make it over that final hump.”

SOURCE: Chopra V et al. Ann Intern Med. 2020 Nov 11. doi: 10.7326/M20-5661.

COVID-19 patients who survive their hospitalization don’t leave the disease behind upon discharge, as a significant percentage died within 60 days of discharge, with an ICU admission heightening the risk, according to an observational study of 38 Michigan hospitals. What’s more, many of them were burdened with health and emotional challenges ranging from hospital readmission to job loss and financial problems.

“These data confirm that the toll of COVID-19 extends well beyond hospitalization, a finding consistent with long-term sequelae from sepsis and other severe respiratory viral illnesses,” wrote lead author Vineet Chopra, MBBS, of the University of Michigan, Ann Arbor, and colleagues (Ann Intern Med. 2020 Nov 11: doi: 10.7326/M20-5661)

The researchers found that 29.2% of all patients hospitalized for COVID-19 from March 16 to July 1 died. The observational cohort study included 1,648 COVID-19 patients hospitalized at 38 Michigan hospitals participating in a statewide collaborative.

The bulk of those deaths occurred during hospitalization: 24.2% of patients (n = 398). Of the 1,250 patients discharged, 78% (n = 975) went home and 12.6% (n = 158) went to a skilled nursing facility, with the remainder unaccounted for. Within 60 days of discharge, 6.7% (n = 84) of hospitalized survivors had died and 15.2% (n = 189) were readmitted. The researchers gathered 60-day postdischarge data via a telephone survey, contacting 41.8% (n = 488) of discharged patients.

Outcomes were even worse for discharged patients who spent time in the ICU. The death rate among this group was 10.4% (17 of 165) after discharge. That resulted in an overall study death rate of 63.5% (n = 257) for the 405 patients who were in the ICU.

While the study data were in the first wave of the novel coronavirus, the findings have relevance today, said Mary Jo Farmer, MD, PhD, FCCP, directory of pulmonary hypertension services at Baystate Health in Springfield, Mass.

“This is the best information we have to date,” she said. “We have to continue to have an open mind and expect that this information may change as the virus possibly mutates as it spreads, and we should continue doing these types of outcomes studies at 90 days, 120 days, etc.”

The median age of study patients was 62, with a range of 50-72. The three leading comorbidities among discharged patients were hypertension (n = 800, 64%), diabetes (34.9%, n = 436), and cardiovascular disease (24.1%, n = 301).

Poor postdischarge outcomes weren’t limited to mortality and readmission. Almost 19% (n = 92) reported new or worsening cardiopulmonary symptoms such as cough and dyspnea, 13.3% had a persistent loss of taste or smell, and 12% (n = 58) reported more difficulty with daily living tasks.

The after-effects were not only physical. Nearly half of discharged patients (48.7%, n = 238) reported emotional effects and almost 6% (n = 28) sought mental health care. Among the 40% (n = 195) employed before they were hospitalized, 36% (n = 78) couldn’t return to work because of health issues or layoffs. Sixty percent (n = 117) of the pre-employed discharged patients did return to work, but 25% (n = 30) did so with reduced hours or modified job duties because of health problems.

Financial problems were also a burden. More than a third, 36.7% (n = 179), reported some financial impact from their hospitalization. About 10% (n = 47) said they used most or all of their savings, and 7% (n = 35) said they resorted to rationing necessities such as food or medications.

The researchers noted that one in five patients had no primary care follow-up at 2 months post discharge. “Collectively, these findings suggest that better models to support COVID-19 survivors are necessary,” said Dr. Chopra and colleagues.

The postdischarge course for patients involves two humps, said Sachin Gupta, MD, FCCP a pulmonary and critical care specialist at Alameda Health System in Oakland, Calif.: Getting over the hospitalization itself and the recovery phase. “As you look at the median age of the survivors, elderly patients who survive a hospital stay are still going to have a period of recovery, and like any viral illness that leads to someone being hospitalized, when you have an elderly patient with comorbidities, not all of them can make it over that final hump.”

SOURCE: Chopra V et al. Ann Intern Med. 2020 Nov 11. doi: 10.7326/M20-5661.

Safety measures for lab monitoring of mineralocorticoid receptor agonist therapy, performance measures for sacubitril/valsartan, cardiac resynchronization therapy and titration of medications, and quality measures based on patient-reported outcomes are among the updates the joint task force of the American College of Cardiology and the American Heart Association have made to performance and quality measures for managing adults with heart failure.

The revisions, published online Nov. 2 in the Journal of the American College of Cardiology, update the 2011 ACC/AHA heart failure measure set, writing committee vice chair Gregg C. Fonarow, MD, said in an interview. The 2011 measure set predates the 2015 approval of the angiotensin receptor neprilysin inhibitor (ARNI) sacubitril/valsartan for heart failure in adults.
 

Measures stress dosages, strength of evidence

“For the first time the heart failure performance measure sets also focus on not just the use of guideline-recommended medication at any dose, but on utilizing the doses that are evidence-based and guideline recommended so long as they are well tolerated,” said Dr. Fonarow, interim chief of cardiology at the University of California, Los Angeles. “The measure set now includes assessment of patients being treated with doses of medications at 50% or greater of target dose in the absence of contraindications or documented intolerance.”

The update includes seven new performance measures, two quality measures, and one structural measure. The performance measures come from the strongest recommendations – that is, a class of recommendation of 1 (strong) or 3 (no benefit or harmful, process to be avoided) – in the 2017 ACC/AHA/Heart Failure Society of American heart failure guideline update published in Circulation.

In addition to the 2017 update, the writing committee also reviewed existing performance measures. “Those management strategies, diagnostic testing, medications, and devices with the strongest evidence and highest level of guideline recommendations were further considered for inclusion in the performance measure set,” Dr. Fonarow said. “The measures went through extensive review by peer reviewers and approval from the organizations represented.”

Specifically, the update includes measures for monitoring serum potassium after starting mineralocorticoid receptor antagonists therapy, and cardiac resynchronization therapy for patients with heart failure with reduced ejection fraction already on guideline-directed therapy. “This therapy can significantly improve functional capacity and outcomes in appropriately selected patients,” Dr. Fonarow said.
 

New and retired measures

The update adds two performance measures for titration of medications based on dose, either reaching 50% of the recommended dose for a variety of medications, including ARNI, or documenting that the dose wasn’t tolerated for other reason for not using the dose.

The new structural measure calls for facility participation in a heart failure registry. The revised measure set now consists of 18 measures in all.

The update retired one measure from the 2011 set: left ventricular ejection fraction assessment for inpatients. The committee cited its use above 97% as the reason, but LVEF in outpatients remains a measure.

The following tree measures have been revised:

• Patient self-care education has moved from performance measure to quality measure because of concerns about the accuracy of self-care education documentation and limited evidence of improved outcomes with better documentation.
• ACE inhibitor or angiotensin receptor blocker therapy for left ventricular systolic dysfunction adds ARNI therapy to align with the 2017 ACC/AHA/HFSA update.
• Postdischarge appointments shifts from performance to quality measure and include a 7-day limit.

Measures future research should focus on, noted Dr. Fonarow, include the use of sodium glucose cotransporter 2 (SGLT2) inhibitors for heart failure, including in patients without diabetes. “Since the ACC/AHA heart failure guidelines had not yet been updated to recommend these therapies they could not be included in this performance measure set,” he said.

He also said “an urgent need” exists for further research into treatments for heart failure with preserved ejection fraction along with optimal implementation strategies.  

“If these ACC/AHA heart failure performance measures were applied in all settings in which patients with heart failure in the United States are being cared for, and optimal and equitable conformity with each of these measures were achieved, over 100,000 lives a year of patients with heart failure could be saved,” he said. “There’s in an urgent need to measure and improve heart failure care quality.”

Dr. Fonarow reported financial relationships with Abbott, Amgen, AstraZeneca, CHF Solutions, Janssen, Medtronic, Merck, and Novartis.

SOURCE: American College of Cardiology/American Heart Association Task Force on Performance Measures. J Am Coll Cardiol. 2020 Nov 2;76:2527-64.

Safety measures for lab monitoring of mineralocorticoid receptor agonist therapy, performance measures for sacubitril/valsartan, cardiac resynchronization therapy and titration of medications, and quality measures based on patient-reported outcomes are among the updates the joint task force of the American College of Cardiology and the American Heart Association have made to performance and quality measures for managing adults with heart failure.

The revisions, published online Nov. 2 in the Journal of the American College of Cardiology, update the 2011 ACC/AHA heart failure measure set, writing committee vice chair Gregg C. Fonarow, MD, said in an interview. The 2011 measure set predates the 2015 approval of the angiotensin receptor neprilysin inhibitor (ARNI) sacubitril/valsartan for heart failure in adults.
 

Measures stress dosages, strength of evidence

“For the first time the heart failure performance measure sets also focus on not just the use of guideline-recommended medication at any dose, but on utilizing the doses that are evidence-based and guideline recommended so long as they are well tolerated,” said Dr. Fonarow, interim chief of cardiology at the University of California, Los Angeles. “The measure set now includes assessment of patients being treated with doses of medications at 50% or greater of target dose in the absence of contraindications or documented intolerance.”

The update includes seven new performance measures, two quality measures, and one structural measure. The performance measures come from the strongest recommendations – that is, a class of recommendation of 1 (strong) or 3 (no benefit or harmful, process to be avoided) – in the 2017 ACC/AHA/Heart Failure Society of American heart failure guideline update published in Circulation.

In addition to the 2017 update, the writing committee also reviewed existing performance measures. “Those management strategies, diagnostic testing, medications, and devices with the strongest evidence and highest level of guideline recommendations were further considered for inclusion in the performance measure set,” Dr. Fonarow said. “The measures went through extensive review by peer reviewers and approval from the organizations represented.”

Specifically, the update includes measures for monitoring serum potassium after starting mineralocorticoid receptor antagonists therapy, and cardiac resynchronization therapy for patients with heart failure with reduced ejection fraction already on guideline-directed therapy. “This therapy can significantly improve functional capacity and outcomes in appropriately selected patients,” Dr. Fonarow said.
 

New and retired measures

The update adds two performance measures for titration of medications based on dose, either reaching 50% of the recommended dose for a variety of medications, including ARNI, or documenting that the dose wasn’t tolerated for other reason for not using the dose.

The new structural measure calls for facility participation in a heart failure registry. The revised measure set now consists of 18 measures in all.

The update retired one measure from the 2011 set: left ventricular ejection fraction assessment for inpatients. The committee cited its use above 97% as the reason, but LVEF in outpatients remains a measure.

The following tree measures have been revised:

• Patient self-care education has moved from performance measure to quality measure because of concerns about the accuracy of self-care education documentation and limited evidence of improved outcomes with better documentation.
• ACE inhibitor or angiotensin receptor blocker therapy for left ventricular systolic dysfunction adds ARNI therapy to align with the 2017 ACC/AHA/HFSA update.
• Postdischarge appointments shifts from performance to quality measure and include a 7-day limit.

Measures future research should focus on, noted Dr. Fonarow, include the use of sodium glucose cotransporter 2 (SGLT2) inhibitors for heart failure, including in patients without diabetes. “Since the ACC/AHA heart failure guidelines had not yet been updated to recommend these therapies they could not be included in this performance measure set,” he said.

He also said “an urgent need” exists for further research into treatments for heart failure with preserved ejection fraction along with optimal implementation strategies.  

“If these ACC/AHA heart failure performance measures were applied in all settings in which patients with heart failure in the United States are being cared for, and optimal and equitable conformity with each of these measures were achieved, over 100,000 lives a year of patients with heart failure could be saved,” he said. “There’s in an urgent need to measure and improve heart failure care quality.”

Dr. Fonarow reported financial relationships with Abbott, Amgen, AstraZeneca, CHF Solutions, Janssen, Medtronic, Merck, and Novartis.

SOURCE: American College of Cardiology/American Heart Association Task Force on Performance Measures. J Am Coll Cardiol. 2020 Nov 2;76:2527-64.

Safety measures for lab monitoring of mineralocorticoid receptor agonist therapy, performance measures for sacubitril/valsartan, cardiac resynchronization therapy and titration of medications, and quality measures based on patient-reported outcomes are among the updates the joint task force of the American College of Cardiology and the American Heart Association have made to performance and quality measures for managing adults with heart failure.

The revisions, published online Nov. 2 in the Journal of the American College of Cardiology, update the 2011 ACC/AHA heart failure measure set, writing committee vice chair Gregg C. Fonarow, MD, said in an interview. The 2011 measure set predates the 2015 approval of the angiotensin receptor neprilysin inhibitor (ARNI) sacubitril/valsartan for heart failure in adults.
 

Measures stress dosages, strength of evidence

“For the first time the heart failure performance measure sets also focus on not just the use of guideline-recommended medication at any dose, but on utilizing the doses that are evidence-based and guideline recommended so long as they are well tolerated,” said Dr. Fonarow, interim chief of cardiology at the University of California, Los Angeles. “The measure set now includes assessment of patients being treated with doses of medications at 50% or greater of target dose in the absence of contraindications or documented intolerance.”

The update includes seven new performance measures, two quality measures, and one structural measure. The performance measures come from the strongest recommendations – that is, a class of recommendation of 1 (strong) or 3 (no benefit or harmful, process to be avoided) – in the 2017 ACC/AHA/Heart Failure Society of American heart failure guideline update published in Circulation.

In addition to the 2017 update, the writing committee also reviewed existing performance measures. “Those management strategies, diagnostic testing, medications, and devices with the strongest evidence and highest level of guideline recommendations were further considered for inclusion in the performance measure set,” Dr. Fonarow said. “The measures went through extensive review by peer reviewers and approval from the organizations represented.”

Specifically, the update includes measures for monitoring serum potassium after starting mineralocorticoid receptor antagonists therapy, and cardiac resynchronization therapy for patients with heart failure with reduced ejection fraction already on guideline-directed therapy. “This therapy can significantly improve functional capacity and outcomes in appropriately selected patients,” Dr. Fonarow said.
 

New and retired measures

The update adds two performance measures for titration of medications based on dose, either reaching 50% of the recommended dose for a variety of medications, including ARNI, or documenting that the dose wasn’t tolerated for other reason for not using the dose.

The new structural measure calls for facility participation in a heart failure registry. The revised measure set now consists of 18 measures in all.

The update retired one measure from the 2011 set: left ventricular ejection fraction assessment for inpatients. The committee cited its use above 97% as the reason, but LVEF in outpatients remains a measure.

The following tree measures have been revised:

• Patient self-care education has moved from performance measure to quality measure because of concerns about the accuracy of self-care education documentation and limited evidence of improved outcomes with better documentation.
• ACE inhibitor or angiotensin receptor blocker therapy for left ventricular systolic dysfunction adds ARNI therapy to align with the 2017 ACC/AHA/HFSA update.
• Postdischarge appointments shifts from performance to quality measure and include a 7-day limit.

Measures future research should focus on, noted Dr. Fonarow, include the use of sodium glucose cotransporter 2 (SGLT2) inhibitors for heart failure, including in patients without diabetes. “Since the ACC/AHA heart failure guidelines had not yet been updated to recommend these therapies they could not be included in this performance measure set,” he said.

He also said “an urgent need” exists for further research into treatments for heart failure with preserved ejection fraction along with optimal implementation strategies.  

“If these ACC/AHA heart failure performance measures were applied in all settings in which patients with heart failure in the United States are being cared for, and optimal and equitable conformity with each of these measures were achieved, over 100,000 lives a year of patients with heart failure could be saved,” he said. “There’s in an urgent need to measure and improve heart failure care quality.”

Dr. Fonarow reported financial relationships with Abbott, Amgen, AstraZeneca, CHF Solutions, Janssen, Medtronic, Merck, and Novartis.

SOURCE: American College of Cardiology/American Heart Association Task Force on Performance Measures. J Am Coll Cardiol. 2020 Nov 2;76:2527-64.

A mutation of the ODC1 gene, which plays a key role in polyamine metabolism, has been implicated in a syndromic neurodevelopmental disorder first described in 2018 and linked to a number of dysmorphic features and brain abnormalities, but it may be treated with diet modifications and available therapies, according to the researcher whose group first identified the disorder.

Lance Rodan, MD, of Boston Children’s Hospital and Harvard Medical School, reported on research into ODC1 gain-of-function disorder –named for ornithine decarboxylase 1, the rate-limiting enzyme involved in polyamine synthesis – in the Linda De Meirleir Neurometabolic award lecture at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Dr. Rodan and colleagues first described ODC1 disorder in a multicenter case series.

Dr. Rodan noted that dysregulated polyamine levels are associated with cancer, and that ODC1 is expressed “ubiquitously” throughout the body.
 

Pathophysiology and phenotypes

In an interview, he described the metabolic process more fully. “GI flora can produce putrescine, which is the polyamine that accumulates in excess in the ODC1 gain-of-function disorder. It is yet to be elucidated if decreasing putrescine production by GI flora and/or reducing dietary sources of putrescine may play a role in the management of this disorder.” 

In the De Meirleir lecture, Dr. Rodan described four patients from his group’s published case series, all found to have heterozygous de novo variants in the ODC1 gene, along with a fifth patient reported by Caleb Bupp, MD, and colleagues at Michigan State University, East Lansing.

“There’s a recognizable phenotype to this disorder,” Dr. Rodan said. “These individuals have neurodevelopment abnormalities. They may have behavioral concerns. They have low-tone central hypertonia and macrocephaly.”

One of the most distinctive characteristics of ODC1 disorder is alopecia, he said, “which in almost everybody with this condition involves the eyebrows and eyelashes and in some individuals also involves the scalp hair.”

These patients also have what Dr. Rodan called “a common yet subtle facial gestalt.” That can include hypertelorism, spareness of the eyebrows and eyelashes, and a tubular- shaped nose with a short columella and a short philtrum.

They may also have abnormalities of the nails and cryptorchidism, and typically a prenatal history of polyhydramnios, he said.

MRI findings include prominent perivascular spaces, periventricular cysts, abnormal white matter and corpus callosum abnormalities, he said, adding that the fetal case MRI demonstrated subepidermal cysts, white matter cysts in the temporal pole, deficiency of the falx cerebri and abnormal white-matter signals.

Biochemical features of ODC1 disorder include increased N-acetylputrescine levels with normal spermine and spermidine levels, Dr. Rodan said. He also noted that Dr. Bupp’s group reported increased putrescine in fibroblasts and increased ODC1 protein levels in red blood cells.

Dr. Rodan also described possible molecular mechanisms in ODC1 disorder. One was the location of the ODC1 variants: all were reported closely located to truncating variants in the final exon of the ODC1 gene. This allows truncating proteins to survive, adding to the degradation that results in a net gain-of-function of ODC1 enzyme activity.

With regard to pathophysiology of ODC1 disorder, Dr. Rodan noted that research has implicated chronically elevated putrescine levels in the alopecia, a finding animal models support. “Since putrescine is a precursor for gamma-aminobutyric acid, it’s possible perturbed GABA levels may also be involved,” he said. Abnormal modulation N-methyl-D-aspirate receptors may also be involved, he said.

Another hypothesis purports that potential of elevated levels of toxic aldehydes/H₂O₂ similar to Snyder-Robinson syndrome, the better known polyamine-related neurometabolic disorder. “Along those lines, maybe there’s also a secondary mitochondrial or lysosomal dysfunction, but this is something that’s still being actively studied,” Dr. Rodan said.
 

Treatment

Because ODC1 disorder was only first described 2 years ago, research into treatment is nascent. “In terms of management, I think one of the more fundamental questions is whether this is more of a static developmental disorder or whether this actually represents a progressive degenerative disorder,” Dr. Rodan said.

One potential treatment that has been explored, he said, is difluoromethylornithine, a synthetic ODC1 inhibitor already Food and Drug Administration approved for African sleeping sickness and as a topical treatment for hirsutism. It is also the subject of ongoing clinical trials in colon cancer and neuroblastoma. Potential side effects include myelosuppression, seizures and hearing loss.

Dr. Rodan noted that a single-center study reported that difluoromethylornithine in a 3-year-old patient with ODC1 disorder reduced ODC protein activity and putrescine to control levels.

Other potential treatments include the natural ODC1 inhibitors agmatine and turmeric/curcumin, flagyl/rifaximin to decrease putrescine production in the gut, a low-dairy diet to lower putrescine levels, and antioxidants. “There could be a role for antioxidant stress similar to what is seen in Snyder-Robinson syndrome,” Dr. Rodan said.

Based on mouse studies, patients with ODC1 may be at risk of skin cancer, so regular skin checks along with sun protection should be part of management, he said. “This also raises the question of whether there should be surveillance for other types of cancer given the role of polyamine in various types of tumors.”

Dr. Rodan has no relevant financial relationships to disclose.

A mutation of the ODC1 gene, which plays a key role in polyamine metabolism, has been implicated in a syndromic neurodevelopmental disorder first described in 2018 and linked to a number of dysmorphic features and brain abnormalities, but it may be treated with diet modifications and available therapies, according to the researcher whose group first identified the disorder.

Lance Rodan, MD, of Boston Children’s Hospital and Harvard Medical School, reported on research into ODC1 gain-of-function disorder –named for ornithine decarboxylase 1, the rate-limiting enzyme involved in polyamine synthesis – in the Linda De Meirleir Neurometabolic award lecture at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Dr. Rodan and colleagues first described ODC1 disorder in a multicenter case series.

Dr. Rodan noted that dysregulated polyamine levels are associated with cancer, and that ODC1 is expressed “ubiquitously” throughout the body.
 

Pathophysiology and phenotypes

In an interview, he described the metabolic process more fully. “GI flora can produce putrescine, which is the polyamine that accumulates in excess in the ODC1 gain-of-function disorder. It is yet to be elucidated if decreasing putrescine production by GI flora and/or reducing dietary sources of putrescine may play a role in the management of this disorder.” 

In the De Meirleir lecture, Dr. Rodan described four patients from his group’s published case series, all found to have heterozygous de novo variants in the ODC1 gene, along with a fifth patient reported by Caleb Bupp, MD, and colleagues at Michigan State University, East Lansing.

“There’s a recognizable phenotype to this disorder,” Dr. Rodan said. “These individuals have neurodevelopment abnormalities. They may have behavioral concerns. They have low-tone central hypertonia and macrocephaly.”

One of the most distinctive characteristics of ODC1 disorder is alopecia, he said, “which in almost everybody with this condition involves the eyebrows and eyelashes and in some individuals also involves the scalp hair.”

These patients also have what Dr. Rodan called “a common yet subtle facial gestalt.” That can include hypertelorism, spareness of the eyebrows and eyelashes, and a tubular- shaped nose with a short columella and a short philtrum.

They may also have abnormalities of the nails and cryptorchidism, and typically a prenatal history of polyhydramnios, he said.

MRI findings include prominent perivascular spaces, periventricular cysts, abnormal white matter and corpus callosum abnormalities, he said, adding that the fetal case MRI demonstrated subepidermal cysts, white matter cysts in the temporal pole, deficiency of the falx cerebri and abnormal white-matter signals.

Biochemical features of ODC1 disorder include increased N-acetylputrescine levels with normal spermine and spermidine levels, Dr. Rodan said. He also noted that Dr. Bupp’s group reported increased putrescine in fibroblasts and increased ODC1 protein levels in red blood cells.

Dr. Rodan also described possible molecular mechanisms in ODC1 disorder. One was the location of the ODC1 variants: all were reported closely located to truncating variants in the final exon of the ODC1 gene. This allows truncating proteins to survive, adding to the degradation that results in a net gain-of-function of ODC1 enzyme activity.

With regard to pathophysiology of ODC1 disorder, Dr. Rodan noted that research has implicated chronically elevated putrescine levels in the alopecia, a finding animal models support. “Since putrescine is a precursor for gamma-aminobutyric acid, it’s possible perturbed GABA levels may also be involved,” he said. Abnormal modulation N-methyl-D-aspirate receptors may also be involved, he said.

Another hypothesis purports that potential of elevated levels of toxic aldehydes/H₂O₂ similar to Snyder-Robinson syndrome, the better known polyamine-related neurometabolic disorder. “Along those lines, maybe there’s also a secondary mitochondrial or lysosomal dysfunction, but this is something that’s still being actively studied,” Dr. Rodan said.
 

Treatment

Because ODC1 disorder was only first described 2 years ago, research into treatment is nascent. “In terms of management, I think one of the more fundamental questions is whether this is more of a static developmental disorder or whether this actually represents a progressive degenerative disorder,” Dr. Rodan said.

One potential treatment that has been explored, he said, is difluoromethylornithine, a synthetic ODC1 inhibitor already Food and Drug Administration approved for African sleeping sickness and as a topical treatment for hirsutism. It is also the subject of ongoing clinical trials in colon cancer and neuroblastoma. Potential side effects include myelosuppression, seizures and hearing loss.

Dr. Rodan noted that a single-center study reported that difluoromethylornithine in a 3-year-old patient with ODC1 disorder reduced ODC protein activity and putrescine to control levels.

Other potential treatments include the natural ODC1 inhibitors agmatine and turmeric/curcumin, flagyl/rifaximin to decrease putrescine production in the gut, a low-dairy diet to lower putrescine levels, and antioxidants. “There could be a role for antioxidant stress similar to what is seen in Snyder-Robinson syndrome,” Dr. Rodan said.

Based on mouse studies, patients with ODC1 may be at risk of skin cancer, so regular skin checks along with sun protection should be part of management, he said. “This also raises the question of whether there should be surveillance for other types of cancer given the role of polyamine in various types of tumors.”

Dr. Rodan has no relevant financial relationships to disclose.

A mutation of the ODC1 gene, which plays a key role in polyamine metabolism, has been implicated in a syndromic neurodevelopmental disorder first described in 2018 and linked to a number of dysmorphic features and brain abnormalities, but it may be treated with diet modifications and available therapies, according to the researcher whose group first identified the disorder.

Lance Rodan, MD, of Boston Children’s Hospital and Harvard Medical School, reported on research into ODC1 gain-of-function disorder –named for ornithine decarboxylase 1, the rate-limiting enzyme involved in polyamine synthesis – in the Linda De Meirleir Neurometabolic award lecture at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Dr. Rodan and colleagues first described ODC1 disorder in a multicenter case series.

Dr. Rodan noted that dysregulated polyamine levels are associated with cancer, and that ODC1 is expressed “ubiquitously” throughout the body.
 

Pathophysiology and phenotypes

In an interview, he described the metabolic process more fully. “GI flora can produce putrescine, which is the polyamine that accumulates in excess in the ODC1 gain-of-function disorder. It is yet to be elucidated if decreasing putrescine production by GI flora and/or reducing dietary sources of putrescine may play a role in the management of this disorder.” 

In the De Meirleir lecture, Dr. Rodan described four patients from his group’s published case series, all found to have heterozygous de novo variants in the ODC1 gene, along with a fifth patient reported by Caleb Bupp, MD, and colleagues at Michigan State University, East Lansing.

“There’s a recognizable phenotype to this disorder,” Dr. Rodan said. “These individuals have neurodevelopment abnormalities. They may have behavioral concerns. They have low-tone central hypertonia and macrocephaly.”

One of the most distinctive characteristics of ODC1 disorder is alopecia, he said, “which in almost everybody with this condition involves the eyebrows and eyelashes and in some individuals also involves the scalp hair.”

These patients also have what Dr. Rodan called “a common yet subtle facial gestalt.” That can include hypertelorism, spareness of the eyebrows and eyelashes, and a tubular- shaped nose with a short columella and a short philtrum.

They may also have abnormalities of the nails and cryptorchidism, and typically a prenatal history of polyhydramnios, he said.

MRI findings include prominent perivascular spaces, periventricular cysts, abnormal white matter and corpus callosum abnormalities, he said, adding that the fetal case MRI demonstrated subepidermal cysts, white matter cysts in the temporal pole, deficiency of the falx cerebri and abnormal white-matter signals.

Biochemical features of ODC1 disorder include increased N-acetylputrescine levels with normal spermine and spermidine levels, Dr. Rodan said. He also noted that Dr. Bupp’s group reported increased putrescine in fibroblasts and increased ODC1 protein levels in red blood cells.

Dr. Rodan also described possible molecular mechanisms in ODC1 disorder. One was the location of the ODC1 variants: all were reported closely located to truncating variants in the final exon of the ODC1 gene. This allows truncating proteins to survive, adding to the degradation that results in a net gain-of-function of ODC1 enzyme activity.

With regard to pathophysiology of ODC1 disorder, Dr. Rodan noted that research has implicated chronically elevated putrescine levels in the alopecia, a finding animal models support. “Since putrescine is a precursor for gamma-aminobutyric acid, it’s possible perturbed GABA levels may also be involved,” he said. Abnormal modulation N-methyl-D-aspirate receptors may also be involved, he said.

Another hypothesis purports that potential of elevated levels of toxic aldehydes/H₂O₂ similar to Snyder-Robinson syndrome, the better known polyamine-related neurometabolic disorder. “Along those lines, maybe there’s also a secondary mitochondrial or lysosomal dysfunction, but this is something that’s still being actively studied,” Dr. Rodan said.
 

Treatment

Because ODC1 disorder was only first described 2 years ago, research into treatment is nascent. “In terms of management, I think one of the more fundamental questions is whether this is more of a static developmental disorder or whether this actually represents a progressive degenerative disorder,” Dr. Rodan said.

One potential treatment that has been explored, he said, is difluoromethylornithine, a synthetic ODC1 inhibitor already Food and Drug Administration approved for African sleeping sickness and as a topical treatment for hirsutism. It is also the subject of ongoing clinical trials in colon cancer and neuroblastoma. Potential side effects include myelosuppression, seizures and hearing loss.

Dr. Rodan noted that a single-center study reported that difluoromethylornithine in a 3-year-old patient with ODC1 disorder reduced ODC protein activity and putrescine to control levels.

Other potential treatments include the natural ODC1 inhibitors agmatine and turmeric/curcumin, flagyl/rifaximin to decrease putrescine production in the gut, a low-dairy diet to lower putrescine levels, and antioxidants. “There could be a role for antioxidant stress similar to what is seen in Snyder-Robinson syndrome,” Dr. Rodan said.

Based on mouse studies, patients with ODC1 may be at risk of skin cancer, so regular skin checks along with sun protection should be part of management, he said. “This also raises the question of whether there should be surveillance for other types of cancer given the role of polyamine in various types of tumors.”

Dr. Rodan has no relevant financial relationships to disclose.

Maintaining antiseizure medication in infants who have had acute symptomatic neonatal seizures has been standard practice, but a prospective, observational, comparative effectiveness study calls that practice into question, providing evidence that discontinuing therapy at discharge poses no harm to children and has no effect on the development of epilepsies.

“The balance of evidence supports discontinuing antiseizure medication after resolution of acute symptomatic neonatal seizures and before discharge home from the neonatal seizure admission,” said Hannah C. Glass, MDCM, MAS, of the University of California, San Francisco, Benioff Children’s Hospital, co-principal investigator, who presented results of the study at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Renee Shellhaas, MD, MS, clinical associate professor of pediatrics at C.S. Mott Children’s Hospital, University of Michigan, was the other co-principal investigator.

“Although other, smaller studies have suggested it is safe to discontinue antiseizure medication after resolution of acute symptomatic seizures, the practice of early discontinuation has been very variable and depends largely on individual provider preference,” Dr. Glass said in an interview. “In our study, two-thirds of newborns with acute symptomatic seizures were maintained on antiseizure medication at the time of hospital discharge. Thus, a change to early medication discontinuation represents a major shift.” 

The study evaluated 270 infants at nine centers enrolled in the Neonatal Seizure Registry and born from July 2015 through March 2018. Inclusion criteria were acute symptomatic seizures that occurred at up to 44 weeks postmenstrual age. In this cohort, 36% of patients had antiseizure medication discontinued after a median of 6 days; the remainder stayed on antiseizure medication after discharge at a median of 4 months.

The patients were followed for 2 years. The primary outcome was functional development measured by the Warner Initial Development Evaluation of Adaptive and Functional Skills (WIDEA-FS) assessment. The secondary outcome was epilepsy defined by International League Against Epilepsy (ILAE) criteria. Follow-up consisted of phone calls and chart reviews at 12, 18, and 24 months.

“The primary outcome, functional development, was not significantly different between those children who were maintained on antiseizure medication as compared with those who were discontinued,” Dr. Glass said.

After propensity adjustment, the discontinued ASM group had an estimated WIDEA-FS score 4 points higher on average, she said. “The confidence intervals met our a priori noninferiority limit, indicating no harm to neurodevelopment for discontinuing antiseizure medication before discharge home from the neonatal seizure admission,” Dr. Glass noted.

The study also found that 13% of all participants developed epilepsy at a median of 8 months. “There was no significant difference in the frequency or timing of epilepsy between the two groups,” she said.

“We conclude there is no clear rationale for antiseizure medication maintenance,” Dr. Glass said. “There is no benefit to neurodevelopment, it prolongs the exposure to potentially harmful antiseizure medications, it does not significantly delay the onset of epilepsy, and the earliest-onset epilepsies occur in spite of antiseizure medication.”

The Patient-Centered Outcomes Research Institute (PCORI) and Pediatric Epilepsy Research Foundation funded the study. Dr. Glass has no other financial relationships to disclose.

SOURCE: Glass HC et al. CNS-ICNA 2020. Presentation PL58.

Maintaining antiseizure medication in infants who have had acute symptomatic neonatal seizures has been standard practice, but a prospective, observational, comparative effectiveness study calls that practice into question, providing evidence that discontinuing therapy at discharge poses no harm to children and has no effect on the development of epilepsies.

“The balance of evidence supports discontinuing antiseizure medication after resolution of acute symptomatic neonatal seizures and before discharge home from the neonatal seizure admission,” said Hannah C. Glass, MDCM, MAS, of the University of California, San Francisco, Benioff Children’s Hospital, co-principal investigator, who presented results of the study at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Renee Shellhaas, MD, MS, clinical associate professor of pediatrics at C.S. Mott Children’s Hospital, University of Michigan, was the other co-principal investigator.

“Although other, smaller studies have suggested it is safe to discontinue antiseizure medication after resolution of acute symptomatic seizures, the practice of early discontinuation has been very variable and depends largely on individual provider preference,” Dr. Glass said in an interview. “In our study, two-thirds of newborns with acute symptomatic seizures were maintained on antiseizure medication at the time of hospital discharge. Thus, a change to early medication discontinuation represents a major shift.” 

The study evaluated 270 infants at nine centers enrolled in the Neonatal Seizure Registry and born from July 2015 through March 2018. Inclusion criteria were acute symptomatic seizures that occurred at up to 44 weeks postmenstrual age. In this cohort, 36% of patients had antiseizure medication discontinued after a median of 6 days; the remainder stayed on antiseizure medication after discharge at a median of 4 months.

The patients were followed for 2 years. The primary outcome was functional development measured by the Warner Initial Development Evaluation of Adaptive and Functional Skills (WIDEA-FS) assessment. The secondary outcome was epilepsy defined by International League Against Epilepsy (ILAE) criteria. Follow-up consisted of phone calls and chart reviews at 12, 18, and 24 months.

“The primary outcome, functional development, was not significantly different between those children who were maintained on antiseizure medication as compared with those who were discontinued,” Dr. Glass said.

After propensity adjustment, the discontinued ASM group had an estimated WIDEA-FS score 4 points higher on average, she said. “The confidence intervals met our a priori noninferiority limit, indicating no harm to neurodevelopment for discontinuing antiseizure medication before discharge home from the neonatal seizure admission,” Dr. Glass noted.

The study also found that 13% of all participants developed epilepsy at a median of 8 months. “There was no significant difference in the frequency or timing of epilepsy between the two groups,” she said.

“We conclude there is no clear rationale for antiseizure medication maintenance,” Dr. Glass said. “There is no benefit to neurodevelopment, it prolongs the exposure to potentially harmful antiseizure medications, it does not significantly delay the onset of epilepsy, and the earliest-onset epilepsies occur in spite of antiseizure medication.”

The Patient-Centered Outcomes Research Institute (PCORI) and Pediatric Epilepsy Research Foundation funded the study. Dr. Glass has no other financial relationships to disclose.

SOURCE: Glass HC et al. CNS-ICNA 2020. Presentation PL58.

Maintaining antiseizure medication in infants who have had acute symptomatic neonatal seizures has been standard practice, but a prospective, observational, comparative effectiveness study calls that practice into question, providing evidence that discontinuing therapy at discharge poses no harm to children and has no effect on the development of epilepsies.

“The balance of evidence supports discontinuing antiseizure medication after resolution of acute symptomatic neonatal seizures and before discharge home from the neonatal seizure admission,” said Hannah C. Glass, MDCM, MAS, of the University of California, San Francisco, Benioff Children’s Hospital, co-principal investigator, who presented results of the study at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year. Renee Shellhaas, MD, MS, clinical associate professor of pediatrics at C.S. Mott Children’s Hospital, University of Michigan, was the other co-principal investigator.

“Although other, smaller studies have suggested it is safe to discontinue antiseizure medication after resolution of acute symptomatic seizures, the practice of early discontinuation has been very variable and depends largely on individual provider preference,” Dr. Glass said in an interview. “In our study, two-thirds of newborns with acute symptomatic seizures were maintained on antiseizure medication at the time of hospital discharge. Thus, a change to early medication discontinuation represents a major shift.” 

The study evaluated 270 infants at nine centers enrolled in the Neonatal Seizure Registry and born from July 2015 through March 2018. Inclusion criteria were acute symptomatic seizures that occurred at up to 44 weeks postmenstrual age. In this cohort, 36% of patients had antiseizure medication discontinued after a median of 6 days; the remainder stayed on antiseizure medication after discharge at a median of 4 months.

The patients were followed for 2 years. The primary outcome was functional development measured by the Warner Initial Development Evaluation of Adaptive and Functional Skills (WIDEA-FS) assessment. The secondary outcome was epilepsy defined by International League Against Epilepsy (ILAE) criteria. Follow-up consisted of phone calls and chart reviews at 12, 18, and 24 months.

“The primary outcome, functional development, was not significantly different between those children who were maintained on antiseizure medication as compared with those who were discontinued,” Dr. Glass said.

After propensity adjustment, the discontinued ASM group had an estimated WIDEA-FS score 4 points higher on average, she said. “The confidence intervals met our a priori noninferiority limit, indicating no harm to neurodevelopment for discontinuing antiseizure medication before discharge home from the neonatal seizure admission,” Dr. Glass noted.

The study also found that 13% of all participants developed epilepsy at a median of 8 months. “There was no significant difference in the frequency or timing of epilepsy between the two groups,” she said.

“We conclude there is no clear rationale for antiseizure medication maintenance,” Dr. Glass said. “There is no benefit to neurodevelopment, it prolongs the exposure to potentially harmful antiseizure medications, it does not significantly delay the onset of epilepsy, and the earliest-onset epilepsies occur in spite of antiseizure medication.”

The Patient-Centered Outcomes Research Institute (PCORI) and Pediatric Epilepsy Research Foundation funded the study. Dr. Glass has no other financial relationships to disclose.

SOURCE: Glass HC et al. CNS-ICNA 2020. Presentation PL58.

Improved molecular characterization of mixed glioneuronal and neuronal tumors is driving the World Health Organization to update its classification system for pediatric brain tumors, and that will have far-reaching implications for how clinicians diagnose and manage these rare and often debilitating malignancies, a leading European researcher reported at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year.

“These pediatric neuronal/glioneuronal tumors are quite heterogeneous in terms of the number of different tumors and subclasses of tumors going into these groups, but they have some molecular features in common,” said David T.W. Jones, PhD, of Hopp Children’s Cancer Center in Heidelberg, Germany. “Together they represent quite a sizable portion of all childhood brain tumors, so it’s important to recognize and understand them.”

Dr. Jones noted that updated WHO classifications would add six new descriptions to the category of mixed glioneuronal tumors and one to the list of neuronal tumors. A working group of the Consortium to Inform Molecular and Practical Approaches to CNS Tumor Taxonomy, known as cIMPACT-NOW, has recommended the expanded classifications for central nervous system tumors.

“The molecular understandings of pediatric neuro-glial tumors are critical in their management,” Roger Packer, MD, senior vice president of the Center for Neuroscience and Behavioral Health at Children’s National in Washington, said in an interview, especially as treatments targeting specific molecular structures emerge. “For those with tumors not amenable to safe, total resections, there’s little evidence that radiation or chemotherapy are effective, and molecular-targeted therapy, guided by the molecular genetic composition, increases the safe use of these new agents.”

Dr. Jones noted that “as a minimum” molecular diagnostics of pediatric low-grade glioneuronal and neuronal tumors should include a BRAF gene mutation and fusion status, as well as FGFR1 mutation plus fusion or rearrangement status.

“Ideally,” he added, “it should also have a broader copy number profile, whether that’s based on sequencing or SNP arrays or DNA methylation rate, a global DNA methylation profile to get those global molecular patterns, and also wider gene and RNA sequence to pick up some of those rarer alterations that may not be covered by targeted BRAF and FGFR1 mutations.”

The updated tumor classification will evolve to include novel tumor classes, as well as links or overlaps between the tumor classes and their characteristic underlying kinetic alterations, he noted. “Some of these profiling measures will actually be required to generate a fully WHO-compatible pathological diagnosis,” Dr. Jones said.

“This group of tumors are now just better molecularly characterized than it was 5 years ago, so in the last few years we’ve really made tremendous progress in understanding what alterations are driving some of these tumors,” he said. “That knowledge is now providing a basis for improved diagnosis and also for starting to plan more targeted treatment strategies.”

But, he added, there’s still a lot to learn about how these oncogenic mechanisms drive tumor pathogenesis. “What is the clinical costs when we really start getting down into defining these distinct molecular groups?” he said. “What are their different responses to treatment depending on different levels, where the MEKi [mitogen-activated protein kinase inhibitor] pathway might be activated and, for example, response to treatment of different subclasses of one tumor?”

Large, collaborative clinical studies will be needed to get those answers, he said.

“There are certainly some therapeutic opportunities arising in this group of tumors now, but in order to really translate those into a clinical benefit, we’re really going to need some careful planning of international studies because of the relative rarity of some of these groups,” he said.

Dr. Jones has no relevant financial relationships to disclose.

Improved molecular characterization of mixed glioneuronal and neuronal tumors is driving the World Health Organization to update its classification system for pediatric brain tumors, and that will have far-reaching implications for how clinicians diagnose and manage these rare and often debilitating malignancies, a leading European researcher reported at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year.

“These pediatric neuronal/glioneuronal tumors are quite heterogeneous in terms of the number of different tumors and subclasses of tumors going into these groups, but they have some molecular features in common,” said David T.W. Jones, PhD, of Hopp Children’s Cancer Center in Heidelberg, Germany. “Together they represent quite a sizable portion of all childhood brain tumors, so it’s important to recognize and understand them.”

Dr. Jones noted that updated WHO classifications would add six new descriptions to the category of mixed glioneuronal tumors and one to the list of neuronal tumors. A working group of the Consortium to Inform Molecular and Practical Approaches to CNS Tumor Taxonomy, known as cIMPACT-NOW, has recommended the expanded classifications for central nervous system tumors.

“The molecular understandings of pediatric neuro-glial tumors are critical in their management,” Roger Packer, MD, senior vice president of the Center for Neuroscience and Behavioral Health at Children’s National in Washington, said in an interview, especially as treatments targeting specific molecular structures emerge. “For those with tumors not amenable to safe, total resections, there’s little evidence that radiation or chemotherapy are effective, and molecular-targeted therapy, guided by the molecular genetic composition, increases the safe use of these new agents.”

Dr. Jones noted that “as a minimum” molecular diagnostics of pediatric low-grade glioneuronal and neuronal tumors should include a BRAF gene mutation and fusion status, as well as FGFR1 mutation plus fusion or rearrangement status.

“Ideally,” he added, “it should also have a broader copy number profile, whether that’s based on sequencing or SNP arrays or DNA methylation rate, a global DNA methylation profile to get those global molecular patterns, and also wider gene and RNA sequence to pick up some of those rarer alterations that may not be covered by targeted BRAF and FGFR1 mutations.”

The updated tumor classification will evolve to include novel tumor classes, as well as links or overlaps between the tumor classes and their characteristic underlying kinetic alterations, he noted. “Some of these profiling measures will actually be required to generate a fully WHO-compatible pathological diagnosis,” Dr. Jones said.

“This group of tumors are now just better molecularly characterized than it was 5 years ago, so in the last few years we’ve really made tremendous progress in understanding what alterations are driving some of these tumors,” he said. “That knowledge is now providing a basis for improved diagnosis and also for starting to plan more targeted treatment strategies.”

But, he added, there’s still a lot to learn about how these oncogenic mechanisms drive tumor pathogenesis. “What is the clinical costs when we really start getting down into defining these distinct molecular groups?” he said. “What are their different responses to treatment depending on different levels, where the MEKi [mitogen-activated protein kinase inhibitor] pathway might be activated and, for example, response to treatment of different subclasses of one tumor?”

Large, collaborative clinical studies will be needed to get those answers, he said.

“There are certainly some therapeutic opportunities arising in this group of tumors now, but in order to really translate those into a clinical benefit, we’re really going to need some careful planning of international studies because of the relative rarity of some of these groups,” he said.

Dr. Jones has no relevant financial relationships to disclose.

Improved molecular characterization of mixed glioneuronal and neuronal tumors is driving the World Health Organization to update its classification system for pediatric brain tumors, and that will have far-reaching implications for how clinicians diagnose and manage these rare and often debilitating malignancies, a leading European researcher reported at the 2020 CNS-ICNA Conjoint Meeting, held virtually this year.

“These pediatric neuronal/glioneuronal tumors are quite heterogeneous in terms of the number of different tumors and subclasses of tumors going into these groups, but they have some molecular features in common,” said David T.W. Jones, PhD, of Hopp Children’s Cancer Center in Heidelberg, Germany. “Together they represent quite a sizable portion of all childhood brain tumors, so it’s important to recognize and understand them.”

Dr. Jones noted that updated WHO classifications would add six new descriptions to the category of mixed glioneuronal tumors and one to the list of neuronal tumors. A working group of the Consortium to Inform Molecular and Practical Approaches to CNS Tumor Taxonomy, known as cIMPACT-NOW, has recommended the expanded classifications for central nervous system tumors.

“The molecular understandings of pediatric neuro-glial tumors are critical in their management,” Roger Packer, MD, senior vice president of the Center for Neuroscience and Behavioral Health at Children’s National in Washington, said in an interview, especially as treatments targeting specific molecular structures emerge. “For those with tumors not amenable to safe, total resections, there’s little evidence that radiation or chemotherapy are effective, and molecular-targeted therapy, guided by the molecular genetic composition, increases the safe use of these new agents.”

Dr. Jones noted that “as a minimum” molecular diagnostics of pediatric low-grade glioneuronal and neuronal tumors should include a BRAF gene mutation and fusion status, as well as FGFR1 mutation plus fusion or rearrangement status.

“Ideally,” he added, “it should also have a broader copy number profile, whether that’s based on sequencing or SNP arrays or DNA methylation rate, a global DNA methylation profile to get those global molecular patterns, and also wider gene and RNA sequence to pick up some of those rarer alterations that may not be covered by targeted BRAF and FGFR1 mutations.”

The updated tumor classification will evolve to include novel tumor classes, as well as links or overlaps between the tumor classes and their characteristic underlying kinetic alterations, he noted. “Some of these profiling measures will actually be required to generate a fully WHO-compatible pathological diagnosis,” Dr. Jones said.

“This group of tumors are now just better molecularly characterized than it was 5 years ago, so in the last few years we’ve really made tremendous progress in understanding what alterations are driving some of these tumors,” he said. “That knowledge is now providing a basis for improved diagnosis and also for starting to plan more targeted treatment strategies.”

But, he added, there’s still a lot to learn about how these oncogenic mechanisms drive tumor pathogenesis. “What is the clinical costs when we really start getting down into defining these distinct molecular groups?” he said. “What are their different responses to treatment depending on different levels, where the MEKi [mitogen-activated protein kinase inhibitor] pathway might be activated and, for example, response to treatment of different subclasses of one tumor?”

Large, collaborative clinical studies will be needed to get those answers, he said.

“There are certainly some therapeutic opportunities arising in this group of tumors now, but in order to really translate those into a clinical benefit, we’re really going to need some careful planning of international studies because of the relative rarity of some of these groups,” he said.

Dr. Jones has no relevant financial relationships to disclose.

Acute flaccid myelitis (AFM), a polio-like neuroinfectious disorder, is misdiagnosed in the majority of cases, and that can result in loss of valuable time to admit patients and begin treatment to get ahead of the virus that may cause the disease.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Leslie H. Hayes, MD, of Boston Children’s Hospital presented findings of a retrospective case series from 13 institutions in the United States and Canada that determined 78% of patients eventually found to have AFM were initially misdiagnosed. About 62% were given an alternate diagnosis or multiple diagnoses, and 60% did not get a referral for further care or evaluation. The study included 175 children aged 18 years and younger when symptoms first appeared from 2014 to 2018 and who met the Centers for Disease Control and Prevention case definition of AFM.

“As it becomes more evident that AFM outbreaks are driven by enterovirus infections, treatments targeting the viral infection are likely to be most effective very early in the course of disease, necessitating a precise and early diagnosis,” Dr. Hayes said. “Thus awareness is needed to help recognize the signs of symptoms of AFM, particularly among frontline clinicians.”

One reason for misdiagnosis is that AFM has features that overlap with other neuroinflammatory disorders, she said. “In many cases the patients are misdiagnosed as having benign or self-limiting processes that would not prompt the same monitoring and level of care.”

Numbness and prodromal illnesses were associated with misdiagnosis, she said, but otherwise most presenting symptoms were similar between the misdiagnosed and correctly diagnosed patients.

Neurologic disorders with similar features to AFM that the study identified were Guillain-Barré syndrome, spinal cord pathologies such as transverse myelitis, brain pathologies including acute disseminating encephalomyelitis, acute inclusion body encephalitis and stroke, and other neuroinflammatory conditions.

“There were also many patients diagnosed as having processes that in many cases would not prompt inpatient admission, would not involve neurology consultation, and would not be treated in a similar fashion to AFM,” Dr. Hayes said.

Those diagnoses included plexopathy, neuritis, Bell’s palsy, meningoencephalitis, nonspecific infectious illness or parainfectious autoimmune disease, or musculoskeletal problems including toxic or transient synovitis, myositis, fracture or sprain, or torticollis.

“We identified preceding illness and numbness as two features associated with misdiagnosis,” Dr. Hayes said.

“We evaluated illness severity by evaluating the need for invasive and noninvasive ventilation and found that, while not statistically significant, misdiagnosed patients had a trend toward higher need for such respiratory support,” she noted. Specifically, 31.6% of misdiagnosed patients required noninvasive ventilation versus 15.8% of promptly diagnosed patients (P = .06).

Dr. Hayes characterized the rates of ICU admissions between the two groups as not statistically significant: 52.5% and 36.8% for the misdiagnosed and promptly diagnosed groups, respectively (P = .1).

Both groups of patients received intravenous immunoglobulin in similar rates (77.9% and 81.6%, respectively, P = .63), but the misdiagnosed patients were much more likely to receive steroids, 68.2% versus 44.7% (P = .008). That’s likely because steroids are the standard treatment for the neuroinflammatory disorders that they were misdiagnosed with, Dr. Hayes said.

Timely diagnosis and treatment was more of an issue for the misdiagnosed patients; their diagnosis was made on average 5 days after the onset of symptoms versus 3 days (P < .001). “We found that time to treatment, particularly time to IVIg, was significantly longer in the misdiagnosed group,” Dr. Hayes said, at 5 versus 2 days (P < .001).

Dr. Hayes has no relevant financial relationships to disclose.

Acute flaccid myelitis (AFM), a polio-like neuroinfectious disorder, is misdiagnosed in the majority of cases, and that can result in loss of valuable time to admit patients and begin treatment to get ahead of the virus that may cause the disease.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Leslie H. Hayes, MD, of Boston Children’s Hospital presented findings of a retrospective case series from 13 institutions in the United States and Canada that determined 78% of patients eventually found to have AFM were initially misdiagnosed. About 62% were given an alternate diagnosis or multiple diagnoses, and 60% did not get a referral for further care or evaluation. The study included 175 children aged 18 years and younger when symptoms first appeared from 2014 to 2018 and who met the Centers for Disease Control and Prevention case definition of AFM.

“As it becomes more evident that AFM outbreaks are driven by enterovirus infections, treatments targeting the viral infection are likely to be most effective very early in the course of disease, necessitating a precise and early diagnosis,” Dr. Hayes said. “Thus awareness is needed to help recognize the signs of symptoms of AFM, particularly among frontline clinicians.”

One reason for misdiagnosis is that AFM has features that overlap with other neuroinflammatory disorders, she said. “In many cases the patients are misdiagnosed as having benign or self-limiting processes that would not prompt the same monitoring and level of care.”

Numbness and prodromal illnesses were associated with misdiagnosis, she said, but otherwise most presenting symptoms were similar between the misdiagnosed and correctly diagnosed patients.

Neurologic disorders with similar features to AFM that the study identified were Guillain-Barré syndrome, spinal cord pathologies such as transverse myelitis, brain pathologies including acute disseminating encephalomyelitis, acute inclusion body encephalitis and stroke, and other neuroinflammatory conditions.

“There were also many patients diagnosed as having processes that in many cases would not prompt inpatient admission, would not involve neurology consultation, and would not be treated in a similar fashion to AFM,” Dr. Hayes said.

Those diagnoses included plexopathy, neuritis, Bell’s palsy, meningoencephalitis, nonspecific infectious illness or parainfectious autoimmune disease, or musculoskeletal problems including toxic or transient synovitis, myositis, fracture or sprain, or torticollis.

“We identified preceding illness and numbness as two features associated with misdiagnosis,” Dr. Hayes said.

“We evaluated illness severity by evaluating the need for invasive and noninvasive ventilation and found that, while not statistically significant, misdiagnosed patients had a trend toward higher need for such respiratory support,” she noted. Specifically, 31.6% of misdiagnosed patients required noninvasive ventilation versus 15.8% of promptly diagnosed patients (P = .06).

Dr. Hayes characterized the rates of ICU admissions between the two groups as not statistically significant: 52.5% and 36.8% for the misdiagnosed and promptly diagnosed groups, respectively (P = .1).

Both groups of patients received intravenous immunoglobulin in similar rates (77.9% and 81.6%, respectively, P = .63), but the misdiagnosed patients were much more likely to receive steroids, 68.2% versus 44.7% (P = .008). That’s likely because steroids are the standard treatment for the neuroinflammatory disorders that they were misdiagnosed with, Dr. Hayes said.

Timely diagnosis and treatment was more of an issue for the misdiagnosed patients; their diagnosis was made on average 5 days after the onset of symptoms versus 3 days (P < .001). “We found that time to treatment, particularly time to IVIg, was significantly longer in the misdiagnosed group,” Dr. Hayes said, at 5 versus 2 days (P < .001).

Dr. Hayes has no relevant financial relationships to disclose.

Acute flaccid myelitis (AFM), a polio-like neuroinfectious disorder, is misdiagnosed in the majority of cases, and that can result in loss of valuable time to admit patients and begin treatment to get ahead of the virus that may cause the disease.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Leslie H. Hayes, MD, of Boston Children’s Hospital presented findings of a retrospective case series from 13 institutions in the United States and Canada that determined 78% of patients eventually found to have AFM were initially misdiagnosed. About 62% were given an alternate diagnosis or multiple diagnoses, and 60% did not get a referral for further care or evaluation. The study included 175 children aged 18 years and younger when symptoms first appeared from 2014 to 2018 and who met the Centers for Disease Control and Prevention case definition of AFM.

“As it becomes more evident that AFM outbreaks are driven by enterovirus infections, treatments targeting the viral infection are likely to be most effective very early in the course of disease, necessitating a precise and early diagnosis,” Dr. Hayes said. “Thus awareness is needed to help recognize the signs of symptoms of AFM, particularly among frontline clinicians.”

One reason for misdiagnosis is that AFM has features that overlap with other neuroinflammatory disorders, she said. “In many cases the patients are misdiagnosed as having benign or self-limiting processes that would not prompt the same monitoring and level of care.”

Numbness and prodromal illnesses were associated with misdiagnosis, she said, but otherwise most presenting symptoms were similar between the misdiagnosed and correctly diagnosed patients.

Neurologic disorders with similar features to AFM that the study identified were Guillain-Barré syndrome, spinal cord pathologies such as transverse myelitis, brain pathologies including acute disseminating encephalomyelitis, acute inclusion body encephalitis and stroke, and other neuroinflammatory conditions.

“There were also many patients diagnosed as having processes that in many cases would not prompt inpatient admission, would not involve neurology consultation, and would not be treated in a similar fashion to AFM,” Dr. Hayes said.

Those diagnoses included plexopathy, neuritis, Bell’s palsy, meningoencephalitis, nonspecific infectious illness or parainfectious autoimmune disease, or musculoskeletal problems including toxic or transient synovitis, myositis, fracture or sprain, or torticollis.

“We identified preceding illness and numbness as two features associated with misdiagnosis,” Dr. Hayes said.

“We evaluated illness severity by evaluating the need for invasive and noninvasive ventilation and found that, while not statistically significant, misdiagnosed patients had a trend toward higher need for such respiratory support,” she noted. Specifically, 31.6% of misdiagnosed patients required noninvasive ventilation versus 15.8% of promptly diagnosed patients (P = .06).

Dr. Hayes characterized the rates of ICU admissions between the two groups as not statistically significant: 52.5% and 36.8% for the misdiagnosed and promptly diagnosed groups, respectively (P = .1).

Both groups of patients received intravenous immunoglobulin in similar rates (77.9% and 81.6%, respectively, P = .63), but the misdiagnosed patients were much more likely to receive steroids, 68.2% versus 44.7% (P = .008). That’s likely because steroids are the standard treatment for the neuroinflammatory disorders that they were misdiagnosed with, Dr. Hayes said.

Timely diagnosis and treatment was more of an issue for the misdiagnosed patients; their diagnosis was made on average 5 days after the onset of symptoms versus 3 days (P < .001). “We found that time to treatment, particularly time to IVIg, was significantly longer in the misdiagnosed group,” Dr. Hayes said, at 5 versus 2 days (P < .001).

Dr. Hayes has no relevant financial relationships to disclose.

Two recently completed analyses of highly purified cannabidiol (CBD) used to reduce seizures in Lennox Gastaut syndrome (LGS) have shown the formulation as an add-on treatment is effective in reducing seizures out to 3 years but that it can also cause thrombocytopenia in children on concurrent valproic acid therapy.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Anul Patel, MD, section chief of Pediatric neurology at Nationwide Children’s and associate professor of clinical pediatrics and neurology at the Ohio State University, both in Columbus, Ohio, reported 156-week results of an open-label extension trial called GWPCARE5 that showed patients with LGS taking Epidiolex had a 60% or greater average reduction in seizures, compared with baseline. Epidiolex, a highly purified form of CBD, was approved by the Food and Drug Administration in 2018 for LGS and Dravet syndrome.

In a separate presentation, Nancy A. McNamara, MD, an assistant professor at the C.S. Mott Children’s Hospital at the University of Michigan, Ann Arbor, said that more than one-third of patients taking both Epidiolex and valproic acid (VPA) developed thrombocytopenia after starting CBD therapy. The single-center chart review she reported on included 83 patients.

Daniel Friedman, MD, an epilepsy specialist at New York University who’s researched CBD in children with autism spectrum disorder, said, “These studies show that, while purified CBD has durable effects on the most disabling seizures in children and adults with LGS, like all treatments, it is not without risks that warrant attention and monitoring.” 
 

Open-label extension study

The open-label extension study included 366 patients who participated in the two previous clinical trials. They were given varying doses of CBD titrated over 2 weeks with 20 mg/kg as the target dose, Dr. Patel said. The most common concurrent therapies they were taking were clobazam, valproate or VPA, lamotrigine, levetiracetam, and rufinamide. At weeks 145-156, 67% of patients had a 50% or greater reduction in seizures, 44% had a 75% or greater reduction, and 9% stopped having seizures altogether, Dr. Patel said.

“CBD treatment had a similar safety profile to what was observed in the completed parent randomized clinical trials,” Dr. Patel said. “Sustained reductions in drop and total seizures were observed up to the 156-week follow-up point. So these results demonstrate the potential long-term benefits of CBD treatment for patients with LGS as it relates to reduction of their seizures.”

Adverse event profiles in this analysis were similar to previous clinical trials, he noted. The three most common adverse events were diarrhea (38%), convulsion (38%) and pyrexia (34%), but high percentages of those adverse events resolved during follow-up: 78%, 80%, and 96%, respectively.

Dr. Patel also noted that 31% of patients had elevated liver enzymes (alanine aminotransferase or aspartate aminotransferase), but most of these patients – 78 of 113, or 69% – were on concomitant VPA. “Importantly, no patient met the standard criteria for severe drug-induced liver injury, known as Hy’s law,” he said.

Retention rates for patients were 81% at 1 year, 69% at 2 years and 65% at 3 years, Dr. Patel said.
 

“An urgent systemic review”

Dr. McNamara’s research drilled down into the interaction of CBD and VPA. “Over the past several months we have made observations that several patients that had been started on CBD, also known as Epidiolex, had developed thrombocytopenia, some of which were symptomatic,” she said. Symptoms included hematuria, easy bruising, and gingival bleeding.

That prompted what Dr. McNamara called “an urgent systemic review” of all patients on CBD. Of 83 patients started on CBD for LGS from January to August 2019, 9 (11%) developed thrombocytopenia. “All of these patients were on concurrent VPA and no patients started on CBD without VPA developed thrombocytopenia,” she said. In all, 23 patients were taking CBD concurrently with VPA. Four of nine cases were symptomatic.

“The thrombocytopenia was reversible in all patients with reduction of medication and one patient recovered spontaneously without intervention,” Dr. McNamara noted.

“This was an important finding because this was not something that had come out of the clinical trials prior to FDA approval,” Dr. McNamara said. “This requires closer monitoring for patients who are started on CBD who are already on VPA.”

Of the 23 patients taking concurrent VPA, 10 had low platelet counts after starting CBD. In six patients, platelet counts dropped from normal before CBD therapy to low afterward.

The study used a McNemar test to determine if an observed adverse event occurred by chance or was related to starting a drug, which yielded a P value of .125, Dr. McNamara said. “While this did not achieve statistical significance, we suggest that prescribers closely monitor platelet levels after starting CBD, particularly when a patient is also on concurrent VPA,” she said.

Her group obtained a complete blood count at baseline and then at 1, 3, and 6 months after starting the patient on CBD, along with evaluation of alanine aminotransferase and aspartate aminotransferase. “We believe that this is helpful because most of the patients that develop low platelets did so within 3 months of starting cannabidiol,” Dr. McNamara said.

She acknowledged the limits of the single-center study. “Future research will need to be done with larger cohorts with standardized surveillance labs,” she said in an interview.

Dr. Patel disclosed financial relationships with GW Research and Greenwich Biosciences. Dr. McNamara has no relevant disclosures.

Two recently completed analyses of highly purified cannabidiol (CBD) used to reduce seizures in Lennox Gastaut syndrome (LGS) have shown the formulation as an add-on treatment is effective in reducing seizures out to 3 years but that it can also cause thrombocytopenia in children on concurrent valproic acid therapy.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Anul Patel, MD, section chief of Pediatric neurology at Nationwide Children’s and associate professor of clinical pediatrics and neurology at the Ohio State University, both in Columbus, Ohio, reported 156-week results of an open-label extension trial called GWPCARE5 that showed patients with LGS taking Epidiolex had a 60% or greater average reduction in seizures, compared with baseline. Epidiolex, a highly purified form of CBD, was approved by the Food and Drug Administration in 2018 for LGS and Dravet syndrome.

In a separate presentation, Nancy A. McNamara, MD, an assistant professor at the C.S. Mott Children’s Hospital at the University of Michigan, Ann Arbor, said that more than one-third of patients taking both Epidiolex and valproic acid (VPA) developed thrombocytopenia after starting CBD therapy. The single-center chart review she reported on included 83 patients.

Daniel Friedman, MD, an epilepsy specialist at New York University who’s researched CBD in children with autism spectrum disorder, said, “These studies show that, while purified CBD has durable effects on the most disabling seizures in children and adults with LGS, like all treatments, it is not without risks that warrant attention and monitoring.” 
 

Open-label extension study

The open-label extension study included 366 patients who participated in the two previous clinical trials. They were given varying doses of CBD titrated over 2 weeks with 20 mg/kg as the target dose, Dr. Patel said. The most common concurrent therapies they were taking were clobazam, valproate or VPA, lamotrigine, levetiracetam, and rufinamide. At weeks 145-156, 67% of patients had a 50% or greater reduction in seizures, 44% had a 75% or greater reduction, and 9% stopped having seizures altogether, Dr. Patel said.

“CBD treatment had a similar safety profile to what was observed in the completed parent randomized clinical trials,” Dr. Patel said. “Sustained reductions in drop and total seizures were observed up to the 156-week follow-up point. So these results demonstrate the potential long-term benefits of CBD treatment for patients with LGS as it relates to reduction of their seizures.”

Adverse event profiles in this analysis were similar to previous clinical trials, he noted. The three most common adverse events were diarrhea (38%), convulsion (38%) and pyrexia (34%), but high percentages of those adverse events resolved during follow-up: 78%, 80%, and 96%, respectively.

Dr. Patel also noted that 31% of patients had elevated liver enzymes (alanine aminotransferase or aspartate aminotransferase), but most of these patients – 78 of 113, or 69% – were on concomitant VPA. “Importantly, no patient met the standard criteria for severe drug-induced liver injury, known as Hy’s law,” he said.

Retention rates for patients were 81% at 1 year, 69% at 2 years and 65% at 3 years, Dr. Patel said.
 

“An urgent systemic review”

Dr. McNamara’s research drilled down into the interaction of CBD and VPA. “Over the past several months we have made observations that several patients that had been started on CBD, also known as Epidiolex, had developed thrombocytopenia, some of which were symptomatic,” she said. Symptoms included hematuria, easy bruising, and gingival bleeding.

That prompted what Dr. McNamara called “an urgent systemic review” of all patients on CBD. Of 83 patients started on CBD for LGS from January to August 2019, 9 (11%) developed thrombocytopenia. “All of these patients were on concurrent VPA and no patients started on CBD without VPA developed thrombocytopenia,” she said. In all, 23 patients were taking CBD concurrently with VPA. Four of nine cases were symptomatic.

“The thrombocytopenia was reversible in all patients with reduction of medication and one patient recovered spontaneously without intervention,” Dr. McNamara noted.

“This was an important finding because this was not something that had come out of the clinical trials prior to FDA approval,” Dr. McNamara said. “This requires closer monitoring for patients who are started on CBD who are already on VPA.”

Of the 23 patients taking concurrent VPA, 10 had low platelet counts after starting CBD. In six patients, platelet counts dropped from normal before CBD therapy to low afterward.

The study used a McNemar test to determine if an observed adverse event occurred by chance or was related to starting a drug, which yielded a P value of .125, Dr. McNamara said. “While this did not achieve statistical significance, we suggest that prescribers closely monitor platelet levels after starting CBD, particularly when a patient is also on concurrent VPA,” she said.

Her group obtained a complete blood count at baseline and then at 1, 3, and 6 months after starting the patient on CBD, along with evaluation of alanine aminotransferase and aspartate aminotransferase. “We believe that this is helpful because most of the patients that develop low platelets did so within 3 months of starting cannabidiol,” Dr. McNamara said.

She acknowledged the limits of the single-center study. “Future research will need to be done with larger cohorts with standardized surveillance labs,” she said in an interview.

Dr. Patel disclosed financial relationships with GW Research and Greenwich Biosciences. Dr. McNamara has no relevant disclosures.

Two recently completed analyses of highly purified cannabidiol (CBD) used to reduce seizures in Lennox Gastaut syndrome (LGS) have shown the formulation as an add-on treatment is effective in reducing seizures out to 3 years but that it can also cause thrombocytopenia in children on concurrent valproic acid therapy.

At the 2020 CNS-ICNA Conjoint Meeting, held virtually this year, Anul Patel, MD, section chief of Pediatric neurology at Nationwide Children’s and associate professor of clinical pediatrics and neurology at the Ohio State University, both in Columbus, Ohio, reported 156-week results of an open-label extension trial called GWPCARE5 that showed patients with LGS taking Epidiolex had a 60% or greater average reduction in seizures, compared with baseline. Epidiolex, a highly purified form of CBD, was approved by the Food and Drug Administration in 2018 for LGS and Dravet syndrome.

In a separate presentation, Nancy A. McNamara, MD, an assistant professor at the C.S. Mott Children’s Hospital at the University of Michigan, Ann Arbor, said that more than one-third of patients taking both Epidiolex and valproic acid (VPA) developed thrombocytopenia after starting CBD therapy. The single-center chart review she reported on included 83 patients.

Daniel Friedman, MD, an epilepsy specialist at New York University who’s researched CBD in children with autism spectrum disorder, said, “These studies show that, while purified CBD has durable effects on the most disabling seizures in children and adults with LGS, like all treatments, it is not without risks that warrant attention and monitoring.” 
 

Open-label extension study

The open-label extension study included 366 patients who participated in the two previous clinical trials. They were given varying doses of CBD titrated over 2 weeks with 20 mg/kg as the target dose, Dr. Patel said. The most common concurrent therapies they were taking were clobazam, valproate or VPA, lamotrigine, levetiracetam, and rufinamide. At weeks 145-156, 67% of patients had a 50% or greater reduction in seizures, 44% had a 75% or greater reduction, and 9% stopped having seizures altogether, Dr. Patel said.

“CBD treatment had a similar safety profile to what was observed in the completed parent randomized clinical trials,” Dr. Patel said. “Sustained reductions in drop and total seizures were observed up to the 156-week follow-up point. So these results demonstrate the potential long-term benefits of CBD treatment for patients with LGS as it relates to reduction of their seizures.”

Adverse event profiles in this analysis were similar to previous clinical trials, he noted. The three most common adverse events were diarrhea (38%), convulsion (38%) and pyrexia (34%), but high percentages of those adverse events resolved during follow-up: 78%, 80%, and 96%, respectively.

Dr. Patel also noted that 31% of patients had elevated liver enzymes (alanine aminotransferase or aspartate aminotransferase), but most of these patients – 78 of 113, or 69% – were on concomitant VPA. “Importantly, no patient met the standard criteria for severe drug-induced liver injury, known as Hy’s law,” he said.

Retention rates for patients were 81% at 1 year, 69% at 2 years and 65% at 3 years, Dr. Patel said.
 

“An urgent systemic review”

Dr. McNamara’s research drilled down into the interaction of CBD and VPA. “Over the past several months we have made observations that several patients that had been started on CBD, also known as Epidiolex, had developed thrombocytopenia, some of which were symptomatic,” she said. Symptoms included hematuria, easy bruising, and gingival bleeding.

That prompted what Dr. McNamara called “an urgent systemic review” of all patients on CBD. Of 83 patients started on CBD for LGS from January to August 2019, 9 (11%) developed thrombocytopenia. “All of these patients were on concurrent VPA and no patients started on CBD without VPA developed thrombocytopenia,” she said. In all, 23 patients were taking CBD concurrently with VPA. Four of nine cases were symptomatic.

“The thrombocytopenia was reversible in all patients with reduction of medication and one patient recovered spontaneously without intervention,” Dr. McNamara noted.

“This was an important finding because this was not something that had come out of the clinical trials prior to FDA approval,” Dr. McNamara said. “This requires closer monitoring for patients who are started on CBD who are already on VPA.”

Of the 23 patients taking concurrent VPA, 10 had low platelet counts after starting CBD. In six patients, platelet counts dropped from normal before CBD therapy to low afterward.

The study used a McNemar test to determine if an observed adverse event occurred by chance or was related to starting a drug, which yielded a P value of .125, Dr. McNamara said. “While this did not achieve statistical significance, we suggest that prescribers closely monitor platelet levels after starting CBD, particularly when a patient is also on concurrent VPA,” she said.

Her group obtained a complete blood count at baseline and then at 1, 3, and 6 months after starting the patient on CBD, along with evaluation of alanine aminotransferase and aspartate aminotransferase. “We believe that this is helpful because most of the patients that develop low platelets did so within 3 months of starting cannabidiol,” Dr. McNamara said.

She acknowledged the limits of the single-center study. “Future research will need to be done with larger cohorts with standardized surveillance labs,” she said in an interview.

Dr. Patel disclosed financial relationships with GW Research and Greenwich Biosciences. Dr. McNamara has no relevant disclosures.

A systematic review of nine studies provided limited evidence that off-label oral nonselective beta-blockers can be an effective treatment for facial erythema and flushing in rosacea, while at the same time underscoring the paucity of evidence supporting their use, investigators reported.

“The evidence was highest for carvedilol and propranolol, two nonselective beta-blockers,” wrote the authors of the review, Jade G.M. Logger, MD, of the department of dermatology, Radboud University Medical Center in Nijmegen, the Netherlands, and coauthors. Their review is in the Journal of the American Academy of Dermatology.

The systematic review included a case control study of 53,927 patients and an equal number of controls that evaluated beta-blockers in general, but the remaining studies and case reports included only 106 patients in total. The largest was a prospective cohort study of propranolol in 63 patients. Other studies included a 15-patient randomized clinical trial of nadolol published 31 years ago and three single-patient case reports.

The studies included patients with a history of failed therapies; only a small number of beta-blockers were evaluated. Outcomes reported in the studies varied widely, which ruled out doing a meta-analysis. “Erythema and flushing were assessed by using a wide spectrum of mostly subjective clinical and patient-based scores, and method standardization was often missing,” the researchers stated.

“Most studies showed improved erythema and flushing after initiation of oral beta-blockers,” Dr. Logger and colleagues wrote. Treatment of facial erythema and flushing remains a clinical challenge despite approved therapies, for which poor response and reactivation are common. “Diminishing erythema and flushing in rosacea is challenging because it hardly responds to conventional anti-inflammatory treatment,” they noted.

“The study adds no new evidence to support the use of beta-blockers,” Diane M. Thiboutot, MD, professor of dermatology at Penn State University, Hershey, said in an interview. “As the authors point out, the nine studies reviewed were of low quality with a variety of outcome measures that precluded generation of a meta-analysis, which would have represented new information.”

Dr. Thiboutot is lead author of a 2019 update of management options for rosacea published by the National Rosacea Society Expert Committee last year.. Beta blockers are among the drugs that are sometimes prescribed off label to help rosacea-associated flushing, along with nonsteroidal anti-inflammatory drugs, antihistamines, and clonidine, according to the update.

Dr. Logger and coauthors noted that beta-blockers come with risks, and can aggravate asthma and psoriasis and are contraindicated in patients with heart failure, cardiogenic shock, and other cardiovascular diseases, along with hyperactive airway and Raynaud’s disease. “It is important to monitor patients for adverse effects, especially blood pressure and heart rate,” they stated. Carvedilol and propranolol may have more antioxidant and anti-inflammatory properties than other nonselective beta-blockers that may curtail rosacea manifestations, they wrote.

They called for large, prospective clinical trials to more accurately assess the efficacy of beta-blockers in rosacea patients. “Researchers should further focus on the determination of the optimal dosage, treatment duration, and long-term therapeutic effects for adequate treatment of erythema and flushing in rosacea,” they said.

Getting those trials is challenging, Dr. Thiboutot said. “Objective and even subjective measurement of transient and persistent facial erythema is extremely challenging, particularly in the setting of a prospective clinical trial.” The trials would have to control for a number of variables, including room conditions, patient diet, and timing of medication, and large trials require multiple sites,” which could add to the variability of the data,” she said in the interview. Funding such trials would be difficult because adding an indication for rosacea-related symptoms would have limited commercial potential, she added.

Nonetheless, the studies would be welcome, Dr. Thiboutot said. “If standardized outcome measures for facial erythema were to be developed, a study would be more feasible.”

Dr. Logger disclosed financial relationships with Galderma, AbbVie, Novartis, Janssen, and LEO Pharma; one author disclosed conducting clinical trials for AbbVie and Novartis; the third author disclosed relationships with Galderma, Cutanea Life Sciences, AbbVie, Novartis, and Janssen, with fees paid to his institution. Dr. Thiboutot disclosed a financial relationship with Galderma.
 

SOURCE: Logger JGM et al. J Am Acad Dermatol. 2020 Oct;83(4):1088-97.

A systematic review of nine studies provided limited evidence that off-label oral nonselective beta-blockers can be an effective treatment for facial erythema and flushing in rosacea, while at the same time underscoring the paucity of evidence supporting their use, investigators reported.

“The evidence was highest for carvedilol and propranolol, two nonselective beta-blockers,” wrote the authors of the review, Jade G.M. Logger, MD, of the department of dermatology, Radboud University Medical Center in Nijmegen, the Netherlands, and coauthors. Their review is in the Journal of the American Academy of Dermatology.

The systematic review included a case control study of 53,927 patients and an equal number of controls that evaluated beta-blockers in general, but the remaining studies and case reports included only 106 patients in total. The largest was a prospective cohort study of propranolol in 63 patients. Other studies included a 15-patient randomized clinical trial of nadolol published 31 years ago and three single-patient case reports.

The studies included patients with a history of failed therapies; only a small number of beta-blockers were evaluated. Outcomes reported in the studies varied widely, which ruled out doing a meta-analysis. “Erythema and flushing were assessed by using a wide spectrum of mostly subjective clinical and patient-based scores, and method standardization was often missing,” the researchers stated.

“Most studies showed improved erythema and flushing after initiation of oral beta-blockers,” Dr. Logger and colleagues wrote. Treatment of facial erythema and flushing remains a clinical challenge despite approved therapies, for which poor response and reactivation are common. “Diminishing erythema and flushing in rosacea is challenging because it hardly responds to conventional anti-inflammatory treatment,” they noted.

“The study adds no new evidence to support the use of beta-blockers,” Diane M. Thiboutot, MD, professor of dermatology at Penn State University, Hershey, said in an interview. “As the authors point out, the nine studies reviewed were of low quality with a variety of outcome measures that precluded generation of a meta-analysis, which would have represented new information.”

Dr. Thiboutot is lead author of a 2019 update of management options for rosacea published by the National Rosacea Society Expert Committee last year.. Beta blockers are among the drugs that are sometimes prescribed off label to help rosacea-associated flushing, along with nonsteroidal anti-inflammatory drugs, antihistamines, and clonidine, according to the update.

Dr. Logger and coauthors noted that beta-blockers come with risks, and can aggravate asthma and psoriasis and are contraindicated in patients with heart failure, cardiogenic shock, and other cardiovascular diseases, along with hyperactive airway and Raynaud’s disease. “It is important to monitor patients for adverse effects, especially blood pressure and heart rate,” they stated. Carvedilol and propranolol may have more antioxidant and anti-inflammatory properties than other nonselective beta-blockers that may curtail rosacea manifestations, they wrote.

They called for large, prospective clinical trials to more accurately assess the efficacy of beta-blockers in rosacea patients. “Researchers should further focus on the determination of the optimal dosage, treatment duration, and long-term therapeutic effects for adequate treatment of erythema and flushing in rosacea,” they said.

Getting those trials is challenging, Dr. Thiboutot said. “Objective and even subjective measurement of transient and persistent facial erythema is extremely challenging, particularly in the setting of a prospective clinical trial.” The trials would have to control for a number of variables, including room conditions, patient diet, and timing of medication, and large trials require multiple sites,” which could add to the variability of the data,” she said in the interview. Funding such trials would be difficult because adding an indication for rosacea-related symptoms would have limited commercial potential, she added.

Nonetheless, the studies would be welcome, Dr. Thiboutot said. “If standardized outcome measures for facial erythema were to be developed, a study would be more feasible.”

Dr. Logger disclosed financial relationships with Galderma, AbbVie, Novartis, Janssen, and LEO Pharma; one author disclosed conducting clinical trials for AbbVie and Novartis; the third author disclosed relationships with Galderma, Cutanea Life Sciences, AbbVie, Novartis, and Janssen, with fees paid to his institution. Dr. Thiboutot disclosed a financial relationship with Galderma.
 

SOURCE: Logger JGM et al. J Am Acad Dermatol. 2020 Oct;83(4):1088-97.

A systematic review of nine studies provided limited evidence that off-label oral nonselective beta-blockers can be an effective treatment for facial erythema and flushing in rosacea, while at the same time underscoring the paucity of evidence supporting their use, investigators reported.

“The evidence was highest for carvedilol and propranolol, two nonselective beta-blockers,” wrote the authors of the review, Jade G.M. Logger, MD, of the department of dermatology, Radboud University Medical Center in Nijmegen, the Netherlands, and coauthors. Their review is in the Journal of the American Academy of Dermatology.

The systematic review included a case control study of 53,927 patients and an equal number of controls that evaluated beta-blockers in general, but the remaining studies and case reports included only 106 patients in total. The largest was a prospective cohort study of propranolol in 63 patients. Other studies included a 15-patient randomized clinical trial of nadolol published 31 years ago and three single-patient case reports.

The studies included patients with a history of failed therapies; only a small number of beta-blockers were evaluated. Outcomes reported in the studies varied widely, which ruled out doing a meta-analysis. “Erythema and flushing were assessed by using a wide spectrum of mostly subjective clinical and patient-based scores, and method standardization was often missing,” the researchers stated.

“Most studies showed improved erythema and flushing after initiation of oral beta-blockers,” Dr. Logger and colleagues wrote. Treatment of facial erythema and flushing remains a clinical challenge despite approved therapies, for which poor response and reactivation are common. “Diminishing erythema and flushing in rosacea is challenging because it hardly responds to conventional anti-inflammatory treatment,” they noted.

“The study adds no new evidence to support the use of beta-blockers,” Diane M. Thiboutot, MD, professor of dermatology at Penn State University, Hershey, said in an interview. “As the authors point out, the nine studies reviewed were of low quality with a variety of outcome measures that precluded generation of a meta-analysis, which would have represented new information.”

Dr. Thiboutot is lead author of a 2019 update of management options for rosacea published by the National Rosacea Society Expert Committee last year.. Beta blockers are among the drugs that are sometimes prescribed off label to help rosacea-associated flushing, along with nonsteroidal anti-inflammatory drugs, antihistamines, and clonidine, according to the update.

Dr. Logger and coauthors noted that beta-blockers come with risks, and can aggravate asthma and psoriasis and are contraindicated in patients with heart failure, cardiogenic shock, and other cardiovascular diseases, along with hyperactive airway and Raynaud’s disease. “It is important to monitor patients for adverse effects, especially blood pressure and heart rate,” they stated. Carvedilol and propranolol may have more antioxidant and anti-inflammatory properties than other nonselective beta-blockers that may curtail rosacea manifestations, they wrote.

They called for large, prospective clinical trials to more accurately assess the efficacy of beta-blockers in rosacea patients. “Researchers should further focus on the determination of the optimal dosage, treatment duration, and long-term therapeutic effects for adequate treatment of erythema and flushing in rosacea,” they said.

Getting those trials is challenging, Dr. Thiboutot said. “Objective and even subjective measurement of transient and persistent facial erythema is extremely challenging, particularly in the setting of a prospective clinical trial.” The trials would have to control for a number of variables, including room conditions, patient diet, and timing of medication, and large trials require multiple sites,” which could add to the variability of the data,” she said in the interview. Funding such trials would be difficult because adding an indication for rosacea-related symptoms would have limited commercial potential, she added.

Nonetheless, the studies would be welcome, Dr. Thiboutot said. “If standardized outcome measures for facial erythema were to be developed, a study would be more feasible.”

Dr. Logger disclosed financial relationships with Galderma, AbbVie, Novartis, Janssen, and LEO Pharma; one author disclosed conducting clinical trials for AbbVie and Novartis; the third author disclosed relationships with Galderma, Cutanea Life Sciences, AbbVie, Novartis, and Janssen, with fees paid to his institution. Dr. Thiboutot disclosed a financial relationship with Galderma.
 

SOURCE: Logger JGM et al. J Am Acad Dermatol. 2020 Oct;83(4):1088-97.

Atrial fibrillation has been known to confer an increased risk for poor outcomes after transcatheter aortic valve replacement, but there’s been no evidence of how the etiology of AFib can influence post-TAVR outcomes.

enot-poloskun/Getty Images

Now, a group of researchers from Bern (Switzerland) University are reporting that valvular AFib almost triples the risk of death or debilitating stroke, compared with patients with no AFib, and significantly increases the risk over nonvalvular AFib.*

“The present findings may have implications for risk stratification in patients undergoing TAVR,” wrote Taishi Okuno, MD, and colleagues in what they said is the first study “to appreciate the combined effect” of AFib and mitral stenosis in TAVR. “The identification of valvular AFib may refine the estimated risk for adverse clinical outcomes in patients undergoing TAVR,” they wrote in JACC: Cardiovascular Interventions.

“The fact that valvular AFib seems to confer a higher risk is an interesting finding,” Fred Welt, MD, professor of cardiology at the University of Utah, Salt Lake City, said in an interview. “I think it helps to a certain extent in prognostication because we can say to patients who have concomitant mitral valve disease that they are at higher risk.” Dr. Welt is also chair of the American College of Cardiology Interventional Council.

The analysis included 1,472 patients with aortic stenosis who had TAVR at Bern University Hospital between August 2007 and June 2018, 32% of whom (465) had atrial fibrillation, subcategorized as nonvalvular (26%, 376) and valvular (6%, 89). The primary endpoint, a composite of cardiovascular death or disabling stroke 1 year after TAVR, occurred in 9.3% of patients with no AFib, 14.5% of those with nonvalvular AFib and 24.2% of patients with valvular AFib.

In terms of hazard ratios, patients with nonvalvular AFib had a 57% greater risk of poor outcomes (P = .009) and those with valvular AFib had a 275% greater risk (P < .001), compared with patients with no AFib. Patients with valvular AFib had a 77% higher rate of cardiovascular death or stroke than those with nonvalvular AFib (P = .027).**

In their analysis, Dr. Okuno and colleagues acknowledged that the definition of valvular AFib used in guidelines and clinical trials isn’t uniform. Valvular atrial fibrillation was defined as AFib with mitral stenosis or a mitral valve prosthesis.

To account for the varying definitions of valvular and nonvalvular AFib, the researchers performed a sensitivity analysis of AFib patients with significant valve disease other than mitral stenosis; 42% of patients in the nonvalvular group fit this definition. Patients with AFib and valvular disease other than mitral stenosis had almost twice the risk of cardiovascular death or disabling stroke at 1 year, compared with patients who had AFib but no significant disease of any valve (20.1% vs. 10.9%, P = .03).

Furthermore, when they excluded patients with mild mitral stenosis from the valvular AFib group, “the effect of an increased risk for cardiovascular death or disabling stroke was no longer statistically significant.”

When the researchers separated out the two elements of the composite endpoint, they found valvular AFib carried a significantly higher risk of cardiovascular death – 21.1% (P < .002) vs. 7% for no AFib and 12.3% (P = .003) for nonvalvular AFib. However, the incidence of cardiovascular events – disabling stroke, nondisabling stroke and transient ischemic attack – showed no significant difference across the three groups, Dr. Okuno and colleagues noted. Specifically, the rates of disabling stroke were 3.8%, 3.7% and 5.7% in the no-AFib, nonvalvular-AFib, and valvular-AFib groups, respectively

In an invited editorial, Bernard Iung, MD, and Vincent Algalarrondo, MD, PhD, noted the problems with the definitions for valvular and nonvalvular AFib. “The term valvular AFib now frequently refers to patients with AFib associated with moderate or severe mitral stenosis or a mechanical heart valve,” they wrote. The definition is justified, they noted, because there’s little evidence on the use of non–vitamin K antagonist oral anticoagulants (NOACs) in patients with mitral stenosis.

They noted the term nonvalvular is “ambiguous” because it doesn’t exclude valvular disease but rather only a subset defined by the restrictive use of a class of anticoagulants. Hence, the definition of valvular AFib “is subject to criticisms and remains not standardized.”

“The individualization of valvular AFib in patients undergoing TAVR is debatable, and the definition used in the present study also included mild mitral stenosis and bioprostheses, thereby highlighting again the lack of a clear and uniform definition of the concept of valvular AFib,” they wrote.

While Dr. Welt said the findings may help in stratifying risk in patients with valvular AFib, he’s not certain how that would influence treatment decisions. “In most cases when we’re considering TAVR in these patients it’s because they have severe symptomatic aortic stenosis,” he said.

Surgery as an alternative is fraught with consequences, he said. “Would it be because you would want to repair the mitral valve as well?” he said. “And once you get into that territory, you’re talking about double-valve surgery, which is a much riskier operation than isolated aortic valve replacement.”

The study raises important questions about patients with valvular AFib, Dr. Welt added. “Why are these patients dying at higher rate? Is it some other arrhythmia or some other hemodynamic problem? Are there other things we can learn about these patients that would help us to better treat patients?”

But exploring these findings further with a randomized clinical trial may not be practical, he added. “The number of patients in whom this is an issue is in the scheme of things rather low: 6%,” he said.

Dr. Okuno has no relevant financial disclosures. Dr. Iung is a consultant for Edwards Lifesciences. Dr. Algalarrondo has been a consultant for Pfizer and Alnylam. Dr. Welt disclosed a relationship with Medtronic.

SOURCE: Okuno T et al. JACC Cardiovasc Interv. 2020 Sep 21. doi: 10.1016/j.jcin.2020.05.049.

Corrections, 9/29/20: An earlier version of this article misstated the increase in risk of (*) death or debilitating stroke and of (**) a poor outcome in those with valvular Afib.

Atrial fibrillation has been known to confer an increased risk for poor outcomes after transcatheter aortic valve replacement, but there’s been no evidence of how the etiology of AFib can influence post-TAVR outcomes.

enot-poloskun/Getty Images

Now, a group of researchers from Bern (Switzerland) University are reporting that valvular AFib almost triples the risk of death or debilitating stroke, compared with patients with no AFib, and significantly increases the risk over nonvalvular AFib.*

“The present findings may have implications for risk stratification in patients undergoing TAVR,” wrote Taishi Okuno, MD, and colleagues in what they said is the first study “to appreciate the combined effect” of AFib and mitral stenosis in TAVR. “The identification of valvular AFib may refine the estimated risk for adverse clinical outcomes in patients undergoing TAVR,” they wrote in JACC: Cardiovascular Interventions.

“The fact that valvular AFib seems to confer a higher risk is an interesting finding,” Fred Welt, MD, professor of cardiology at the University of Utah, Salt Lake City, said in an interview. “I think it helps to a certain extent in prognostication because we can say to patients who have concomitant mitral valve disease that they are at higher risk.” Dr. Welt is also chair of the American College of Cardiology Interventional Council.

The analysis included 1,472 patients with aortic stenosis who had TAVR at Bern University Hospital between August 2007 and June 2018, 32% of whom (465) had atrial fibrillation, subcategorized as nonvalvular (26%, 376) and valvular (6%, 89). The primary endpoint, a composite of cardiovascular death or disabling stroke 1 year after TAVR, occurred in 9.3% of patients with no AFib, 14.5% of those with nonvalvular AFib and 24.2% of patients with valvular AFib.

In terms of hazard ratios, patients with nonvalvular AFib had a 57% greater risk of poor outcomes (P = .009) and those with valvular AFib had a 275% greater risk (P < .001), compared with patients with no AFib. Patients with valvular AFib had a 77% higher rate of cardiovascular death or stroke than those with nonvalvular AFib (P = .027).**

In their analysis, Dr. Okuno and colleagues acknowledged that the definition of valvular AFib used in guidelines and clinical trials isn’t uniform. Valvular atrial fibrillation was defined as AFib with mitral stenosis or a mitral valve prosthesis.

To account for the varying definitions of valvular and nonvalvular AFib, the researchers performed a sensitivity analysis of AFib patients with significant valve disease other than mitral stenosis; 42% of patients in the nonvalvular group fit this definition. Patients with AFib and valvular disease other than mitral stenosis had almost twice the risk of cardiovascular death or disabling stroke at 1 year, compared with patients who had AFib but no significant disease of any valve (20.1% vs. 10.9%, P = .03).

Furthermore, when they excluded patients with mild mitral stenosis from the valvular AFib group, “the effect of an increased risk for cardiovascular death or disabling stroke was no longer statistically significant.”

When the researchers separated out the two elements of the composite endpoint, they found valvular AFib carried a significantly higher risk of cardiovascular death – 21.1% (P < .002) vs. 7% for no AFib and 12.3% (P = .003) for nonvalvular AFib. However, the incidence of cardiovascular events – disabling stroke, nondisabling stroke and transient ischemic attack – showed no significant difference across the three groups, Dr. Okuno and colleagues noted. Specifically, the rates of disabling stroke were 3.8%, 3.7% and 5.7% in the no-AFib, nonvalvular-AFib, and valvular-AFib groups, respectively

In an invited editorial, Bernard Iung, MD, and Vincent Algalarrondo, MD, PhD, noted the problems with the definitions for valvular and nonvalvular AFib. “The term valvular AFib now frequently refers to patients with AFib associated with moderate or severe mitral stenosis or a mechanical heart valve,” they wrote. The definition is justified, they noted, because there’s little evidence on the use of non–vitamin K antagonist oral anticoagulants (NOACs) in patients with mitral stenosis.

They noted the term nonvalvular is “ambiguous” because it doesn’t exclude valvular disease but rather only a subset defined by the restrictive use of a class of anticoagulants. Hence, the definition of valvular AFib “is subject to criticisms and remains not standardized.”

“The individualization of valvular AFib in patients undergoing TAVR is debatable, and the definition used in the present study also included mild mitral stenosis and bioprostheses, thereby highlighting again the lack of a clear and uniform definition of the concept of valvular AFib,” they wrote.

While Dr. Welt said the findings may help in stratifying risk in patients with valvular AFib, he’s not certain how that would influence treatment decisions. “In most cases when we’re considering TAVR in these patients it’s because they have severe symptomatic aortic stenosis,” he said.

Surgery as an alternative is fraught with consequences, he said. “Would it be because you would want to repair the mitral valve as well?” he said. “And once you get into that territory, you’re talking about double-valve surgery, which is a much riskier operation than isolated aortic valve replacement.”

The study raises important questions about patients with valvular AFib, Dr. Welt added. “Why are these patients dying at higher rate? Is it some other arrhythmia or some other hemodynamic problem? Are there other things we can learn about these patients that would help us to better treat patients?”

But exploring these findings further with a randomized clinical trial may not be practical, he added. “The number of patients in whom this is an issue is in the scheme of things rather low: 6%,” he said.

Dr. Okuno has no relevant financial disclosures. Dr. Iung is a consultant for Edwards Lifesciences. Dr. Algalarrondo has been a consultant for Pfizer and Alnylam. Dr. Welt disclosed a relationship with Medtronic.

SOURCE: Okuno T et al. JACC Cardiovasc Interv. 2020 Sep 21. doi: 10.1016/j.jcin.2020.05.049.

Corrections, 9/29/20: An earlier version of this article misstated the increase in risk of (*) death or debilitating stroke and of (**) a poor outcome in those with valvular Afib.

Atrial fibrillation has been known to confer an increased risk for poor outcomes after transcatheter aortic valve replacement, but there’s been no evidence of how the etiology of AFib can influence post-TAVR outcomes.

enot-poloskun/Getty Images

Now, a group of researchers from Bern (Switzerland) University are reporting that valvular AFib almost triples the risk of death or debilitating stroke, compared with patients with no AFib, and significantly increases the risk over nonvalvular AFib.*

“The present findings may have implications for risk stratification in patients undergoing TAVR,” wrote Taishi Okuno, MD, and colleagues in what they said is the first study “to appreciate the combined effect” of AFib and mitral stenosis in TAVR. “The identification of valvular AFib may refine the estimated risk for adverse clinical outcomes in patients undergoing TAVR,” they wrote in JACC: Cardiovascular Interventions.

“The fact that valvular AFib seems to confer a higher risk is an interesting finding,” Fred Welt, MD, professor of cardiology at the University of Utah, Salt Lake City, said in an interview. “I think it helps to a certain extent in prognostication because we can say to patients who have concomitant mitral valve disease that they are at higher risk.” Dr. Welt is also chair of the American College of Cardiology Interventional Council.

The analysis included 1,472 patients with aortic stenosis who had TAVR at Bern University Hospital between August 2007 and June 2018, 32% of whom (465) had atrial fibrillation, subcategorized as nonvalvular (26%, 376) and valvular (6%, 89). The primary endpoint, a composite of cardiovascular death or disabling stroke 1 year after TAVR, occurred in 9.3% of patients with no AFib, 14.5% of those with nonvalvular AFib and 24.2% of patients with valvular AFib.

In terms of hazard ratios, patients with nonvalvular AFib had a 57% greater risk of poor outcomes (P = .009) and those with valvular AFib had a 275% greater risk (P < .001), compared with patients with no AFib. Patients with valvular AFib had a 77% higher rate of cardiovascular death or stroke than those with nonvalvular AFib (P = .027).**

In their analysis, Dr. Okuno and colleagues acknowledged that the definition of valvular AFib used in guidelines and clinical trials isn’t uniform. Valvular atrial fibrillation was defined as AFib with mitral stenosis or a mitral valve prosthesis.

To account for the varying definitions of valvular and nonvalvular AFib, the researchers performed a sensitivity analysis of AFib patients with significant valve disease other than mitral stenosis; 42% of patients in the nonvalvular group fit this definition. Patients with AFib and valvular disease other than mitral stenosis had almost twice the risk of cardiovascular death or disabling stroke at 1 year, compared with patients who had AFib but no significant disease of any valve (20.1% vs. 10.9%, P = .03).

Furthermore, when they excluded patients with mild mitral stenosis from the valvular AFib group, “the effect of an increased risk for cardiovascular death or disabling stroke was no longer statistically significant.”

When the researchers separated out the two elements of the composite endpoint, they found valvular AFib carried a significantly higher risk of cardiovascular death – 21.1% (P < .002) vs. 7% for no AFib and 12.3% (P = .003) for nonvalvular AFib. However, the incidence of cardiovascular events – disabling stroke, nondisabling stroke and transient ischemic attack – showed no significant difference across the three groups, Dr. Okuno and colleagues noted. Specifically, the rates of disabling stroke were 3.8%, 3.7% and 5.7% in the no-AFib, nonvalvular-AFib, and valvular-AFib groups, respectively

In an invited editorial, Bernard Iung, MD, and Vincent Algalarrondo, MD, PhD, noted the problems with the definitions for valvular and nonvalvular AFib. “The term valvular AFib now frequently refers to patients with AFib associated with moderate or severe mitral stenosis or a mechanical heart valve,” they wrote. The definition is justified, they noted, because there’s little evidence on the use of non–vitamin K antagonist oral anticoagulants (NOACs) in patients with mitral stenosis.

They noted the term nonvalvular is “ambiguous” because it doesn’t exclude valvular disease but rather only a subset defined by the restrictive use of a class of anticoagulants. Hence, the definition of valvular AFib “is subject to criticisms and remains not standardized.”

“The individualization of valvular AFib in patients undergoing TAVR is debatable, and the definition used in the present study also included mild mitral stenosis and bioprostheses, thereby highlighting again the lack of a clear and uniform definition of the concept of valvular AFib,” they wrote.

While Dr. Welt said the findings may help in stratifying risk in patients with valvular AFib, he’s not certain how that would influence treatment decisions. “In most cases when we’re considering TAVR in these patients it’s because they have severe symptomatic aortic stenosis,” he said.

Surgery as an alternative is fraught with consequences, he said. “Would it be because you would want to repair the mitral valve as well?” he said. “And once you get into that territory, you’re talking about double-valve surgery, which is a much riskier operation than isolated aortic valve replacement.”

The study raises important questions about patients with valvular AFib, Dr. Welt added. “Why are these patients dying at higher rate? Is it some other arrhythmia or some other hemodynamic problem? Are there other things we can learn about these patients that would help us to better treat patients?”

But exploring these findings further with a randomized clinical trial may not be practical, he added. “The number of patients in whom this is an issue is in the scheme of things rather low: 6%,” he said.

Dr. Okuno has no relevant financial disclosures. Dr. Iung is a consultant for Edwards Lifesciences. Dr. Algalarrondo has been a consultant for Pfizer and Alnylam. Dr. Welt disclosed a relationship with Medtronic.

SOURCE: Okuno T et al. JACC Cardiovasc Interv. 2020 Sep 21. doi: 10.1016/j.jcin.2020.05.049.

Corrections, 9/29/20: An earlier version of this article misstated the increase in risk of (*) death or debilitating stroke and of (**) a poor outcome in those with valvular Afib.

Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.

Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.

Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.

Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.

Patients with multisystem inflammatory syndrome caused by COVID-19 typically seem to avoid coronary artery dilation early on, but they may be prone to cardiac injury and dysfunction longer term that requires a more discerning diagnostic approach to sort out.

The findings were revealed in a study of 28 children with COVID-19–related multisystem inflammatory syndrome (MIS-C) at Children’s Hospital of Philadelphia. The study reported that cardiac injury and dysfunction are common in these patients – even those who have preserved ejection fraction – and that diastolic dysfunction is persistent. For comparison, the study also included 20 healthy controls and 20 patients with classic Kawasaki disease (KD).

The study analyzed echocardiography findings in the patients, reporting left ventricular (LV) systolic and diastolic function were worse than in classic Kawasaki disease (KD), which MIS-C mimics. Lead author Daisuke Matsubara, MD, PhD, and colleagues reported that four markers – LV global longitudinal strain, LV circumferential strain rate, right ventricular strain, and left atrial strain – were the strongest predictors of myocardial injury in these patients. After the acute phase, systolic function tended to recover, but diastolic dysfunction persisted.
 

‘Strain’ measurement boosts accuracy

While echocardiography has been reported to be valuable in evaluating coronary artery function in MIS-C patients, Dr. Matsubara of the division of cardiology at CHOP, said in an interview that study is the first to use the newer echocardiography indexes, known as “strain,” to assess heart function.

“Strain is a more sensitive tool than more conventional indexes and can detect subtle decrease in heart function, even when ejection fraction is preserved,” he said. “Numerous publications have reached conclusions that strain improves the prognostic and diagnostic accuracy of echocardiography in a wide variety of cardiac pathologies causing LV dysfunction.”

Dr. Matsubara noted that the coronary arteries were mostly unaffected in the acute stage of MIS-C, as only one patient in their MIS-C cohort had coronary artery involvement, which normalized during early follow-up. “On the other hand, 20% of our classic KD patients had coronary abnormalities, including two with aneurysms.”

By using positive troponin I or elevated brain natriuretic peptide (BNP) to assess cardiac injury, they found a “high” (60%) incidence of myocardial injury in their MIS-C cohort. During early follow-up, most of the MIS-C patients showed normalization of systolic function, although diastolic dysfunction persisted.

When compared with the classic KD group, MIS-C patients had higher rates of mitral regurgitation (46% vs. 15%, P = .06), more pericardial effusion (32% vs. 15%, P = 0.46), and more pleural effusion (39% vs. 0%, P = .004). MIS-C patients with suspected myocardial injury show these findings more frequently than those with actual myocardial injury.

Compared with the healthy controls, the MIS-C patients showed both LV systolic and diastolic dysfunction as well as significantly lower left atrium (LA) strain and peak right ventricle (RV) free-wall longitudinal strain.

“In addition to the left ventricle, two other chambers of the heart, the LA and the RV that are often labeled as the ‘forgotten chambers’ of the heart, were also affected by MIS-C,” Dr. Matsubara said. “Both LA and RV strains were markedly reduced in MIS-C patients, compared to normal and KD patients.”

The study also indicates that elevated troponin I levels may not be as dire in children as they are in adults. Dr. Matsubara cited a study of more than 2,700 adult COVID-19 patients that found that even mild increases in troponin I level were associated with increased death during hospitalization (J Am Coll Cardiol. 2020;76:533-46).

However, most of the patients in the CHOP study, even those with elevated troponin I levels, recovered systolic function quickly. “We speculate that the elevation in cardiac troponins may have less dire implications in children, likely due to a more transient type of cardiac injury and less comorbidities in children,” he said. “Clearly further studies are needed before a definitive statement can be made.”

Dr. Matsubara added that recovered COVID-19 patients may be able to participate in sports as some schools reopen. “We are not saying restrict sport participation, but we are merely urging caution.”

Comprehensive LV evaluation needed

The findings reinforce that myocardial involvement is more frequent and sometimes more severe in MIS-C than previously thought, said Kevin G. Friedman, MD, a pediatrician at Harvard Medical School, Boston, and an attending physician in the department of cardiology at Boston Children’s Hospital. “We are underestimating it by using just traditional measures like ejection fraction. It requires a comprehensive evaluation of left ventricular function; it really affects all aspects of the ventricle, both the systolic function and the diastolic function.”

This study supports that MIS-C patients should have a more detailed analysis than EF on echocardiography, including strain imaging. “Probably these patients should all be followed at centers where they can evaluate a more detailed analysis of the LV and RV function,” he said. Patients with ongoing CA enlargement and LV dysfunction should have follow-up cardiac care indefinitely. Patients who have no cardiac symptoms during the acute phase probably don’t need long-term follow-up.

“We’re just trying to learn more about this disease, and it’s certainly concerning that so many kids are having cardiac involvement,” Dr. Friedman said. “Fortunately they’re getting better; we’re just trying to find out what this means for the long term.”

Dr. Matsubara and Dr. Friedman have no relevant financial disclosures.

SOURCE: Matsubara D et al. J Am Coll Cardiol. 2020 Sep 2. doi: 10.1016/j.jacc.2020.08.056.