Evidence supporting medications that slow the heart rate (HR), notably beta-blockers, is overwhelming in heart failure (HF) with reduced ejection fraction. Underwhelming, however, is clinical trial support for such agents in patients with HF with preserved ejection fraction (HFpEF).
 

Indeed, at least for some such patients, a treatment that modestly accelerates resting HR may be a more promising strategy, suggests an early line of research that challenges prevalent thinking about HFpEF therapy.

In a small, randomized test of the idea, patients with HFpEF and standard pacemakers set to a backup resting HR a bit higher than a standard of care 60 bpm, usually to about 75 bpm, reaped important quality of life benefits.

More strikingly, their natriuretic peptide levels and burden of atrial fibrillation (AFib) fell significantly, the latter by 27% over 1 year.

The trial enrolled only HFpEF patients with pacemakers previously implanted for sick sinus syndrome or atrioventricular block. But researchers say their 107-patient study called myPACE – if confirmed in larger, multicenter trials – lays the groundwork for a device therapy that is broadly useful, potentially, in patients with “preclinical or overt” HFpEF.

Indeed, some of the intervention’s “quite substantial” benefits rivaled or surpassed what his group has observed with available HFpEF drug therapies, including the sodium-glucose cotransporter 2 inhibitors, observed Markus Meyer, MD, PhD, University of Minnesota, Minneapolis.

Moreover, the study may be “the first to show that, with this approach, we can actually also reduce atrial fibrillation,” he said in an interview.

Dr. Meyer said his group is “confident” that the HR-modulation strategy will be successful in appropriate clinical trials and that “pacemakers, in the end, will become a treatment modality for HFpEF.”

Meyer is senior author on the trial’s publication in JAMA Cardiology in JAMA Cardiology (2023 Feb 1. doi: 10.1001/jamacardio.2022.5320), with lead author Margaret Infeld, MD, University of Vermont, Burlington.

The trial entered pacemaker patients with HFpEF of stage B or C – that is, either asymptomatic with structural disease or fully symptomatic. But, Dr. Meyer said, “we saw that the treatment effect was much more pronounced in the patients who had overt heart failure with preserved ejection fraction.”
 

Challenging beta-blocker dogma

The study, the report states, “contradicts canonical thinking” by suggesting HFpEF patients may benefit from a higher resting heart rate, which would presumably shorten diastolic filling time. It also “may help reduce the overprescription of beta-blockers to allow higher heart rates in this population.”

Indeed, Dr. Meyer observed, no one really knows whether beta-blockers work in HFpEF, “because they really have never been studied in a sufficiently powered randomized controlled trial.”

The current study “basically rewrites what we know about the pathophysiology of this form of clinical heart failure,” said Michael R. Zile, MD, Medical University of South Carolina and Veterans Affairs Medical Center, both in Charleston, who was not part of the trial or report.

Previously in HFpEF, Dr. Zile said in an interview, “everybody thought you needed to make diastole longer to give the ventricle a longer time to fill. And none of that really made any sense. It was just sort of accepted as dogma.”

The idea led to widespread use of beta-blockers in HFpEF but “turned out just not to be true.” Indeed, European and North American guidelines, Dr. Zile observed, “have all taken beta-blockers out of the equation for HFpEF” except for treating comorbidities that can be associated with HFpEF, like hypertension or AFib.

Many patients with HFpEF and chronotropic incompetence could be provided with standard pacemakers with primarily conduction-system pacing but are not getting them, he observed.

The current study might help change that. No one is suggesting, based on the current study, “that we start putting pacemakers in every single patient with HFpEF,” Dr. Zile said. Still, for HFpEF patients already with a pacemaker, the study provides “reasonable assurance” that its criteria for elevated resting HR may well improve symptoms.

Moreover, it suggests such pacemakers, programmed as in the study, might potentially give a boost to HFpEF patients without chronotropic incompetence but with persisting symptoms despite guideline-directed drug therapy. That’s certainly worth exploring in further trials, Dr. Zile said.
 

How the study worked

The single-center trial entered 107 participants with HFpEF and pacemakers set, at baseline, to a backup resting HR of 60 bpm; their age averaged 75 and 48% were women. Only patients with devices for atrial pacing, conduction-system pacing, or biventricular pacing – which are unlikely to promote ventricular dyssynchrony – were included.

They were randomly assigned, double-blind, to have their devices set to an accelerated backup rate or to be continued at 60 bpm. The backup resting rate set for the intervention group’s 50 patients was individualized based on height and other factors; the median was 75 bpm.

Scores on the Minnesota Living with Heart Failure Questionnaire, the primary endpoint, improved in the intervention group, compared with baseline, by about 11 points after 1 month and by 15 points after 1 year (P < .001).

The scores in the usual-care group deteriorated by half a point and by 3.5 points at 1 month and 1 year (P = .03), respectively.

Consistent advantages for the accelerated-HR strategy were evident throughout the major secondary endpoints. For example, levels of N-terminal pro-B-type natriuretic peptide fell an average 109 pg/dL after 1 month in the accelerated-HR group and rose a mean of 128 pg/dL in the usual-care group (P = .02).

Mean daily pacemaker-monitored activity level rose by 47 minutes by 1 year in the accelerated-HR group, compared with a drop of 22 minutes for those assigned to the standard-care rate (P < .001).

AFib was detected in 18% of intervention patients at the 1-year follow-up, down from 31% at baseline. Their risk ratio for AFib at 1 year was 0.73 (95% confidence interval, 0.55-0.99, P = .04), compared with the control group.

In other patients with HFpEF “we have done pacing studies where we just ramped up the pacing rate, and we see that these pressures in the left atrium actually drop immediately,” Dr. Meyer said. It’s that “unburdening of the atria,” he added, that probably leads to the reduction in AFib.

Dr. Meyer reported holding a patent for pacemakers for HFpEF licensed to Medtronic. Dr. Zile said he consults for Medtronic and has no other relevant financial relationships.

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

Evidence supporting medications that slow the heart rate (HR), notably beta-blockers, is overwhelming in heart failure (HF) with reduced ejection fraction. Underwhelming, however, is clinical trial support for such agents in patients with HF with preserved ejection fraction (HFpEF).
 

Indeed, at least for some such patients, a treatment that modestly accelerates resting HR may be a more promising strategy, suggests an early line of research that challenges prevalent thinking about HFpEF therapy.

In a small, randomized test of the idea, patients with HFpEF and standard pacemakers set to a backup resting HR a bit higher than a standard of care 60 bpm, usually to about 75 bpm, reaped important quality of life benefits.

More strikingly, their natriuretic peptide levels and burden of atrial fibrillation (AFib) fell significantly, the latter by 27% over 1 year.

The trial enrolled only HFpEF patients with pacemakers previously implanted for sick sinus syndrome or atrioventricular block. But researchers say their 107-patient study called myPACE – if confirmed in larger, multicenter trials – lays the groundwork for a device therapy that is broadly useful, potentially, in patients with “preclinical or overt” HFpEF.

Indeed, some of the intervention’s “quite substantial” benefits rivaled or surpassed what his group has observed with available HFpEF drug therapies, including the sodium-glucose cotransporter 2 inhibitors, observed Markus Meyer, MD, PhD, University of Minnesota, Minneapolis.

Moreover, the study may be “the first to show that, with this approach, we can actually also reduce atrial fibrillation,” he said in an interview.

Dr. Meyer said his group is “confident” that the HR-modulation strategy will be successful in appropriate clinical trials and that “pacemakers, in the end, will become a treatment modality for HFpEF.”

Meyer is senior author on the trial’s publication in JAMA Cardiology in JAMA Cardiology (2023 Feb 1. doi: 10.1001/jamacardio.2022.5320), with lead author Margaret Infeld, MD, University of Vermont, Burlington.

The trial entered pacemaker patients with HFpEF of stage B or C – that is, either asymptomatic with structural disease or fully symptomatic. But, Dr. Meyer said, “we saw that the treatment effect was much more pronounced in the patients who had overt heart failure with preserved ejection fraction.”
 

Challenging beta-blocker dogma

The study, the report states, “contradicts canonical thinking” by suggesting HFpEF patients may benefit from a higher resting heart rate, which would presumably shorten diastolic filling time. It also “may help reduce the overprescription of beta-blockers to allow higher heart rates in this population.”

Indeed, Dr. Meyer observed, no one really knows whether beta-blockers work in HFpEF, “because they really have never been studied in a sufficiently powered randomized controlled trial.”

The current study “basically rewrites what we know about the pathophysiology of this form of clinical heart failure,” said Michael R. Zile, MD, Medical University of South Carolina and Veterans Affairs Medical Center, both in Charleston, who was not part of the trial or report.

Previously in HFpEF, Dr. Zile said in an interview, “everybody thought you needed to make diastole longer to give the ventricle a longer time to fill. And none of that really made any sense. It was just sort of accepted as dogma.”

The idea led to widespread use of beta-blockers in HFpEF but “turned out just not to be true.” Indeed, European and North American guidelines, Dr. Zile observed, “have all taken beta-blockers out of the equation for HFpEF” except for treating comorbidities that can be associated with HFpEF, like hypertension or AFib.

Many patients with HFpEF and chronotropic incompetence could be provided with standard pacemakers with primarily conduction-system pacing but are not getting them, he observed.

The current study might help change that. No one is suggesting, based on the current study, “that we start putting pacemakers in every single patient with HFpEF,” Dr. Zile said. Still, for HFpEF patients already with a pacemaker, the study provides “reasonable assurance” that its criteria for elevated resting HR may well improve symptoms.

Moreover, it suggests such pacemakers, programmed as in the study, might potentially give a boost to HFpEF patients without chronotropic incompetence but with persisting symptoms despite guideline-directed drug therapy. That’s certainly worth exploring in further trials, Dr. Zile said.
 

How the study worked

The single-center trial entered 107 participants with HFpEF and pacemakers set, at baseline, to a backup resting HR of 60 bpm; their age averaged 75 and 48% were women. Only patients with devices for atrial pacing, conduction-system pacing, or biventricular pacing – which are unlikely to promote ventricular dyssynchrony – were included.

They were randomly assigned, double-blind, to have their devices set to an accelerated backup rate or to be continued at 60 bpm. The backup resting rate set for the intervention group’s 50 patients was individualized based on height and other factors; the median was 75 bpm.

Scores on the Minnesota Living with Heart Failure Questionnaire, the primary endpoint, improved in the intervention group, compared with baseline, by about 11 points after 1 month and by 15 points after 1 year (P < .001).

The scores in the usual-care group deteriorated by half a point and by 3.5 points at 1 month and 1 year (P = .03), respectively.

Consistent advantages for the accelerated-HR strategy were evident throughout the major secondary endpoints. For example, levels of N-terminal pro-B-type natriuretic peptide fell an average 109 pg/dL after 1 month in the accelerated-HR group and rose a mean of 128 pg/dL in the usual-care group (P = .02).

Mean daily pacemaker-monitored activity level rose by 47 minutes by 1 year in the accelerated-HR group, compared with a drop of 22 minutes for those assigned to the standard-care rate (P < .001).

AFib was detected in 18% of intervention patients at the 1-year follow-up, down from 31% at baseline. Their risk ratio for AFib at 1 year was 0.73 (95% confidence interval, 0.55-0.99, P = .04), compared with the control group.

In other patients with HFpEF “we have done pacing studies where we just ramped up the pacing rate, and we see that these pressures in the left atrium actually drop immediately,” Dr. Meyer said. It’s that “unburdening of the atria,” he added, that probably leads to the reduction in AFib.

Dr. Meyer reported holding a patent for pacemakers for HFpEF licensed to Medtronic. Dr. Zile said he consults for Medtronic and has no other relevant financial relationships.

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

Evidence supporting medications that slow the heart rate (HR), notably beta-blockers, is overwhelming in heart failure (HF) with reduced ejection fraction. Underwhelming, however, is clinical trial support for such agents in patients with HF with preserved ejection fraction (HFpEF).
 

Indeed, at least for some such patients, a treatment that modestly accelerates resting HR may be a more promising strategy, suggests an early line of research that challenges prevalent thinking about HFpEF therapy.

In a small, randomized test of the idea, patients with HFpEF and standard pacemakers set to a backup resting HR a bit higher than a standard of care 60 bpm, usually to about 75 bpm, reaped important quality of life benefits.

More strikingly, their natriuretic peptide levels and burden of atrial fibrillation (AFib) fell significantly, the latter by 27% over 1 year.

The trial enrolled only HFpEF patients with pacemakers previously implanted for sick sinus syndrome or atrioventricular block. But researchers say their 107-patient study called myPACE – if confirmed in larger, multicenter trials – lays the groundwork for a device therapy that is broadly useful, potentially, in patients with “preclinical or overt” HFpEF.

Indeed, some of the intervention’s “quite substantial” benefits rivaled or surpassed what his group has observed with available HFpEF drug therapies, including the sodium-glucose cotransporter 2 inhibitors, observed Markus Meyer, MD, PhD, University of Minnesota, Minneapolis.

Moreover, the study may be “the first to show that, with this approach, we can actually also reduce atrial fibrillation,” he said in an interview.

Dr. Meyer said his group is “confident” that the HR-modulation strategy will be successful in appropriate clinical trials and that “pacemakers, in the end, will become a treatment modality for HFpEF.”

Meyer is senior author on the trial’s publication in JAMA Cardiology in JAMA Cardiology (2023 Feb 1. doi: 10.1001/jamacardio.2022.5320), with lead author Margaret Infeld, MD, University of Vermont, Burlington.

The trial entered pacemaker patients with HFpEF of stage B or C – that is, either asymptomatic with structural disease or fully symptomatic. But, Dr. Meyer said, “we saw that the treatment effect was much more pronounced in the patients who had overt heart failure with preserved ejection fraction.”
 

Challenging beta-blocker dogma

The study, the report states, “contradicts canonical thinking” by suggesting HFpEF patients may benefit from a higher resting heart rate, which would presumably shorten diastolic filling time. It also “may help reduce the overprescription of beta-blockers to allow higher heart rates in this population.”

Indeed, Dr. Meyer observed, no one really knows whether beta-blockers work in HFpEF, “because they really have never been studied in a sufficiently powered randomized controlled trial.”

The current study “basically rewrites what we know about the pathophysiology of this form of clinical heart failure,” said Michael R. Zile, MD, Medical University of South Carolina and Veterans Affairs Medical Center, both in Charleston, who was not part of the trial or report.

Previously in HFpEF, Dr. Zile said in an interview, “everybody thought you needed to make diastole longer to give the ventricle a longer time to fill. And none of that really made any sense. It was just sort of accepted as dogma.”

The idea led to widespread use of beta-blockers in HFpEF but “turned out just not to be true.” Indeed, European and North American guidelines, Dr. Zile observed, “have all taken beta-blockers out of the equation for HFpEF” except for treating comorbidities that can be associated with HFpEF, like hypertension or AFib.

Many patients with HFpEF and chronotropic incompetence could be provided with standard pacemakers with primarily conduction-system pacing but are not getting them, he observed.

The current study might help change that. No one is suggesting, based on the current study, “that we start putting pacemakers in every single patient with HFpEF,” Dr. Zile said. Still, for HFpEF patients already with a pacemaker, the study provides “reasonable assurance” that its criteria for elevated resting HR may well improve symptoms.

Moreover, it suggests such pacemakers, programmed as in the study, might potentially give a boost to HFpEF patients without chronotropic incompetence but with persisting symptoms despite guideline-directed drug therapy. That’s certainly worth exploring in further trials, Dr. Zile said.
 

How the study worked

The single-center trial entered 107 participants with HFpEF and pacemakers set, at baseline, to a backup resting HR of 60 bpm; their age averaged 75 and 48% were women. Only patients with devices for atrial pacing, conduction-system pacing, or biventricular pacing – which are unlikely to promote ventricular dyssynchrony – were included.

They were randomly assigned, double-blind, to have their devices set to an accelerated backup rate or to be continued at 60 bpm. The backup resting rate set for the intervention group’s 50 patients was individualized based on height and other factors; the median was 75 bpm.

Scores on the Minnesota Living with Heart Failure Questionnaire, the primary endpoint, improved in the intervention group, compared with baseline, by about 11 points after 1 month and by 15 points after 1 year (P < .001).

The scores in the usual-care group deteriorated by half a point and by 3.5 points at 1 month and 1 year (P = .03), respectively.

Consistent advantages for the accelerated-HR strategy were evident throughout the major secondary endpoints. For example, levels of N-terminal pro-B-type natriuretic peptide fell an average 109 pg/dL after 1 month in the accelerated-HR group and rose a mean of 128 pg/dL in the usual-care group (P = .02).

Mean daily pacemaker-monitored activity level rose by 47 minutes by 1 year in the accelerated-HR group, compared with a drop of 22 minutes for those assigned to the standard-care rate (P < .001).

AFib was detected in 18% of intervention patients at the 1-year follow-up, down from 31% at baseline. Their risk ratio for AFib at 1 year was 0.73 (95% confidence interval, 0.55-0.99, P = .04), compared with the control group.

In other patients with HFpEF “we have done pacing studies where we just ramped up the pacing rate, and we see that these pressures in the left atrium actually drop immediately,” Dr. Meyer said. It’s that “unburdening of the atria,” he added, that probably leads to the reduction in AFib.

Dr. Meyer reported holding a patent for pacemakers for HFpEF licensed to Medtronic. Dr. Zile said he consults for Medtronic and has no other relevant financial relationships.

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

The longer people had diabetes, the greater their rate of incident heart failure, suggests a recently published review of prospectively collected observational data from nearly 24,000 people with diabetes in the UK Biobank.

The findings “add to the growing body of evidence suggesting that duration of diabetes is an important and independent determinant of heart failure among patients with diabetes,” comments Justin B. Echouffo-Tcheugui, MD, PhD, in an accompanying editorial.

Collectively, the new UK Biobank results and prior findings, “provide additional persuasive evidence that the link between duration of diabetes and heart failure is real,” although the physiological mechanisms behind the relationship remain incompletely understood, wrote Dr. Echouffo-Tcheugui, an endocrinologist at Johns Hopkins Medicine, Baltimore.

“The duration of diabetes may reflect cumulative effects of various adverse processes in the setting of diabetes” that result in “intrinsic myocardial lesions,” he suggested. These adverse processes might include not only hyperglycemia, but also glucotoxicity, lipotoxicity, hyperinsulinemia, advanced glycosylation end products, oxidative stress, mitochondrial dysfunction, cardiac autonomic neuropathy, and coronary microvascular dysfunction. Long-duration diabetes may also contribute to declining kidney function, which can further worsen heart failure risk.

The upshot is that clinicians may need to consider more systematically the duration of diabetes when assessing people with diabetes for heart failure.

Existing risk-assessment tools for predicting heart failure in people with diabetes “have not always accounted for diabetes duration,” Dr. Echouffo-Tcheugui noted.
 

Intensify heart failure detection with longer diabetes duration

“Active heart failure detection should perhaps be intensified with increased diabetes duration,” Dr. Echouffo-Tcheugui suggested in his editorial. He noted that a 2022 consensus report by the American Diabetes Association recommends clinicians measure natriuretic peptide or high-sensitivity cardiac troponin in all people with diabetes “on at least a yearly basis to identify the earliest heart failure stages and implement strategies to prevent transition to symptomatic heart failure.”

The UK Biobank study was run by investigators primarily based in China and included data from 23,754 people with type 1 or type 2 diabetes and no heart failure at baseline. The prospectively collected data allowed for a median follow-up of 11.7 years, during which time 2,081 people developed incident heart failure.

In an analysis that divided participants into four categories of diabetes duration (< 5 years, 5-9 years, 10-14 years, and ≥ 15 years) and adjusted for potential confounders, heart failure incidence showed a significant 32% increased incidence among those with diabetes for at least 15 years, compared with those with diabetes for less than 5 years. People with a diabetes duration of 5-14 years showed a trend toward having more incident heart failure, compared with those with diabetes for less than 5 years, but the difference was not significant. 

An adjusted analysis also showed poor glycemic control at baseline (hemoglobin A1c ≥ 8.0%) significantly linked with a 46% increased incidence of heart failure, compared with those with baseline A1c less than 7.0%.
 

Additive effect?

When the authors analyzed the effect of both these variables, they saw a roughly additive effect.

Patients with diabetes for at least 15 years and a baseline A1c of at least 8.0% had a 98% increased incidence of heart failure, compared with those who had diabetes for less than 5 years and a baseline A1c less than 7.0%, after adjustment. This association was independent of age, sex, and race.

These findings “highlight the paramount role of the duration of diabetes and its interaction with glycemic control in the development of heart failure,” the authors concluded. “Long duration of diabetes and poor glycemic control may result in structural and functional changes in the myocardium, which is likely to underlie the pathogenesis of heart failure among individuals with diabetes.”

In his editorial, Dr. Echouffo-Tcheugui lauded the report for its “robust” analyses that included a large sample and accounted for key confounders, such as glycemic control. However, he also cited eight “shortcomings” of the study, including its sole reliance on A1c levels to identify diabetes, a likely underestimation of diabetes duration, the lumping together of people with type 1 and type 2 diabetes, and lack of a subanalysis of incident heart failure in those with preserved or reduced left ventricular ejection fraction.

Among prior reports of evidence also suggesting an effect of diabetes duration on incident heart failure, Dr. Echouffo-Tcheugui cited a study he led, published in 2021, that analyzed prospective, longitudinal, observational data from 9,734 adults enrolled in the Atherosclerosis Risk in Communities study. The results showed that, compared with those without diabetes, the incidence of heart failure rose with longer diabetes duration, with the highest risk among those with diabetes for at least 15 years, who had a 2.8-fold increase in heart failure versus the reference group. Each 5-year increase in diabetes duration was associated with a significant 17% relative increase in heart failure incidence.

The study received no commercial funding. The authors and editorialist reported no relevant financial relationships.

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

The longer people had diabetes, the greater their rate of incident heart failure, suggests a recently published review of prospectively collected observational data from nearly 24,000 people with diabetes in the UK Biobank.

The findings “add to the growing body of evidence suggesting that duration of diabetes is an important and independent determinant of heart failure among patients with diabetes,” comments Justin B. Echouffo-Tcheugui, MD, PhD, in an accompanying editorial.

Collectively, the new UK Biobank results and prior findings, “provide additional persuasive evidence that the link between duration of diabetes and heart failure is real,” although the physiological mechanisms behind the relationship remain incompletely understood, wrote Dr. Echouffo-Tcheugui, an endocrinologist at Johns Hopkins Medicine, Baltimore.

“The duration of diabetes may reflect cumulative effects of various adverse processes in the setting of diabetes” that result in “intrinsic myocardial lesions,” he suggested. These adverse processes might include not only hyperglycemia, but also glucotoxicity, lipotoxicity, hyperinsulinemia, advanced glycosylation end products, oxidative stress, mitochondrial dysfunction, cardiac autonomic neuropathy, and coronary microvascular dysfunction. Long-duration diabetes may also contribute to declining kidney function, which can further worsen heart failure risk.

The upshot is that clinicians may need to consider more systematically the duration of diabetes when assessing people with diabetes for heart failure.

Existing risk-assessment tools for predicting heart failure in people with diabetes “have not always accounted for diabetes duration,” Dr. Echouffo-Tcheugui noted.
 

Intensify heart failure detection with longer diabetes duration

“Active heart failure detection should perhaps be intensified with increased diabetes duration,” Dr. Echouffo-Tcheugui suggested in his editorial. He noted that a 2022 consensus report by the American Diabetes Association recommends clinicians measure natriuretic peptide or high-sensitivity cardiac troponin in all people with diabetes “on at least a yearly basis to identify the earliest heart failure stages and implement strategies to prevent transition to symptomatic heart failure.”

The UK Biobank study was run by investigators primarily based in China and included data from 23,754 people with type 1 or type 2 diabetes and no heart failure at baseline. The prospectively collected data allowed for a median follow-up of 11.7 years, during which time 2,081 people developed incident heart failure.

In an analysis that divided participants into four categories of diabetes duration (< 5 years, 5-9 years, 10-14 years, and ≥ 15 years) and adjusted for potential confounders, heart failure incidence showed a significant 32% increased incidence among those with diabetes for at least 15 years, compared with those with diabetes for less than 5 years. People with a diabetes duration of 5-14 years showed a trend toward having more incident heart failure, compared with those with diabetes for less than 5 years, but the difference was not significant. 

An adjusted analysis also showed poor glycemic control at baseline (hemoglobin A1c ≥ 8.0%) significantly linked with a 46% increased incidence of heart failure, compared with those with baseline A1c less than 7.0%.
 

Additive effect?

When the authors analyzed the effect of both these variables, they saw a roughly additive effect.

Patients with diabetes for at least 15 years and a baseline A1c of at least 8.0% had a 98% increased incidence of heart failure, compared with those who had diabetes for less than 5 years and a baseline A1c less than 7.0%, after adjustment. This association was independent of age, sex, and race.

These findings “highlight the paramount role of the duration of diabetes and its interaction with glycemic control in the development of heart failure,” the authors concluded. “Long duration of diabetes and poor glycemic control may result in structural and functional changes in the myocardium, which is likely to underlie the pathogenesis of heart failure among individuals with diabetes.”

In his editorial, Dr. Echouffo-Tcheugui lauded the report for its “robust” analyses that included a large sample and accounted for key confounders, such as glycemic control. However, he also cited eight “shortcomings” of the study, including its sole reliance on A1c levels to identify diabetes, a likely underestimation of diabetes duration, the lumping together of people with type 1 and type 2 diabetes, and lack of a subanalysis of incident heart failure in those with preserved or reduced left ventricular ejection fraction.

Among prior reports of evidence also suggesting an effect of diabetes duration on incident heart failure, Dr. Echouffo-Tcheugui cited a study he led, published in 2021, that analyzed prospective, longitudinal, observational data from 9,734 adults enrolled in the Atherosclerosis Risk in Communities study. The results showed that, compared with those without diabetes, the incidence of heart failure rose with longer diabetes duration, with the highest risk among those with diabetes for at least 15 years, who had a 2.8-fold increase in heart failure versus the reference group. Each 5-year increase in diabetes duration was associated with a significant 17% relative increase in heart failure incidence.

The study received no commercial funding. The authors and editorialist reported no relevant financial relationships.

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

The longer people had diabetes, the greater their rate of incident heart failure, suggests a recently published review of prospectively collected observational data from nearly 24,000 people with diabetes in the UK Biobank.

The findings “add to the growing body of evidence suggesting that duration of diabetes is an important and independent determinant of heart failure among patients with diabetes,” comments Justin B. Echouffo-Tcheugui, MD, PhD, in an accompanying editorial.

Collectively, the new UK Biobank results and prior findings, “provide additional persuasive evidence that the link between duration of diabetes and heart failure is real,” although the physiological mechanisms behind the relationship remain incompletely understood, wrote Dr. Echouffo-Tcheugui, an endocrinologist at Johns Hopkins Medicine, Baltimore.

“The duration of diabetes may reflect cumulative effects of various adverse processes in the setting of diabetes” that result in “intrinsic myocardial lesions,” he suggested. These adverse processes might include not only hyperglycemia, but also glucotoxicity, lipotoxicity, hyperinsulinemia, advanced glycosylation end products, oxidative stress, mitochondrial dysfunction, cardiac autonomic neuropathy, and coronary microvascular dysfunction. Long-duration diabetes may also contribute to declining kidney function, which can further worsen heart failure risk.

The upshot is that clinicians may need to consider more systematically the duration of diabetes when assessing people with diabetes for heart failure.

Existing risk-assessment tools for predicting heart failure in people with diabetes “have not always accounted for diabetes duration,” Dr. Echouffo-Tcheugui noted.
 

Intensify heart failure detection with longer diabetes duration

“Active heart failure detection should perhaps be intensified with increased diabetes duration,” Dr. Echouffo-Tcheugui suggested in his editorial. He noted that a 2022 consensus report by the American Diabetes Association recommends clinicians measure natriuretic peptide or high-sensitivity cardiac troponin in all people with diabetes “on at least a yearly basis to identify the earliest heart failure stages and implement strategies to prevent transition to symptomatic heart failure.”

The UK Biobank study was run by investigators primarily based in China and included data from 23,754 people with type 1 or type 2 diabetes and no heart failure at baseline. The prospectively collected data allowed for a median follow-up of 11.7 years, during which time 2,081 people developed incident heart failure.

In an analysis that divided participants into four categories of diabetes duration (< 5 years, 5-9 years, 10-14 years, and ≥ 15 years) and adjusted for potential confounders, heart failure incidence showed a significant 32% increased incidence among those with diabetes for at least 15 years, compared with those with diabetes for less than 5 years. People with a diabetes duration of 5-14 years showed a trend toward having more incident heart failure, compared with those with diabetes for less than 5 years, but the difference was not significant. 

An adjusted analysis also showed poor glycemic control at baseline (hemoglobin A1c ≥ 8.0%) significantly linked with a 46% increased incidence of heart failure, compared with those with baseline A1c less than 7.0%.
 

Additive effect?

When the authors analyzed the effect of both these variables, they saw a roughly additive effect.

Patients with diabetes for at least 15 years and a baseline A1c of at least 8.0% had a 98% increased incidence of heart failure, compared with those who had diabetes for less than 5 years and a baseline A1c less than 7.0%, after adjustment. This association was independent of age, sex, and race.

These findings “highlight the paramount role of the duration of diabetes and its interaction with glycemic control in the development of heart failure,” the authors concluded. “Long duration of diabetes and poor glycemic control may result in structural and functional changes in the myocardium, which is likely to underlie the pathogenesis of heart failure among individuals with diabetes.”

In his editorial, Dr. Echouffo-Tcheugui lauded the report for its “robust” analyses that included a large sample and accounted for key confounders, such as glycemic control. However, he also cited eight “shortcomings” of the study, including its sole reliance on A1c levels to identify diabetes, a likely underestimation of diabetes duration, the lumping together of people with type 1 and type 2 diabetes, and lack of a subanalysis of incident heart failure in those with preserved or reduced left ventricular ejection fraction.

Among prior reports of evidence also suggesting an effect of diabetes duration on incident heart failure, Dr. Echouffo-Tcheugui cited a study he led, published in 2021, that analyzed prospective, longitudinal, observational data from 9,734 adults enrolled in the Atherosclerosis Risk in Communities study. The results showed that, compared with those without diabetes, the incidence of heart failure rose with longer diabetes duration, with the highest risk among those with diabetes for at least 15 years, who had a 2.8-fold increase in heart failure versus the reference group. Each 5-year increase in diabetes duration was associated with a significant 17% relative increase in heart failure incidence.

The study received no commercial funding. The authors and editorialist reported no relevant financial relationships.

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

Among adults with psoriatic arthritis (PsA), 11.8% required at least one musculoskeletal surgery related to their disease, based on data from more than 1,500 individuals at the University of Toronto’s Psoriatic Arthritis Clinic.

“Despite optimal medical therapy to control systemic inflammation and preserve joint function, a subset of patients with PsA still require musculoskeletal (MSK) surgery for disease-related morbidity,” but data on the prevalence of MSK surgeries and the associated risk factors are lacking, wrote Timothy S.H. Kwok, MD, of the University of Toronto, and colleagues.

In a study published in The Journal of Rheumatology, the researchers reviewed data from a longitudinal cohort of 1,574 adults aged 18 years and older with PsA established at the Toronto clinic during 1978-2019.

Overall, 185 patients had 379 MSK surgeries related to PsA during the study period for a prevalence of 11.8%.

The most common procedures were arthrodesis and arthroplasty (27% for both). More than half (59%) of the surgeries were joint sacrificing, and 41% were joint retaining, and 57 procedures were revisions related to the primary surgery.

Among 1,018 patients with data complete enough for a multivariate analysis, including 71 PsA surgeries, factors significantly associated with an increased risk for surgery were a higher number of damaged joints (hazard ratio [HR], 1.03; P < .001), tender or swollen joints (HR, 1.04; P = .01), and the presence of nail lesions (HR, 2.08; P < .01). Other predictors of surgery were higher scores on the Health Assessment Questionnaire (HR, 2.01; P < .001), elevated erythrocyte sedimentation rate (HR, 2.37; P = .02), and HLA-B27 positivity (HR, 2.22; P = .048).

However, a higher score on the Psoriasis Area Severity Index was significantly associated with lower risk of surgery (HR, 0.88; P < .002) The use of biologics had no significant impact on MSK surgery, the researchers noted.

The high percentage of joint sacrificing surgeries suggests a high burden of MSK surgery in patients with PsA, the researchers wrote in their discussion. The current study supports findings from previous studies and highlights the potential limitations and need for improvement in the current medical treatment paradigm for PsA, they said.

The findings were limited by several factors, including the potential for referral bias of complex cases to the center, which might have caused overestimation of the number of surgeries. The similarity in surgeries specifically related to PsA and degenerative arthritis also makes overestimation of surgeries possible, the researchers noted.

However, the study is one of the largest known to evaluate the prevalence of risk factors for MSK surgery in PsA patients over a long period of time, and identified surgeries directly attributable to PsA, they said. The study ended prior to the onset of the COVID-19 pandemic, which increased the external validity of the findings, they added.

The study was supported by the Krembil Foundation. The researchers had no financial conflicts to disclose.

Among adults with psoriatic arthritis (PsA), 11.8% required at least one musculoskeletal surgery related to their disease, based on data from more than 1,500 individuals at the University of Toronto’s Psoriatic Arthritis Clinic.

“Despite optimal medical therapy to control systemic inflammation and preserve joint function, a subset of patients with PsA still require musculoskeletal (MSK) surgery for disease-related morbidity,” but data on the prevalence of MSK surgeries and the associated risk factors are lacking, wrote Timothy S.H. Kwok, MD, of the University of Toronto, and colleagues.

In a study published in The Journal of Rheumatology, the researchers reviewed data from a longitudinal cohort of 1,574 adults aged 18 years and older with PsA established at the Toronto clinic during 1978-2019.

Overall, 185 patients had 379 MSK surgeries related to PsA during the study period for a prevalence of 11.8%.

The most common procedures were arthrodesis and arthroplasty (27% for both). More than half (59%) of the surgeries were joint sacrificing, and 41% were joint retaining, and 57 procedures were revisions related to the primary surgery.

Among 1,018 patients with data complete enough for a multivariate analysis, including 71 PsA surgeries, factors significantly associated with an increased risk for surgery were a higher number of damaged joints (hazard ratio [HR], 1.03; P < .001), tender or swollen joints (HR, 1.04; P = .01), and the presence of nail lesions (HR, 2.08; P < .01). Other predictors of surgery were higher scores on the Health Assessment Questionnaire (HR, 2.01; P < .001), elevated erythrocyte sedimentation rate (HR, 2.37; P = .02), and HLA-B27 positivity (HR, 2.22; P = .048).

However, a higher score on the Psoriasis Area Severity Index was significantly associated with lower risk of surgery (HR, 0.88; P < .002) The use of biologics had no significant impact on MSK surgery, the researchers noted.

The high percentage of joint sacrificing surgeries suggests a high burden of MSK surgery in patients with PsA, the researchers wrote in their discussion. The current study supports findings from previous studies and highlights the potential limitations and need for improvement in the current medical treatment paradigm for PsA, they said.

The findings were limited by several factors, including the potential for referral bias of complex cases to the center, which might have caused overestimation of the number of surgeries. The similarity in surgeries specifically related to PsA and degenerative arthritis also makes overestimation of surgeries possible, the researchers noted.

However, the study is one of the largest known to evaluate the prevalence of risk factors for MSK surgery in PsA patients over a long period of time, and identified surgeries directly attributable to PsA, they said. The study ended prior to the onset of the COVID-19 pandemic, which increased the external validity of the findings, they added.

The study was supported by the Krembil Foundation. The researchers had no financial conflicts to disclose.

Among adults with psoriatic arthritis (PsA), 11.8% required at least one musculoskeletal surgery related to their disease, based on data from more than 1,500 individuals at the University of Toronto’s Psoriatic Arthritis Clinic.

“Despite optimal medical therapy to control systemic inflammation and preserve joint function, a subset of patients with PsA still require musculoskeletal (MSK) surgery for disease-related morbidity,” but data on the prevalence of MSK surgeries and the associated risk factors are lacking, wrote Timothy S.H. Kwok, MD, of the University of Toronto, and colleagues.

In a study published in The Journal of Rheumatology, the researchers reviewed data from a longitudinal cohort of 1,574 adults aged 18 years and older with PsA established at the Toronto clinic during 1978-2019.

Overall, 185 patients had 379 MSK surgeries related to PsA during the study period for a prevalence of 11.8%.

The most common procedures were arthrodesis and arthroplasty (27% for both). More than half (59%) of the surgeries were joint sacrificing, and 41% were joint retaining, and 57 procedures were revisions related to the primary surgery.

Among 1,018 patients with data complete enough for a multivariate analysis, including 71 PsA surgeries, factors significantly associated with an increased risk for surgery were a higher number of damaged joints (hazard ratio [HR], 1.03; P < .001), tender or swollen joints (HR, 1.04; P = .01), and the presence of nail lesions (HR, 2.08; P < .01). Other predictors of surgery were higher scores on the Health Assessment Questionnaire (HR, 2.01; P < .001), elevated erythrocyte sedimentation rate (HR, 2.37; P = .02), and HLA-B27 positivity (HR, 2.22; P = .048).

However, a higher score on the Psoriasis Area Severity Index was significantly associated with lower risk of surgery (HR, 0.88; P < .002) The use of biologics had no significant impact on MSK surgery, the researchers noted.

The high percentage of joint sacrificing surgeries suggests a high burden of MSK surgery in patients with PsA, the researchers wrote in their discussion. The current study supports findings from previous studies and highlights the potential limitations and need for improvement in the current medical treatment paradigm for PsA, they said.

The findings were limited by several factors, including the potential for referral bias of complex cases to the center, which might have caused overestimation of the number of surgeries. The similarity in surgeries specifically related to PsA and degenerative arthritis also makes overestimation of surgeries possible, the researchers noted.

However, the study is one of the largest known to evaluate the prevalence of risk factors for MSK surgery in PsA patients over a long period of time, and identified surgeries directly attributable to PsA, they said. The study ended prior to the onset of the COVID-19 pandemic, which increased the external validity of the findings, they added.

The study was supported by the Krembil Foundation. The researchers had no financial conflicts to disclose.

Two novel molecules that act as tongue taste receptor agonists led to a reduction in fat-rich food intake and countered body weight gain in mice. The agents are believed to enhance the taste of fat and initiate the tongue-gut satiation loop.

Desire for dietary lipids has been traced to the taste receptors CD36 and GPR120, and these have been found to be malfunctioning in both obese animals and humans, leading to low perception of fat levels in food.

The study was published online in Cellular and Molecular Gastroenterology and Hepatology. “Ours is the first study on targeting fat taste receptors, leading to [the] activation of tongue-gut loop as a therapeutic approach, and it opens new vistas to synthesize more potent chemical compounds to decrease progressive weight gain under [high-fat diet] consumption,” the authors wrote.

The perception of fat has recently been identified as a potential sixth basic taste quality, joining sweet, sour, bitter, salt, and umami. CD36 is expressed by taste cells, where it senses dietary long-chain fatty acids (LCFAs), and its deletion led mice to ignore LCFAs and oily solutions that they would otherwise prefer. GPR120 has also been proposed as a lipid sensor.

Previous researchers had suggested that CD36 may play a role in the preference for eating fats, while GPR120 could have a role in lipid satiation following consumption. “Our team also supported these conclusions and proposed that CD36 might be involved in immediate early detection [of fat in foods], whereas GPR120 will be responsible for post-ingestive regulation of lipid food intake,” the authors wrote.

The researchers showed that lipids bind to CD36 when they are present in low concentrations, but at high concentrations they bind to GPR120, suggesting that the two receptors are nonoverlapping but nevertheless complement one another during fatty acid–mediated signaling with taste bud cells (TBC). They are also coexpressed within the same type of TBC.

Experiments in rodents suggest that obese animals have reduced capacity to sense dietary fatty acids, which drives consumption of greater amounts. Fat-rich diets can also reduce fat taste perception, and this has been shown cross-sectionally in obese human subjects, and a single nucleotide polymorphism in CD36 that leads to a reduction in expression is linked to reduced perception of dietary fatty acids.

To test the idea that altering the receptors could change behavior, the researchers synthesized two novel fat taste receptor agonists (FTAs) that are derived from the LCFA linoleic acid, which is abundant in Western diets.

Using nerve recordings, the researchers confirmed that a message from TBCs is sent to the brain via the chorda tympani nerve, and the two FTAs increased the nerve signal. The signals from LCFAs alone were boosted with the addition of the FTAs, suggesting that these molecules can be effective even in the presence of dietary lipids. They also confirmed that FTAs activate the tongue-brain-gut loop by increasing pancreato-bile secretion more than linoleic acid alone.

Given the choice between two bottles, mice preferred the one containing FTAs, and the experiments indicated that FTAs are 95-142 times more potent than natural LCFA as food attractants.

It is well known that diet and lifestyle interventions rarely result in long-term weight loss, and products designed to mimic ‘fat-like’ texture – such as maltodextrin, inulin, and plant fibers – have had limited success because they do not have a fat-like taste and can lead to gastrointestinal side effects. Agonists of CD36 and GPR120 added to low- or noncaloric foods could boost their appeal and lead to earlier satiation.

Importantly, in obese mice, both TFAs led to decreased food intake as well as reduced weight gain and fat mass, without affecting lean mass. One of the agents also promoted a higher metabolic rate through increased energy expenditure.

The researchers also examined the agents’ effects on the microbiota of the obese mice, which contain high concentrations of bacteria belonging to the Lachnospiraceae family. Both inhibitors reduced the numbers of Lachnospiraceae bacteria, and promoted other bacterial families that may contribute to an anti-inflammatory effect. Obese animals exposed to TFAs also showed improvements in dyslipidemia, and there was evidence that they could reduce liver lipid concentrations.

There was no evidence of any mutagenicity, genotoxicity, or endocrine disruption. In sum, these new agonists might enable the development of novel treatments of obesity, which would have a major impact on human health.

The authors stated that they have no financial conflicts of interest. The study received financial support from institutions including the Société d'Accélération du Transfert de Technologies and the University of Burgundy.

This article was updated 2/15/23. 

Two novel molecules that act as tongue taste receptor agonists led to a reduction in fat-rich food intake and countered body weight gain in mice. The agents are believed to enhance the taste of fat and initiate the tongue-gut satiation loop.

Desire for dietary lipids has been traced to the taste receptors CD36 and GPR120, and these have been found to be malfunctioning in both obese animals and humans, leading to low perception of fat levels in food.

The study was published online in Cellular and Molecular Gastroenterology and Hepatology. “Ours is the first study on targeting fat taste receptors, leading to [the] activation of tongue-gut loop as a therapeutic approach, and it opens new vistas to synthesize more potent chemical compounds to decrease progressive weight gain under [high-fat diet] consumption,” the authors wrote.

The perception of fat has recently been identified as a potential sixth basic taste quality, joining sweet, sour, bitter, salt, and umami. CD36 is expressed by taste cells, where it senses dietary long-chain fatty acids (LCFAs), and its deletion led mice to ignore LCFAs and oily solutions that they would otherwise prefer. GPR120 has also been proposed as a lipid sensor.

Previous researchers had suggested that CD36 may play a role in the preference for eating fats, while GPR120 could have a role in lipid satiation following consumption. “Our team also supported these conclusions and proposed that CD36 might be involved in immediate early detection [of fat in foods], whereas GPR120 will be responsible for post-ingestive regulation of lipid food intake,” the authors wrote.

The researchers showed that lipids bind to CD36 when they are present in low concentrations, but at high concentrations they bind to GPR120, suggesting that the two receptors are nonoverlapping but nevertheless complement one another during fatty acid–mediated signaling with taste bud cells (TBC). They are also coexpressed within the same type of TBC.

Experiments in rodents suggest that obese animals have reduced capacity to sense dietary fatty acids, which drives consumption of greater amounts. Fat-rich diets can also reduce fat taste perception, and this has been shown cross-sectionally in obese human subjects, and a single nucleotide polymorphism in CD36 that leads to a reduction in expression is linked to reduced perception of dietary fatty acids.

To test the idea that altering the receptors could change behavior, the researchers synthesized two novel fat taste receptor agonists (FTAs) that are derived from the LCFA linoleic acid, which is abundant in Western diets.

Using nerve recordings, the researchers confirmed that a message from TBCs is sent to the brain via the chorda tympani nerve, and the two FTAs increased the nerve signal. The signals from LCFAs alone were boosted with the addition of the FTAs, suggesting that these molecules can be effective even in the presence of dietary lipids. They also confirmed that FTAs activate the tongue-brain-gut loop by increasing pancreato-bile secretion more than linoleic acid alone.

Given the choice between two bottles, mice preferred the one containing FTAs, and the experiments indicated that FTAs are 95-142 times more potent than natural LCFA as food attractants.

It is well known that diet and lifestyle interventions rarely result in long-term weight loss, and products designed to mimic ‘fat-like’ texture – such as maltodextrin, inulin, and plant fibers – have had limited success because they do not have a fat-like taste and can lead to gastrointestinal side effects. Agonists of CD36 and GPR120 added to low- or noncaloric foods could boost their appeal and lead to earlier satiation.

Importantly, in obese mice, both TFAs led to decreased food intake as well as reduced weight gain and fat mass, without affecting lean mass. One of the agents also promoted a higher metabolic rate through increased energy expenditure.

The researchers also examined the agents’ effects on the microbiota of the obese mice, which contain high concentrations of bacteria belonging to the Lachnospiraceae family. Both inhibitors reduced the numbers of Lachnospiraceae bacteria, and promoted other bacterial families that may contribute to an anti-inflammatory effect. Obese animals exposed to TFAs also showed improvements in dyslipidemia, and there was evidence that they could reduce liver lipid concentrations.

There was no evidence of any mutagenicity, genotoxicity, or endocrine disruption. In sum, these new agonists might enable the development of novel treatments of obesity, which would have a major impact on human health.

The authors stated that they have no financial conflicts of interest. The study received financial support from institutions including the Société d'Accélération du Transfert de Technologies and the University of Burgundy.

This article was updated 2/15/23. 

Two novel molecules that act as tongue taste receptor agonists led to a reduction in fat-rich food intake and countered body weight gain in mice. The agents are believed to enhance the taste of fat and initiate the tongue-gut satiation loop.

Desire for dietary lipids has been traced to the taste receptors CD36 and GPR120, and these have been found to be malfunctioning in both obese animals and humans, leading to low perception of fat levels in food.

The study was published online in Cellular and Molecular Gastroenterology and Hepatology. “Ours is the first study on targeting fat taste receptors, leading to [the] activation of tongue-gut loop as a therapeutic approach, and it opens new vistas to synthesize more potent chemical compounds to decrease progressive weight gain under [high-fat diet] consumption,” the authors wrote.

The perception of fat has recently been identified as a potential sixth basic taste quality, joining sweet, sour, bitter, salt, and umami. CD36 is expressed by taste cells, where it senses dietary long-chain fatty acids (LCFAs), and its deletion led mice to ignore LCFAs and oily solutions that they would otherwise prefer. GPR120 has also been proposed as a lipid sensor.

Previous researchers had suggested that CD36 may play a role in the preference for eating fats, while GPR120 could have a role in lipid satiation following consumption. “Our team also supported these conclusions and proposed that CD36 might be involved in immediate early detection [of fat in foods], whereas GPR120 will be responsible for post-ingestive regulation of lipid food intake,” the authors wrote.

The researchers showed that lipids bind to CD36 when they are present in low concentrations, but at high concentrations they bind to GPR120, suggesting that the two receptors are nonoverlapping but nevertheless complement one another during fatty acid–mediated signaling with taste bud cells (TBC). They are also coexpressed within the same type of TBC.

Experiments in rodents suggest that obese animals have reduced capacity to sense dietary fatty acids, which drives consumption of greater amounts. Fat-rich diets can also reduce fat taste perception, and this has been shown cross-sectionally in obese human subjects, and a single nucleotide polymorphism in CD36 that leads to a reduction in expression is linked to reduced perception of dietary fatty acids.

To test the idea that altering the receptors could change behavior, the researchers synthesized two novel fat taste receptor agonists (FTAs) that are derived from the LCFA linoleic acid, which is abundant in Western diets.

Using nerve recordings, the researchers confirmed that a message from TBCs is sent to the brain via the chorda tympani nerve, and the two FTAs increased the nerve signal. The signals from LCFAs alone were boosted with the addition of the FTAs, suggesting that these molecules can be effective even in the presence of dietary lipids. They also confirmed that FTAs activate the tongue-brain-gut loop by increasing pancreato-bile secretion more than linoleic acid alone.

Given the choice between two bottles, mice preferred the one containing FTAs, and the experiments indicated that FTAs are 95-142 times more potent than natural LCFA as food attractants.

It is well known that diet and lifestyle interventions rarely result in long-term weight loss, and products designed to mimic ‘fat-like’ texture – such as maltodextrin, inulin, and plant fibers – have had limited success because they do not have a fat-like taste and can lead to gastrointestinal side effects. Agonists of CD36 and GPR120 added to low- or noncaloric foods could boost their appeal and lead to earlier satiation.

Importantly, in obese mice, both TFAs led to decreased food intake as well as reduced weight gain and fat mass, without affecting lean mass. One of the agents also promoted a higher metabolic rate through increased energy expenditure.

The researchers also examined the agents’ effects on the microbiota of the obese mice, which contain high concentrations of bacteria belonging to the Lachnospiraceae family. Both inhibitors reduced the numbers of Lachnospiraceae bacteria, and promoted other bacterial families that may contribute to an anti-inflammatory effect. Obese animals exposed to TFAs also showed improvements in dyslipidemia, and there was evidence that they could reduce liver lipid concentrations.

There was no evidence of any mutagenicity, genotoxicity, or endocrine disruption. In sum, these new agonists might enable the development of novel treatments of obesity, which would have a major impact on human health.

The authors stated that they have no financial conflicts of interest. The study received financial support from institutions including the Société d'Accélération du Transfert de Technologies and the University of Burgundy.

This article was updated 2/15/23. 

Atopic dermatitis (AD) is one of the most common chronic, inflammatory skin diseases encountered by dermatologists. AD is characterized by pruritus and a chronic course of exacerbations and remissions. AD is thought to involve the interplay of genetic predisposition, immune dysregulation, and environmental factors. It is also associated with other allergic conditions, including asthma. 

Although AD typically presents with pruritus as the hallmark symptom in all patients, the appearance of skin lesions may vary among different skin types. In individuals with light-colored skin, AD often appears as erythematous patches and plaques. It also more commonly affects the flexor surfaces of the skin. In individuals with darker skin tones, AD may more often result in follicularly centered papules, lichenification, and pigmentary changes. Lesions may also present on extensor surfaces rather than the typical flexure surfaces. Erythema in darker skin types may appear reddish-brown, have a violaceous hue, or be an ashen gray or darker brown color rather than bright red. Because erythema is more difficult to detect in darker skin types, clinicians may mistakenly minimize the severity of AD. 

Clinical severity may also differ between ethnicities. Black patients have an increased tendency toward hyperlinearity of the palms, periorbital dark circles, Dennie-Morgan lines, and diffuse xerosis. Compared with White patients, Black patients with AD are also more likely to develop prurigo nodularis and lichenification. In contrast, Asian patients with AD often experience psoriasiform features, with lesions having more well-defined borders and increased scaling and lichenification.

Beyond differences in clinical appearance, AD may appear molecularly and histologically distinct in ethnic skin. One study suggests that Black patients with AD may have decreased Th1 and Th17 but share similar upregulation of Th2 and Th22 as seen in White patients. Another study showed that Asian patients may have higher Th17 and Th22 and lower Th1/interferon compared with White patients. 

Regardless of skin type, treatment goals remain the same. Treatment goals aim to repair and improve the function of the skin barrier while preventing and managing flares. Clinical studies have shown that skincare regimens incorporating ceramide-containing moisturizers may improve AD by increasing the lipid content in the skin. This may offer clinical benefit in patients with skin of color. However, some treatments often used for AD may lead to other skin issues in skin in color. For example, long-term use of topical steroids may worsen hypopigmentation in darker skin types. Management strategies should take into account the unique clinical and genetic features of AD among different patient demographic groups. 

William D. James, MD, Professor, Department of Dermatology, University of Pennsylvania, Philadelphia.

Disclosure: William D. James, MD, has disclosed the following relevant financial relationships:
Received income in an amount equal to or greater than $250 from: Elsevier.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

Atopic dermatitis (AD) is one of the most common chronic, inflammatory skin diseases encountered by dermatologists. AD is characterized by pruritus and a chronic course of exacerbations and remissions. AD is thought to involve the interplay of genetic predisposition, immune dysregulation, and environmental factors. It is also associated with other allergic conditions, including asthma. 

Although AD typically presents with pruritus as the hallmark symptom in all patients, the appearance of skin lesions may vary among different skin types. In individuals with light-colored skin, AD often appears as erythematous patches and plaques. It also more commonly affects the flexor surfaces of the skin. In individuals with darker skin tones, AD may more often result in follicularly centered papules, lichenification, and pigmentary changes. Lesions may also present on extensor surfaces rather than the typical flexure surfaces. Erythema in darker skin types may appear reddish-brown, have a violaceous hue, or be an ashen gray or darker brown color rather than bright red. Because erythema is more difficult to detect in darker skin types, clinicians may mistakenly minimize the severity of AD. 

Clinical severity may also differ between ethnicities. Black patients have an increased tendency toward hyperlinearity of the palms, periorbital dark circles, Dennie-Morgan lines, and diffuse xerosis. Compared with White patients, Black patients with AD are also more likely to develop prurigo nodularis and lichenification. In contrast, Asian patients with AD often experience psoriasiform features, with lesions having more well-defined borders and increased scaling and lichenification.

Beyond differences in clinical appearance, AD may appear molecularly and histologically distinct in ethnic skin. One study suggests that Black patients with AD may have decreased Th1 and Th17 but share similar upregulation of Th2 and Th22 as seen in White patients. Another study showed that Asian patients may have higher Th17 and Th22 and lower Th1/interferon compared with White patients. 

Regardless of skin type, treatment goals remain the same. Treatment goals aim to repair and improve the function of the skin barrier while preventing and managing flares. Clinical studies have shown that skincare regimens incorporating ceramide-containing moisturizers may improve AD by increasing the lipid content in the skin. This may offer clinical benefit in patients with skin of color. However, some treatments often used for AD may lead to other skin issues in skin in color. For example, long-term use of topical steroids may worsen hypopigmentation in darker skin types. Management strategies should take into account the unique clinical and genetic features of AD among different patient demographic groups. 

William D. James, MD, Professor, Department of Dermatology, University of Pennsylvania, Philadelphia.

Disclosure: William D. James, MD, has disclosed the following relevant financial relationships:
Received income in an amount equal to or greater than $250 from: Elsevier.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

Atopic dermatitis (AD) is one of the most common chronic, inflammatory skin diseases encountered by dermatologists. AD is characterized by pruritus and a chronic course of exacerbations and remissions. AD is thought to involve the interplay of genetic predisposition, immune dysregulation, and environmental factors. It is also associated with other allergic conditions, including asthma. 

Although AD typically presents with pruritus as the hallmark symptom in all patients, the appearance of skin lesions may vary among different skin types. In individuals with light-colored skin, AD often appears as erythematous patches and plaques. It also more commonly affects the flexor surfaces of the skin. In individuals with darker skin tones, AD may more often result in follicularly centered papules, lichenification, and pigmentary changes. Lesions may also present on extensor surfaces rather than the typical flexure surfaces. Erythema in darker skin types may appear reddish-brown, have a violaceous hue, or be an ashen gray or darker brown color rather than bright red. Because erythema is more difficult to detect in darker skin types, clinicians may mistakenly minimize the severity of AD. 

Clinical severity may also differ between ethnicities. Black patients have an increased tendency toward hyperlinearity of the palms, periorbital dark circles, Dennie-Morgan lines, and diffuse xerosis. Compared with White patients, Black patients with AD are also more likely to develop prurigo nodularis and lichenification. In contrast, Asian patients with AD often experience psoriasiform features, with lesions having more well-defined borders and increased scaling and lichenification.

Beyond differences in clinical appearance, AD may appear molecularly and histologically distinct in ethnic skin. One study suggests that Black patients with AD may have decreased Th1 and Th17 but share similar upregulation of Th2 and Th22 as seen in White patients. Another study showed that Asian patients may have higher Th17 and Th22 and lower Th1/interferon compared with White patients. 

Regardless of skin type, treatment goals remain the same. Treatment goals aim to repair and improve the function of the skin barrier while preventing and managing flares. Clinical studies have shown that skincare regimens incorporating ceramide-containing moisturizers may improve AD by increasing the lipid content in the skin. This may offer clinical benefit in patients with skin of color. However, some treatments often used for AD may lead to other skin issues in skin in color. For example, long-term use of topical steroids may worsen hypopigmentation in darker skin types. Management strategies should take into account the unique clinical and genetic features of AD among different patient demographic groups. 

William D. James, MD, Professor, Department of Dermatology, University of Pennsylvania, Philadelphia.

Disclosure: William D. James, MD, has disclosed the following relevant financial relationships:
Received income in an amount equal to or greater than $250 from: Elsevier.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

HEGENBERGER RETRACTOR:  IS IT HELPFUL FOR PERINEAL REPAIR? 

The Hegenberger Retractor, manufactured by Hegenberger Medical (Abingdon, United Kingdom) is available for purchase in the United States through Rocket Medical. A video that I find particularly useful for explaining its use is available here: https://www.youtube.com /watch?v=p-jilXgXZLY

Background. About 85% of women having a vaginal birth experience some form of perineal trauma, and 60% to 70% receive stitches for those spontaneous tears or intentional incisions. As such, repairing perineal lacerations is a requisite skill for all obstetricians and midwives, and every provider has developed exposure techniques to perform their suturing with the goals of good tissue re-approximation, efficiency, minimized patient discomfort, reduced blood loss, and safety from needle sticks. For several millennia, the most commonly used tissue retractor for these repairs has been one’s own fingers, or those of a colleague. While cost-effective and readily available, fingers do have drawbacks as a vaginal retractor. First, their use as a retractor precludes their use for other tasks. Second, their frequent need to be inserted and replaced (see drawback #1) can be uncomfortable for patients. Third, their limited surface area is often insufficient to appropriately provide adequate tissue retraction for optimal surgical site visualization. Finally, they get tired and typically do not appreciate being stuck with needles. Given all this, it is surprising that so many centuries have passed with so little innovation for this ubiquitous procedure. Fortunately, Danish midwife Malene Hegenberger thought now was a good time to change the status quo.

Design/Functionality. The Hegenberger Retractor is brilliant in its simplicity. Its unique molded plastic design is smooth, ergonomic, nonconductive, and packaged as a single-use sterile device. Amazingly, it has a near-perfect pliability balance, making it simultaneously easy to compress for insertion while providing enough retraction tension for good visualization once it has been reexpanded. The subtle ridges on the compression points are just enough to allow for a good grip, and the notches on the sides are a convenient addition for holding extra suture if needed. The device has been cleared by the US Food and Drug Administration (FDA) as a Class 1 device and is approved for sale in the United States. In my experience with its use, I thought it was easy to place and provided excellent exposure for the repairs I was doing. In fact, I thought it provided as good if not better exposure than what I would expect from a Gelpi retractor without any of the trauma the Gelpi adds with its pointed ends. Smile emoji!

Innovation. In the early 1800s, French midwifery pioneer Marie Boivin introduced a novel pelvimeter and a revolutionary 2-part speculum to the technology of the day. Why it took more than 200 years for the ideas of another cutting-edge midwife to breach the walls of the obstetric technological establishment remains a mystery, but fortunately it has been done. While seemingly obvious, the Hegenberger Retractor is the culmination of years of work and 88 prototypes. It looks simple, but the secret to its functionality is the precision with which each dimension and every curve was designed. The device has been cleared by the FDA as a Class 1 device and is approved for sale in the United States. 

Summary. There are a lot of reasons to like the Hegenberger Retractor. I like it for its simplicity; I like it for its functionality; I like it for its ability to fill a real need. On the downside, I do not like that it is a single-use plastic device, and I am not happy about adding cost to obstetric care. Most of all, I hate that I did not invent it. 

Is the Hegenberger Retractor going to be needed to repair every obstetric laceration? No. Will it provide perfect exposure to repair every obstetric laceration? Of course not. But it is an incredibly clever device that will be very helpful in many situations, and I suspect it will soon become a mainstay on most maternity units as it gains recognition.

FOR MORE INFORMATION, VISIT www.rocketmedical.com

HEGENBERGER RETRACTOR:  IS IT HELPFUL FOR PERINEAL REPAIR? 

The Hegenberger Retractor, manufactured by Hegenberger Medical (Abingdon, United Kingdom) is available for purchase in the United States through Rocket Medical. A video that I find particularly useful for explaining its use is available here: https://www.youtube.com /watch?v=p-jilXgXZLY

Background. About 85% of women having a vaginal birth experience some form of perineal trauma, and 60% to 70% receive stitches for those spontaneous tears or intentional incisions. As such, repairing perineal lacerations is a requisite skill for all obstetricians and midwives, and every provider has developed exposure techniques to perform their suturing with the goals of good tissue re-approximation, efficiency, minimized patient discomfort, reduced blood loss, and safety from needle sticks. For several millennia, the most commonly used tissue retractor for these repairs has been one’s own fingers, or those of a colleague. While cost-effective and readily available, fingers do have drawbacks as a vaginal retractor. First, their use as a retractor precludes their use for other tasks. Second, their frequent need to be inserted and replaced (see drawback #1) can be uncomfortable for patients. Third, their limited surface area is often insufficient to appropriately provide adequate tissue retraction for optimal surgical site visualization. Finally, they get tired and typically do not appreciate being stuck with needles. Given all this, it is surprising that so many centuries have passed with so little innovation for this ubiquitous procedure. Fortunately, Danish midwife Malene Hegenberger thought now was a good time to change the status quo.

Design/Functionality. The Hegenberger Retractor is brilliant in its simplicity. Its unique molded plastic design is smooth, ergonomic, nonconductive, and packaged as a single-use sterile device. Amazingly, it has a near-perfect pliability balance, making it simultaneously easy to compress for insertion while providing enough retraction tension for good visualization once it has been reexpanded. The subtle ridges on the compression points are just enough to allow for a good grip, and the notches on the sides are a convenient addition for holding extra suture if needed. The device has been cleared by the US Food and Drug Administration (FDA) as a Class 1 device and is approved for sale in the United States. In my experience with its use, I thought it was easy to place and provided excellent exposure for the repairs I was doing. In fact, I thought it provided as good if not better exposure than what I would expect from a Gelpi retractor without any of the trauma the Gelpi adds with its pointed ends. Smile emoji!

Innovation. In the early 1800s, French midwifery pioneer Marie Boivin introduced a novel pelvimeter and a revolutionary 2-part speculum to the technology of the day. Why it took more than 200 years for the ideas of another cutting-edge midwife to breach the walls of the obstetric technological establishment remains a mystery, but fortunately it has been done. While seemingly obvious, the Hegenberger Retractor is the culmination of years of work and 88 prototypes. It looks simple, but the secret to its functionality is the precision with which each dimension and every curve was designed. The device has been cleared by the FDA as a Class 1 device and is approved for sale in the United States. 

Summary. There are a lot of reasons to like the Hegenberger Retractor. I like it for its simplicity; I like it for its functionality; I like it for its ability to fill a real need. On the downside, I do not like that it is a single-use plastic device, and I am not happy about adding cost to obstetric care. Most of all, I hate that I did not invent it. 

Is the Hegenberger Retractor going to be needed to repair every obstetric laceration? No. Will it provide perfect exposure to repair every obstetric laceration? Of course not. But it is an incredibly clever device that will be very helpful in many situations, and I suspect it will soon become a mainstay on most maternity units as it gains recognition.

FOR MORE INFORMATION, VISIT www.rocketmedical.com

HEGENBERGER RETRACTOR:  IS IT HELPFUL FOR PERINEAL REPAIR? 

The Hegenberger Retractor, manufactured by Hegenberger Medical (Abingdon, United Kingdom) is available for purchase in the United States through Rocket Medical. A video that I find particularly useful for explaining its use is available here: https://www.youtube.com /watch?v=p-jilXgXZLY

Background. About 85% of women having a vaginal birth experience some form of perineal trauma, and 60% to 70% receive stitches for those spontaneous tears or intentional incisions. As such, repairing perineal lacerations is a requisite skill for all obstetricians and midwives, and every provider has developed exposure techniques to perform their suturing with the goals of good tissue re-approximation, efficiency, minimized patient discomfort, reduced blood loss, and safety from needle sticks. For several millennia, the most commonly used tissue retractor for these repairs has been one’s own fingers, or those of a colleague. While cost-effective and readily available, fingers do have drawbacks as a vaginal retractor. First, their use as a retractor precludes their use for other tasks. Second, their frequent need to be inserted and replaced (see drawback #1) can be uncomfortable for patients. Third, their limited surface area is often insufficient to appropriately provide adequate tissue retraction for optimal surgical site visualization. Finally, they get tired and typically do not appreciate being stuck with needles. Given all this, it is surprising that so many centuries have passed with so little innovation for this ubiquitous procedure. Fortunately, Danish midwife Malene Hegenberger thought now was a good time to change the status quo.

Design/Functionality. The Hegenberger Retractor is brilliant in its simplicity. Its unique molded plastic design is smooth, ergonomic, nonconductive, and packaged as a single-use sterile device. Amazingly, it has a near-perfect pliability balance, making it simultaneously easy to compress for insertion while providing enough retraction tension for good visualization once it has been reexpanded. The subtle ridges on the compression points are just enough to allow for a good grip, and the notches on the sides are a convenient addition for holding extra suture if needed. The device has been cleared by the US Food and Drug Administration (FDA) as a Class 1 device and is approved for sale in the United States. In my experience with its use, I thought it was easy to place and provided excellent exposure for the repairs I was doing. In fact, I thought it provided as good if not better exposure than what I would expect from a Gelpi retractor without any of the trauma the Gelpi adds with its pointed ends. Smile emoji!

Innovation. In the early 1800s, French midwifery pioneer Marie Boivin introduced a novel pelvimeter and a revolutionary 2-part speculum to the technology of the day. Why it took more than 200 years for the ideas of another cutting-edge midwife to breach the walls of the obstetric technological establishment remains a mystery, but fortunately it has been done. While seemingly obvious, the Hegenberger Retractor is the culmination of years of work and 88 prototypes. It looks simple, but the secret to its functionality is the precision with which each dimension and every curve was designed. The device has been cleared by the FDA as a Class 1 device and is approved for sale in the United States. 

Summary. There are a lot of reasons to like the Hegenberger Retractor. I like it for its simplicity; I like it for its functionality; I like it for its ability to fill a real need. On the downside, I do not like that it is a single-use plastic device, and I am not happy about adding cost to obstetric care. Most of all, I hate that I did not invent it. 

Is the Hegenberger Retractor going to be needed to repair every obstetric laceration? No. Will it provide perfect exposure to repair every obstetric laceration? Of course not. But it is an incredibly clever device that will be very helpful in many situations, and I suspect it will soon become a mainstay on most maternity units as it gains recognition.

FOR MORE INFORMATION, VISIT www.rocketmedical.com

Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes?

JAIMEY M. PAULI, MD (JUNE 2022)

Consider this, when it comes to treating chronic hypertension

I welcome the article by Dr. Jaimey Pauli, which focuses on initiating treatment for mild chronic hypertension in pregnancy to reach a goal blood pressure (BP) of <140/90 mm Hg to prevent adverse maternal and fetal outcomes.¹ I would like to offer 3 additional thoughts for your consideration. First, it is known that there is a physiological decrease in BP during the second trimester, which results in a normotensive presentation. Thus, it would be beneficial to see if pregnant women with high-normal BP levels before the third trimester be administered a lower dose of antihypertensives. However, there is also a concern that decreased maternal BP may compromise uteroplacental perfusion and fetal circulation, which also could be evaluated.²

Second, I would like to see how comorbidities affect the initiation of antihypertensives for mild chronic hypertension in pregnancy. Research incorporating pregnant women with borderline hypertension and comorbidities such as obesity, hyperlipidemia, and diabetes mellitus type 2 (DM) is likely to yield informative results. This is especially beneficial since, for example, chronic hypertension and DM are independent risk factors for adverse maternal and fetal outcomes; therefore, a mother with both these conditions may have additive effects on obstetric outcomes.³

Lastly, I would suggest you include a brief conversation about prepregnancy ways to manage women with chronic hypertension. Because many women who enter pregnancy with chronic hypertension have hypertension of unknown origin, it would be beneficial to optimize antihypertensive regimens before conception.⁴ Also, it should be further evaluated whether initiation of lifestyle modifications, such as weight reduction and the DASH diet before pregnancy, for women with chronic hypertension improves pregnancy outcomes.

Cassandra Maafoh, MD

Macon, Georgia

References

1. Pauli JM. Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes? OBG Manag. 2022;34:14-15.
2. Brown CM, Garovic VD. Drug treatment of hypertension in pregnancy. Drugs. 2014;74:283-296. https://doi.org/10.1007/s40265-014-0187-7.
3. Yanit KE, Snowden JM, Cheng YW, et al. The impact of chronic hypertension and pregestational diabetes on pregnancy outcomes. Am J Obstet Gynecol. 2012;207. https://doi. org/10.1016/j.ajog.2012.06.066.
4. Seely EW, Ecker J. Chronic hypertension in pregnancy. Circulation. 2014;129:1254-1261. https:// doi.org/10.1161/circulationaha.113.003904. 

2022 UPDATE ON FEMALE SEXUAL HEALTH

BARBARA LEVY, MD (AUGUST 2022)

Are these new and rare syndromes’ pathophysiological mechanisms related?

I read with great interest Dr. Barbara Levy’s UPDATE in the August 2022 issue on testosterone therapy for women with hypoactive sexual desire disorder (HSDD), as well as her comments on persistent genital arousal disorder/genito-pelvic dysesthesia (PGAD/GPD) that was recently so coined by the International Society for the Study of Women’s Sexual Health (ISSWSH) as a 2-component syndrome.¹ The new syndrome, explains Dr. Levy, presents with “the perception of genital arousal that is involuntary, unrelated to sexual desire, without any identified cause, not relieved with orgasm, and distressing to the patient (the PGAD component),” combined with “itching, burning, tingling, or pain” (the GPD component).

Although agreeing with ISSWSH that diagnosis and management require a multidisciplinary biopsychosocial approach, in her practical advice, Dr. Levy mentioned: “neuropathic signaling” with “aberrant sensory processing” as the syndrome’s possible main pathophysiology. Interestingly, there are 2 other rare, chronic, and “poorly recognized source(s) of major distress to a small but significant group of patients.” Persistent idiopathic oro-facial pain (PIFP) disorder² after dental interventions and burning mouth syndrome (BMS),³ defined by the absence of any local or systemic contributing etiology, also present with continuous local burning and pain (as in GPD). Consequently, PGAD/GPD may indeed have the same pathophysiological explanation—as Dr. Levy suggested—of being a (genital) peripheral chronic neuropathic pain condition.

A potentially promising new therapeutic approach for PGAD/GPD would then be to use the same, or similar, antineuropathic medications (Clonazepam, Nortriptyline, Pregabalin, etc.) in the form of topical vaginal swishing solutions similar to the presently recommended antiepileptic and/or antidepressant oral swishing treatment for PIFP and BMS. As the topical approach works well for oral neuropathic pain, vaginal swishing could potentially be the answer for PGAD/GPD peripheral neuropathic pain. Moreover, such a novel topical approach would significantly increase patient motivation for treatment by avoiding the adverse effects of ingested antiepileptic or antidepressant drugs.

This is the first time that anticonvulsant and/or antidepressant vaginal swishing is proposed as topical therapy for GPD peripheral neuropathic pain, still pending scientific/clinical validation. ●

Zwi Hoch, MD

Newton, Massachusetts

1. Goldstein I, Komisaruk BR, Pukall CF, et al. International Society for the Study of Women’s Sexual Health (ISSWSH) Review of Epidemiology and Pathophysiology, and a Consensus Nomenclature and Process of Care for the Management of Persistent Genital Arousal Disorder/Genito-Pelvic Dysesthesia (PGAD/GPD). J Sex Med. 2021;18:665-697.
2. Baad-Hansen L, Benoliel R. Neuropathic orofacial pain: facts and fiction. Cephalgia. 2017;37:670-679.
3. Kuten-Shorer M, Treister NS, Stock S, et al. Safety and tolerability of topical clonazepam solution for management of oral dysesthesia. Oral Surg Oral Med Oral Pathol Oral Radiol. 2017;124: 146-151. 

Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes?

JAIMEY M. PAULI, MD (JUNE 2022)

Consider this, when it comes to treating chronic hypertension

I welcome the article by Dr. Jaimey Pauli, which focuses on initiating treatment for mild chronic hypertension in pregnancy to reach a goal blood pressure (BP) of <140/90 mm Hg to prevent adverse maternal and fetal outcomes.¹ I would like to offer 3 additional thoughts for your consideration. First, it is known that there is a physiological decrease in BP during the second trimester, which results in a normotensive presentation. Thus, it would be beneficial to see if pregnant women with high-normal BP levels before the third trimester be administered a lower dose of antihypertensives. However, there is also a concern that decreased maternal BP may compromise uteroplacental perfusion and fetal circulation, which also could be evaluated.²

Second, I would like to see how comorbidities affect the initiation of antihypertensives for mild chronic hypertension in pregnancy. Research incorporating pregnant women with borderline hypertension and comorbidities such as obesity, hyperlipidemia, and diabetes mellitus type 2 (DM) is likely to yield informative results. This is especially beneficial since, for example, chronic hypertension and DM are independent risk factors for adverse maternal and fetal outcomes; therefore, a mother with both these conditions may have additive effects on obstetric outcomes.³

Lastly, I would suggest you include a brief conversation about prepregnancy ways to manage women with chronic hypertension. Because many women who enter pregnancy with chronic hypertension have hypertension of unknown origin, it would be beneficial to optimize antihypertensive regimens before conception.⁴ Also, it should be further evaluated whether initiation of lifestyle modifications, such as weight reduction and the DASH diet before pregnancy, for women with chronic hypertension improves pregnancy outcomes.

Cassandra Maafoh, MD

Macon, Georgia

References

1. Pauli JM. Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes? OBG Manag. 2022;34:14-15.
2. Brown CM, Garovic VD. Drug treatment of hypertension in pregnancy. Drugs. 2014;74:283-296. https://doi.org/10.1007/s40265-014-0187-7.
3. Yanit KE, Snowden JM, Cheng YW, et al. The impact of chronic hypertension and pregestational diabetes on pregnancy outcomes. Am J Obstet Gynecol. 2012;207. https://doi. org/10.1016/j.ajog.2012.06.066.
4. Seely EW, Ecker J. Chronic hypertension in pregnancy. Circulation. 2014;129:1254-1261. https:// doi.org/10.1161/circulationaha.113.003904. 

2022 UPDATE ON FEMALE SEXUAL HEALTH

BARBARA LEVY, MD (AUGUST 2022)

Are these new and rare syndromes’ pathophysiological mechanisms related?

I read with great interest Dr. Barbara Levy’s UPDATE in the August 2022 issue on testosterone therapy for women with hypoactive sexual desire disorder (HSDD), as well as her comments on persistent genital arousal disorder/genito-pelvic dysesthesia (PGAD/GPD) that was recently so coined by the International Society for the Study of Women’s Sexual Health (ISSWSH) as a 2-component syndrome.¹ The new syndrome, explains Dr. Levy, presents with “the perception of genital arousal that is involuntary, unrelated to sexual desire, without any identified cause, not relieved with orgasm, and distressing to the patient (the PGAD component),” combined with “itching, burning, tingling, or pain” (the GPD component).

Although agreeing with ISSWSH that diagnosis and management require a multidisciplinary biopsychosocial approach, in her practical advice, Dr. Levy mentioned: “neuropathic signaling” with “aberrant sensory processing” as the syndrome’s possible main pathophysiology. Interestingly, there are 2 other rare, chronic, and “poorly recognized source(s) of major distress to a small but significant group of patients.” Persistent idiopathic oro-facial pain (PIFP) disorder² after dental interventions and burning mouth syndrome (BMS),³ defined by the absence of any local or systemic contributing etiology, also present with continuous local burning and pain (as in GPD). Consequently, PGAD/GPD may indeed have the same pathophysiological explanation—as Dr. Levy suggested—of being a (genital) peripheral chronic neuropathic pain condition.

A potentially promising new therapeutic approach for PGAD/GPD would then be to use the same, or similar, antineuropathic medications (Clonazepam, Nortriptyline, Pregabalin, etc.) in the form of topical vaginal swishing solutions similar to the presently recommended antiepileptic and/or antidepressant oral swishing treatment for PIFP and BMS. As the topical approach works well for oral neuropathic pain, vaginal swishing could potentially be the answer for PGAD/GPD peripheral neuropathic pain. Moreover, such a novel topical approach would significantly increase patient motivation for treatment by avoiding the adverse effects of ingested antiepileptic or antidepressant drugs.

This is the first time that anticonvulsant and/or antidepressant vaginal swishing is proposed as topical therapy for GPD peripheral neuropathic pain, still pending scientific/clinical validation. ●

Zwi Hoch, MD

Newton, Massachusetts

1. Goldstein I, Komisaruk BR, Pukall CF, et al. International Society for the Study of Women’s Sexual Health (ISSWSH) Review of Epidemiology and Pathophysiology, and a Consensus Nomenclature and Process of Care for the Management of Persistent Genital Arousal Disorder/Genito-Pelvic Dysesthesia (PGAD/GPD). J Sex Med. 2021;18:665-697.
2. Baad-Hansen L, Benoliel R. Neuropathic orofacial pain: facts and fiction. Cephalgia. 2017;37:670-679.
3. Kuten-Shorer M, Treister NS, Stock S, et al. Safety and tolerability of topical clonazepam solution for management of oral dysesthesia. Oral Surg Oral Med Oral Pathol Oral Radiol. 2017;124: 146-151. 

Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes?

JAIMEY M. PAULI, MD (JUNE 2022)

Consider this, when it comes to treating chronic hypertension

I welcome the article by Dr. Jaimey Pauli, which focuses on initiating treatment for mild chronic hypertension in pregnancy to reach a goal blood pressure (BP) of <140/90 mm Hg to prevent adverse maternal and fetal outcomes.¹ I would like to offer 3 additional thoughts for your consideration. First, it is known that there is a physiological decrease in BP during the second trimester, which results in a normotensive presentation. Thus, it would be beneficial to see if pregnant women with high-normal BP levels before the third trimester be administered a lower dose of antihypertensives. However, there is also a concern that decreased maternal BP may compromise uteroplacental perfusion and fetal circulation, which also could be evaluated.²

Second, I would like to see how comorbidities affect the initiation of antihypertensives for mild chronic hypertension in pregnancy. Research incorporating pregnant women with borderline hypertension and comorbidities such as obesity, hyperlipidemia, and diabetes mellitus type 2 (DM) is likely to yield informative results. This is especially beneficial since, for example, chronic hypertension and DM are independent risk factors for adverse maternal and fetal outcomes; therefore, a mother with both these conditions may have additive effects on obstetric outcomes.³

Lastly, I would suggest you include a brief conversation about prepregnancy ways to manage women with chronic hypertension. Because many women who enter pregnancy with chronic hypertension have hypertension of unknown origin, it would be beneficial to optimize antihypertensive regimens before conception.⁴ Also, it should be further evaluated whether initiation of lifestyle modifications, such as weight reduction and the DASH diet before pregnancy, for women with chronic hypertension improves pregnancy outcomes.

Cassandra Maafoh, MD

Macon, Georgia

References

1. Pauli JM. Should treatment be initiated for mild chronic hypertension in pregnancy to improve outcomes? OBG Manag. 2022;34:14-15.
2. Brown CM, Garovic VD. Drug treatment of hypertension in pregnancy. Drugs. 2014;74:283-296. https://doi.org/10.1007/s40265-014-0187-7.
3. Yanit KE, Snowden JM, Cheng YW, et al. The impact of chronic hypertension and pregestational diabetes on pregnancy outcomes. Am J Obstet Gynecol. 2012;207. https://doi. org/10.1016/j.ajog.2012.06.066.
4. Seely EW, Ecker J. Chronic hypertension in pregnancy. Circulation. 2014;129:1254-1261. https:// doi.org/10.1161/circulationaha.113.003904. 

2022 UPDATE ON FEMALE SEXUAL HEALTH

BARBARA LEVY, MD (AUGUST 2022)

Are these new and rare syndromes’ pathophysiological mechanisms related?

I read with great interest Dr. Barbara Levy’s UPDATE in the August 2022 issue on testosterone therapy for women with hypoactive sexual desire disorder (HSDD), as well as her comments on persistent genital arousal disorder/genito-pelvic dysesthesia (PGAD/GPD) that was recently so coined by the International Society for the Study of Women’s Sexual Health (ISSWSH) as a 2-component syndrome.¹ The new syndrome, explains Dr. Levy, presents with “the perception of genital arousal that is involuntary, unrelated to sexual desire, without any identified cause, not relieved with orgasm, and distressing to the patient (the PGAD component),” combined with “itching, burning, tingling, or pain” (the GPD component).

Although agreeing with ISSWSH that diagnosis and management require a multidisciplinary biopsychosocial approach, in her practical advice, Dr. Levy mentioned: “neuropathic signaling” with “aberrant sensory processing” as the syndrome’s possible main pathophysiology. Interestingly, there are 2 other rare, chronic, and “poorly recognized source(s) of major distress to a small but significant group of patients.” Persistent idiopathic oro-facial pain (PIFP) disorder² after dental interventions and burning mouth syndrome (BMS),³ defined by the absence of any local or systemic contributing etiology, also present with continuous local burning and pain (as in GPD). Consequently, PGAD/GPD may indeed have the same pathophysiological explanation—as Dr. Levy suggested—of being a (genital) peripheral chronic neuropathic pain condition.

A potentially promising new therapeutic approach for PGAD/GPD would then be to use the same, or similar, antineuropathic medications (Clonazepam, Nortriptyline, Pregabalin, etc.) in the form of topical vaginal swishing solutions similar to the presently recommended antiepileptic and/or antidepressant oral swishing treatment for PIFP and BMS. As the topical approach works well for oral neuropathic pain, vaginal swishing could potentially be the answer for PGAD/GPD peripheral neuropathic pain. Moreover, such a novel topical approach would significantly increase patient motivation for treatment by avoiding the adverse effects of ingested antiepileptic or antidepressant drugs.

This is the first time that anticonvulsant and/or antidepressant vaginal swishing is proposed as topical therapy for GPD peripheral neuropathic pain, still pending scientific/clinical validation. ●

Zwi Hoch, MD

Newton, Massachusetts

1. Goldstein I, Komisaruk BR, Pukall CF, et al. International Society for the Study of Women’s Sexual Health (ISSWSH) Review of Epidemiology and Pathophysiology, and a Consensus Nomenclature and Process of Care for the Management of Persistent Genital Arousal Disorder/Genito-Pelvic Dysesthesia (PGAD/GPD). J Sex Med. 2021;18:665-697.
2. Baad-Hansen L, Benoliel R. Neuropathic orofacial pain: facts and fiction. Cephalgia. 2017;37:670-679.
3. Kuten-Shorer M, Treister NS, Stock S, et al. Safety and tolerability of topical clonazepam solution for management of oral dysesthesia. Oral Surg Oral Med Oral Pathol Oral Radiol. 2017;124: 146-151. 

As we enter into this new year, it is a good time to review the past few years of living through a pandemic and the impact this has had on the field of palliative care.

The health care system as a whole as well as palliative care teams, have been challenged by the ongoing COVID-19 pandemic.

According to the World Health Organization, “Palliative care is an approach that improves the quality of life of patients and their families who are facing the problems associated with life-threatening illness, by the prevention and relief of suffering through early identification, assessment and treatment of pain and other problems whether physical, psychosocial and spiritual.”¹ They identify a global need and recognize palliative care as a “human right to health and as a standard of care particularly for individuals living with a serious illness.¹ However, the WHO goes further to recognize palliative care as an essential part of the response team during crises and health emergencies like a pandemic, noting that a response team without palliative care is “medically deficient and ethically indefensible.”²

The need for palliative care in the United States is projected to grow significantly in the next decades.³ However, there has been insufficient staffing to meet these needs, even prior to the pandemic.⁴ The demand for palliative care reached further unprecedented levels during the pandemic as palliative care teams played an integral role and were well situated to support not only patients and families with COVID-19,⁵ but to also support the well-being of health care teams caring for COVID-19 patients.^6,7

A recent survey that was conducted by the Center to Advance Palliative Care among palliative care leadership captured the experiences of leading their teams through a pandemic. Below are the results of this survey, which highlighted important issues and developments to palliative care during the pandemic.⁶
 

Increasing need for palliative care

One of the main findings from the national survey of palliative care leaders corroborated that the demands for palliative care have increased significantly from 2020 through the pandemic.

As with many areas in the health care system, the pandemic has emphasized the strain and short staffing of the palliative care teams. In the survey, 61% of leaders reported that palliative care consults significantly increased from prepandemic levels. But only 26% of these leaders said they had the staffing support to meet these needs.
 

Value of palliative care

The value of palliative care along with understanding of the role of palliative care has been better recognized during the pandemic and has been evidenced by the increase in palliative care referrals from clinical providers, compared with prepandemic levels. In addition, data collected showed that earlier palliative care consultations reduced length of hospital stay, decreased ICU admissions, and improved patient, family, and provider satisfaction.

Well-being of the workforce

The pandemic has been a tremendously stressful time for the health care workforce that has undoubtedly led to burnout. A nationwide study of physicians,⁸ found that 61% of physicians experienced burnout. This is a significant increase from prepandemic levels with impacts on mental health (that is, anxiety, depression). This study did not include palliative care specialists, but the CAPC survey indicates a similar feeling of burnout. Because of this, some palliative care specialists have left the field altogether, or are leaving leadership positions because of burnout and exhaustion from the pandemic. This was featured as a concern among palliative care leaders, where 93% reported concern for the emotional well-being of the palliative care team.

Telehealth

A permanent operational change that has been well-utilized and implemented across multiple health care settings has been providing palliative care through telehealth. Prior to the pandemic, the baseline use of telehealth was less than 5% with the use now greater than 75% – a modality that is favored by both patients and clinicians. This has offered a broader scope of practice, reaching individuals who may have no other means, have limitations to accessing palliative care, or were in circumstances where patients required isolation during the pandemic. However, there are limitations to this platform, including in equity of access to devices and ease of use for those with limited exposure to technology.⁹

Barriers to implementation

Although the important role and value of palliative care has been well recognized, there have been barriers identified in a qualitative study of the integration of palliative care into COVID-19 action plans that are mentioned below.⁵

• Patients and families were identified as barriers to integration of palliative care if they were not open to palliative care referral, mainly because of misperceptions of palliative care as end-of-life care.
• Palliative care knowledge among providers was identified as another barrier to integration of palliative care. There are still misperceptions among providers that palliative care is end-of-life care and palliative care involvement is stigmatized as hastening death. In addition, some felt that COVID-19 was not a traditional “palliative diagnosis” thus were less likely to integrate palliative care into care plans.
• Lack of availability of a primary provider to conduct primary palliative care and lack of motivation “not to give up” were identified as other barriers. On the other hand, palliative care provider availability and accessibility to care teams affected the integration into COVID-19 care plans.
• COVID-19 itself was identified to be a barrier because of the uncertainty of illness trajectory and outcomes, which made it difficult for doctors to ascertain when to involve palliative care.
• Leadership and institution were important factors to consider in integration of palliative care into long-term care plans, which depended on leadership engagement and institutional culture.

Takeaways

The past few years have taught us a lot, but there is still much to learn. The COVID-19 pandemic has called attention to the challenges and barriers of health care delivery and has magnified the needs of the health care system including its infrastructure, preparedness, and staffing, including the field of palliative care. More work needs to be done, but leaders have taken steps to initiate national and international preparedness plans including the integration of palliative care, which has been identified as a vital role in any humanitarian crises.^10,11

Dr. Kang is a geriatrician and palliative care provider at the University of Washington, Seattle, in the division of geriatrics and gerontology. She has no conflicts related to the content of this article.

References

1. Palliative care. World Health Organization. Aug 5, 2020. https://www.who.int/news-room/fact-sheets/detail/palliative-care

2. World Health Organization. Integrating palliative care and symptom relief into the response to humanitarian emergencies and crises: A WHO guide. Geneva: World Health Organization, 2018. https://apps.who.int/iris/handle/10665/274565.

3. Hughes MT, Smith TJ. The growth of palliative care in the United States. Annual Review Public Health. 2014;35:459-75.

4. Pastrana T et al. The impact of COVID-19 on palliative care workers across the world: A qualitative analysis of responses to open-ended questions. Palliative and Supportive Care. 2021:1-6.

5. Wentlandt K et al. Identifying barriers and facilitators to palliative care integration in the management of hospitalized patients with COVID-19: A qualitative study. Palliat Med. 2022;36(6):945-54.

6. Rogers M et al. Palliative care leadership during the pandemic: Results from a recent survey. Center to Advance Palliative Care. 2022 Sept 8. https://www.capc.org/blog/palliative-care-leadership-during-the-pandemic-results-from-a-recent-survey

7. Fogelman P. Reflections form a palliative care program leader two years into the pandemic. Center to Advance Palliative Care. 2023 Jan 15. https://www.capc.org/blog/reflections-from-a-palliative-care-program-leader-two-years-into-the-pandemic

8. 2021 survey of America’s physicians Covid-19 impact edition: A year later. The Physicians Foundation. 2021.

9. Caraceni A et al. Telemedicine for outpatient palliative care during Covid-19 pandemics: A longitudinal study. BMJ Supportive & Palliative Care. 2022;0:1-7.

10. Bausewein C et al. National strategy for palliative care of severely ill and dying people and their relatives in pandemics (PallPan) in Germany – study protocol of a mixed-methods project. BMC Palliative Care. 2022;21(10).

11. Powell RA et al. Palliative care in humanitarian crises: Always something to offer. The Lancet. 2017;389(10078):1498-9.

As we enter into this new year, it is a good time to review the past few years of living through a pandemic and the impact this has had on the field of palliative care.

The health care system as a whole as well as palliative care teams, have been challenged by the ongoing COVID-19 pandemic.

According to the World Health Organization, “Palliative care is an approach that improves the quality of life of patients and their families who are facing the problems associated with life-threatening illness, by the prevention and relief of suffering through early identification, assessment and treatment of pain and other problems whether physical, psychosocial and spiritual.”¹ They identify a global need and recognize palliative care as a “human right to health and as a standard of care particularly for individuals living with a serious illness.¹ However, the WHO goes further to recognize palliative care as an essential part of the response team during crises and health emergencies like a pandemic, noting that a response team without palliative care is “medically deficient and ethically indefensible.”²

The need for palliative care in the United States is projected to grow significantly in the next decades.³ However, there has been insufficient staffing to meet these needs, even prior to the pandemic.⁴ The demand for palliative care reached further unprecedented levels during the pandemic as palliative care teams played an integral role and were well situated to support not only patients and families with COVID-19,⁵ but to also support the well-being of health care teams caring for COVID-19 patients.^6,7

A recent survey that was conducted by the Center to Advance Palliative Care among palliative care leadership captured the experiences of leading their teams through a pandemic. Below are the results of this survey, which highlighted important issues and developments to palliative care during the pandemic.⁶
 

Increasing need for palliative care

One of the main findings from the national survey of palliative care leaders corroborated that the demands for palliative care have increased significantly from 2020 through the pandemic.

As with many areas in the health care system, the pandemic has emphasized the strain and short staffing of the palliative care teams. In the survey, 61% of leaders reported that palliative care consults significantly increased from prepandemic levels. But only 26% of these leaders said they had the staffing support to meet these needs.
 

Value of palliative care

The value of palliative care along with understanding of the role of palliative care has been better recognized during the pandemic and has been evidenced by the increase in palliative care referrals from clinical providers, compared with prepandemic levels. In addition, data collected showed that earlier palliative care consultations reduced length of hospital stay, decreased ICU admissions, and improved patient, family, and provider satisfaction.

Well-being of the workforce

The pandemic has been a tremendously stressful time for the health care workforce that has undoubtedly led to burnout. A nationwide study of physicians,⁸ found that 61% of physicians experienced burnout. This is a significant increase from prepandemic levels with impacts on mental health (that is, anxiety, depression). This study did not include palliative care specialists, but the CAPC survey indicates a similar feeling of burnout. Because of this, some palliative care specialists have left the field altogether, or are leaving leadership positions because of burnout and exhaustion from the pandemic. This was featured as a concern among palliative care leaders, where 93% reported concern for the emotional well-being of the palliative care team.

Telehealth

A permanent operational change that has been well-utilized and implemented across multiple health care settings has been providing palliative care through telehealth. Prior to the pandemic, the baseline use of telehealth was less than 5% with the use now greater than 75% – a modality that is favored by both patients and clinicians. This has offered a broader scope of practice, reaching individuals who may have no other means, have limitations to accessing palliative care, or were in circumstances where patients required isolation during the pandemic. However, there are limitations to this platform, including in equity of access to devices and ease of use for those with limited exposure to technology.⁹

Barriers to implementation

Although the important role and value of palliative care has been well recognized, there have been barriers identified in a qualitative study of the integration of palliative care into COVID-19 action plans that are mentioned below.⁵

• Patients and families were identified as barriers to integration of palliative care if they were not open to palliative care referral, mainly because of misperceptions of palliative care as end-of-life care.
• Palliative care knowledge among providers was identified as another barrier to integration of palliative care. There are still misperceptions among providers that palliative care is end-of-life care and palliative care involvement is stigmatized as hastening death. In addition, some felt that COVID-19 was not a traditional “palliative diagnosis” thus were less likely to integrate palliative care into care plans.
• Lack of availability of a primary provider to conduct primary palliative care and lack of motivation “not to give up” were identified as other barriers. On the other hand, palliative care provider availability and accessibility to care teams affected the integration into COVID-19 care plans.
• COVID-19 itself was identified to be a barrier because of the uncertainty of illness trajectory and outcomes, which made it difficult for doctors to ascertain when to involve palliative care.
• Leadership and institution were important factors to consider in integration of palliative care into long-term care plans, which depended on leadership engagement and institutional culture.

Takeaways

The past few years have taught us a lot, but there is still much to learn. The COVID-19 pandemic has called attention to the challenges and barriers of health care delivery and has magnified the needs of the health care system including its infrastructure, preparedness, and staffing, including the field of palliative care. More work needs to be done, but leaders have taken steps to initiate national and international preparedness plans including the integration of palliative care, which has been identified as a vital role in any humanitarian crises.^10,11

Dr. Kang is a geriatrician and palliative care provider at the University of Washington, Seattle, in the division of geriatrics and gerontology. She has no conflicts related to the content of this article.

References

1. Palliative care. World Health Organization. Aug 5, 2020. https://www.who.int/news-room/fact-sheets/detail/palliative-care

2. World Health Organization. Integrating palliative care and symptom relief into the response to humanitarian emergencies and crises: A WHO guide. Geneva: World Health Organization, 2018. https://apps.who.int/iris/handle/10665/274565.

3. Hughes MT, Smith TJ. The growth of palliative care in the United States. Annual Review Public Health. 2014;35:459-75.

4. Pastrana T et al. The impact of COVID-19 on palliative care workers across the world: A qualitative analysis of responses to open-ended questions. Palliative and Supportive Care. 2021:1-6.

5. Wentlandt K et al. Identifying barriers and facilitators to palliative care integration in the management of hospitalized patients with COVID-19: A qualitative study. Palliat Med. 2022;36(6):945-54.

6. Rogers M et al. Palliative care leadership during the pandemic: Results from a recent survey. Center to Advance Palliative Care. 2022 Sept 8. https://www.capc.org/blog/palliative-care-leadership-during-the-pandemic-results-from-a-recent-survey

7. Fogelman P. Reflections form a palliative care program leader two years into the pandemic. Center to Advance Palliative Care. 2023 Jan 15. https://www.capc.org/blog/reflections-from-a-palliative-care-program-leader-two-years-into-the-pandemic

8. 2021 survey of America’s physicians Covid-19 impact edition: A year later. The Physicians Foundation. 2021.

9. Caraceni A et al. Telemedicine for outpatient palliative care during Covid-19 pandemics: A longitudinal study. BMJ Supportive & Palliative Care. 2022;0:1-7.

10. Bausewein C et al. National strategy for palliative care of severely ill and dying people and their relatives in pandemics (PallPan) in Germany – study protocol of a mixed-methods project. BMC Palliative Care. 2022;21(10).

11. Powell RA et al. Palliative care in humanitarian crises: Always something to offer. The Lancet. 2017;389(10078):1498-9.

As we enter into this new year, it is a good time to review the past few years of living through a pandemic and the impact this has had on the field of palliative care.

The health care system as a whole as well as palliative care teams, have been challenged by the ongoing COVID-19 pandemic.

According to the World Health Organization, “Palliative care is an approach that improves the quality of life of patients and their families who are facing the problems associated with life-threatening illness, by the prevention and relief of suffering through early identification, assessment and treatment of pain and other problems whether physical, psychosocial and spiritual.”¹ They identify a global need and recognize palliative care as a “human right to health and as a standard of care particularly for individuals living with a serious illness.¹ However, the WHO goes further to recognize palliative care as an essential part of the response team during crises and health emergencies like a pandemic, noting that a response team without palliative care is “medically deficient and ethically indefensible.”²

The need for palliative care in the United States is projected to grow significantly in the next decades.³ However, there has been insufficient staffing to meet these needs, even prior to the pandemic.⁴ The demand for palliative care reached further unprecedented levels during the pandemic as palliative care teams played an integral role and were well situated to support not only patients and families with COVID-19,⁵ but to also support the well-being of health care teams caring for COVID-19 patients.^6,7

A recent survey that was conducted by the Center to Advance Palliative Care among palliative care leadership captured the experiences of leading their teams through a pandemic. Below are the results of this survey, which highlighted important issues and developments to palliative care during the pandemic.⁶
 

Increasing need for palliative care

One of the main findings from the national survey of palliative care leaders corroborated that the demands for palliative care have increased significantly from 2020 through the pandemic.

As with many areas in the health care system, the pandemic has emphasized the strain and short staffing of the palliative care teams. In the survey, 61% of leaders reported that palliative care consults significantly increased from prepandemic levels. But only 26% of these leaders said they had the staffing support to meet these needs.
 

Value of palliative care

The value of palliative care along with understanding of the role of palliative care has been better recognized during the pandemic and has been evidenced by the increase in palliative care referrals from clinical providers, compared with prepandemic levels. In addition, data collected showed that earlier palliative care consultations reduced length of hospital stay, decreased ICU admissions, and improved patient, family, and provider satisfaction.

Well-being of the workforce

The pandemic has been a tremendously stressful time for the health care workforce that has undoubtedly led to burnout. A nationwide study of physicians,⁸ found that 61% of physicians experienced burnout. This is a significant increase from prepandemic levels with impacts on mental health (that is, anxiety, depression). This study did not include palliative care specialists, but the CAPC survey indicates a similar feeling of burnout. Because of this, some palliative care specialists have left the field altogether, or are leaving leadership positions because of burnout and exhaustion from the pandemic. This was featured as a concern among palliative care leaders, where 93% reported concern for the emotional well-being of the palliative care team.

Telehealth

A permanent operational change that has been well-utilized and implemented across multiple health care settings has been providing palliative care through telehealth. Prior to the pandemic, the baseline use of telehealth was less than 5% with the use now greater than 75% – a modality that is favored by both patients and clinicians. This has offered a broader scope of practice, reaching individuals who may have no other means, have limitations to accessing palliative care, or were in circumstances where patients required isolation during the pandemic. However, there are limitations to this platform, including in equity of access to devices and ease of use for those with limited exposure to technology.⁹

Barriers to implementation

Although the important role and value of palliative care has been well recognized, there have been barriers identified in a qualitative study of the integration of palliative care into COVID-19 action plans that are mentioned below.⁵

• Patients and families were identified as barriers to integration of palliative care if they were not open to palliative care referral, mainly because of misperceptions of palliative care as end-of-life care.
• Palliative care knowledge among providers was identified as another barrier to integration of palliative care. There are still misperceptions among providers that palliative care is end-of-life care and palliative care involvement is stigmatized as hastening death. In addition, some felt that COVID-19 was not a traditional “palliative diagnosis” thus were less likely to integrate palliative care into care plans.
• Lack of availability of a primary provider to conduct primary palliative care and lack of motivation “not to give up” were identified as other barriers. On the other hand, palliative care provider availability and accessibility to care teams affected the integration into COVID-19 care plans.
• COVID-19 itself was identified to be a barrier because of the uncertainty of illness trajectory and outcomes, which made it difficult for doctors to ascertain when to involve palliative care.
• Leadership and institution were important factors to consider in integration of palliative care into long-term care plans, which depended on leadership engagement and institutional culture.

Takeaways

The past few years have taught us a lot, but there is still much to learn. The COVID-19 pandemic has called attention to the challenges and barriers of health care delivery and has magnified the needs of the health care system including its infrastructure, preparedness, and staffing, including the field of palliative care. More work needs to be done, but leaders have taken steps to initiate national and international preparedness plans including the integration of palliative care, which has been identified as a vital role in any humanitarian crises.^10,11

Dr. Kang is a geriatrician and palliative care provider at the University of Washington, Seattle, in the division of geriatrics and gerontology. She has no conflicts related to the content of this article.

References

1. Palliative care. World Health Organization. Aug 5, 2020. https://www.who.int/news-room/fact-sheets/detail/palliative-care

2. World Health Organization. Integrating palliative care and symptom relief into the response to humanitarian emergencies and crises: A WHO guide. Geneva: World Health Organization, 2018. https://apps.who.int/iris/handle/10665/274565.

3. Hughes MT, Smith TJ. The growth of palliative care in the United States. Annual Review Public Health. 2014;35:459-75.

4. Pastrana T et al. The impact of COVID-19 on palliative care workers across the world: A qualitative analysis of responses to open-ended questions. Palliative and Supportive Care. 2021:1-6.

5. Wentlandt K et al. Identifying barriers and facilitators to palliative care integration in the management of hospitalized patients with COVID-19: A qualitative study. Palliat Med. 2022;36(6):945-54.

6. Rogers M et al. Palliative care leadership during the pandemic: Results from a recent survey. Center to Advance Palliative Care. 2022 Sept 8. https://www.capc.org/blog/palliative-care-leadership-during-the-pandemic-results-from-a-recent-survey

7. Fogelman P. Reflections form a palliative care program leader two years into the pandemic. Center to Advance Palliative Care. 2023 Jan 15. https://www.capc.org/blog/reflections-from-a-palliative-care-program-leader-two-years-into-the-pandemic

8. 2021 survey of America’s physicians Covid-19 impact edition: A year later. The Physicians Foundation. 2021.

9. Caraceni A et al. Telemedicine for outpatient palliative care during Covid-19 pandemics: A longitudinal study. BMJ Supportive & Palliative Care. 2022;0:1-7.

10. Bausewein C et al. National strategy for palliative care of severely ill and dying people and their relatives in pandemics (PallPan) in Germany – study protocol of a mixed-methods project. BMC Palliative Care. 2022;21(10).

11. Powell RA et al. Palliative care in humanitarian crises: Always something to offer. The Lancet. 2017;389(10078):1498-9.

Posoleucel, an investigational off-the-shelf T-cell therapy, showed promising safety and efficacy for eradicating multiple viruses in a phase 2 study of patients who previously underwent allogeneic stem cell transplant (allo-SCT).

Of 58 adult and pediatric patients with a total of 70 viral infections at the time of enrollment in the open-label trial, 55 (95%) had a treatment response within 6 weeks of infusion with posoleucel, and the amount of circulating virus was reduced by an average of 97%, Thomas Pfeiffer, MD, and colleagues reported.

In 12 patients who had more than one viral infection, 10 (83%) had a response against each of the viruses, researchers noted.

The responses were defined as a reduction of viral load to normal range with complete response, or as a viral load reduction of at least 50 percent or a partial response.

The findings were published online in Clinical Cancer Research.

Specifically, the treatment evoked responses to adenovirus in 83% of 12 affected patients, BK virus in all 27 affected patients, CMV in 96% of 24 affected patients, Epstein-Barr virus in both affected patients, and human herpes virus in 75% of 4 patients. Additionally, one patient with JC virus experienced initial stabilization of viral symptoms, although the symptoms ultimately progressed, and the patient died.

“The key finding is that 95% of patients whose infections had been refractory to conventional therapies responded to posoleucel with corresponding reductions in viral load and with limited rates of GvHD [graft-versus-host disease],” Dr. Pfeiffer, a pediatric cancer specialist at Washington University in St. Louis, explained in a prepared statement. “Overall, posoleucel was found to be very effective and had a favorable safety profile in a highly vulnerable patient population.”

“Another exciting observation from this study was that posoleucel could be administered within 24 hours in some cases, with symptom resolution in a matter of days in some patients,” added senior author Bilal Omer, MD, a pediatric hematologist-oncologist at Texas Children’s Hospital and Baylor College of Medicine, Houston. “It was quite impressive how quickly patients could be treated.”

Dr. Omer explained that currently available treatments for patients who develop viral infections after allo-SCT have numerous limitations, including toxicities such as myelosuppression or kidney injury and limited efficacy.

In this study, 13 patients (22% percent) reported acute GvHD, but only 4 of the cases were considered de novo cases; 9 patients had been diagnosed with GvHD prior to posoleucel treatment. The most common GvHD symptoms were skin flares, which were successfully treated in the majority of cases, Dr. Omer explained.

No patients experienced cytokine release syndrome.

“The ability to target six viruses with a single therapy would be beneficial for patients with multiple viral infections,” he said, adding that posoleucel is the first T-cell therapy in development for BK virus, which can cause severe bladder infections.

Posoleucel utilizes healthy donor T cells rather than the patient’s or transplant donor’s T cells, which circumvents the lengthy development process of more customized therapies and allows for earlier treatment of viral infections, he noted.

The investigators are currently evaluating posoleucel in randomized phase 3 clinical trials to confirm these findings.

This study was supported by the National Heart, Lung, and Blood Institute Production Assistance for Cellular Therapies; Conquer Cancer Foundation/American Society for Clinical Oncology; the Dan L. Duncan Comprehensive Cancer Center; and the National Institutes of Health.

Dr. Omer disclosed pending patent applications for engineered T-cell therapies unrelated to this study, and he has received research funding from AlloVir, which manufactures posoleucel. Dr. Pfeiffer declared no conflicts of interest.
 

Posoleucel, an investigational off-the-shelf T-cell therapy, showed promising safety and efficacy for eradicating multiple viruses in a phase 2 study of patients who previously underwent allogeneic stem cell transplant (allo-SCT).

Of 58 adult and pediatric patients with a total of 70 viral infections at the time of enrollment in the open-label trial, 55 (95%) had a treatment response within 6 weeks of infusion with posoleucel, and the amount of circulating virus was reduced by an average of 97%, Thomas Pfeiffer, MD, and colleagues reported.

In 12 patients who had more than one viral infection, 10 (83%) had a response against each of the viruses, researchers noted.

The responses were defined as a reduction of viral load to normal range with complete response, or as a viral load reduction of at least 50 percent or a partial response.

The findings were published online in Clinical Cancer Research.

Specifically, the treatment evoked responses to adenovirus in 83% of 12 affected patients, BK virus in all 27 affected patients, CMV in 96% of 24 affected patients, Epstein-Barr virus in both affected patients, and human herpes virus in 75% of 4 patients. Additionally, one patient with JC virus experienced initial stabilization of viral symptoms, although the symptoms ultimately progressed, and the patient died.

“The key finding is that 95% of patients whose infections had been refractory to conventional therapies responded to posoleucel with corresponding reductions in viral load and with limited rates of GvHD [graft-versus-host disease],” Dr. Pfeiffer, a pediatric cancer specialist at Washington University in St. Louis, explained in a prepared statement. “Overall, posoleucel was found to be very effective and had a favorable safety profile in a highly vulnerable patient population.”

“Another exciting observation from this study was that posoleucel could be administered within 24 hours in some cases, with symptom resolution in a matter of days in some patients,” added senior author Bilal Omer, MD, a pediatric hematologist-oncologist at Texas Children’s Hospital and Baylor College of Medicine, Houston. “It was quite impressive how quickly patients could be treated.”

Dr. Omer explained that currently available treatments for patients who develop viral infections after allo-SCT have numerous limitations, including toxicities such as myelosuppression or kidney injury and limited efficacy.

In this study, 13 patients (22% percent) reported acute GvHD, but only 4 of the cases were considered de novo cases; 9 patients had been diagnosed with GvHD prior to posoleucel treatment. The most common GvHD symptoms were skin flares, which were successfully treated in the majority of cases, Dr. Omer explained.

No patients experienced cytokine release syndrome.

“The ability to target six viruses with a single therapy would be beneficial for patients with multiple viral infections,” he said, adding that posoleucel is the first T-cell therapy in development for BK virus, which can cause severe bladder infections.

Posoleucel utilizes healthy donor T cells rather than the patient’s or transplant donor’s T cells, which circumvents the lengthy development process of more customized therapies and allows for earlier treatment of viral infections, he noted.

The investigators are currently evaluating posoleucel in randomized phase 3 clinical trials to confirm these findings.

This study was supported by the National Heart, Lung, and Blood Institute Production Assistance for Cellular Therapies; Conquer Cancer Foundation/American Society for Clinical Oncology; the Dan L. Duncan Comprehensive Cancer Center; and the National Institutes of Health.

Dr. Omer disclosed pending patent applications for engineered T-cell therapies unrelated to this study, and he has received research funding from AlloVir, which manufactures posoleucel. Dr. Pfeiffer declared no conflicts of interest.
 

Posoleucel, an investigational off-the-shelf T-cell therapy, showed promising safety and efficacy for eradicating multiple viruses in a phase 2 study of patients who previously underwent allogeneic stem cell transplant (allo-SCT).

Of 58 adult and pediatric patients with a total of 70 viral infections at the time of enrollment in the open-label trial, 55 (95%) had a treatment response within 6 weeks of infusion with posoleucel, and the amount of circulating virus was reduced by an average of 97%, Thomas Pfeiffer, MD, and colleagues reported.

In 12 patients who had more than one viral infection, 10 (83%) had a response against each of the viruses, researchers noted.

The responses were defined as a reduction of viral load to normal range with complete response, or as a viral load reduction of at least 50 percent or a partial response.

The findings were published online in Clinical Cancer Research.

Specifically, the treatment evoked responses to adenovirus in 83% of 12 affected patients, BK virus in all 27 affected patients, CMV in 96% of 24 affected patients, Epstein-Barr virus in both affected patients, and human herpes virus in 75% of 4 patients. Additionally, one patient with JC virus experienced initial stabilization of viral symptoms, although the symptoms ultimately progressed, and the patient died.

“The key finding is that 95% of patients whose infections had been refractory to conventional therapies responded to posoleucel with corresponding reductions in viral load and with limited rates of GvHD [graft-versus-host disease],” Dr. Pfeiffer, a pediatric cancer specialist at Washington University in St. Louis, explained in a prepared statement. “Overall, posoleucel was found to be very effective and had a favorable safety profile in a highly vulnerable patient population.”

“Another exciting observation from this study was that posoleucel could be administered within 24 hours in some cases, with symptom resolution in a matter of days in some patients,” added senior author Bilal Omer, MD, a pediatric hematologist-oncologist at Texas Children’s Hospital and Baylor College of Medicine, Houston. “It was quite impressive how quickly patients could be treated.”

Dr. Omer explained that currently available treatments for patients who develop viral infections after allo-SCT have numerous limitations, including toxicities such as myelosuppression or kidney injury and limited efficacy.

In this study, 13 patients (22% percent) reported acute GvHD, but only 4 of the cases were considered de novo cases; 9 patients had been diagnosed with GvHD prior to posoleucel treatment. The most common GvHD symptoms were skin flares, which were successfully treated in the majority of cases, Dr. Omer explained.

No patients experienced cytokine release syndrome.

“The ability to target six viruses with a single therapy would be beneficial for patients with multiple viral infections,” he said, adding that posoleucel is the first T-cell therapy in development for BK virus, which can cause severe bladder infections.

Posoleucel utilizes healthy donor T cells rather than the patient’s or transplant donor’s T cells, which circumvents the lengthy development process of more customized therapies and allows for earlier treatment of viral infections, he noted.

The investigators are currently evaluating posoleucel in randomized phase 3 clinical trials to confirm these findings.

This study was supported by the National Heart, Lung, and Blood Institute Production Assistance for Cellular Therapies; Conquer Cancer Foundation/American Society for Clinical Oncology; the Dan L. Duncan Comprehensive Cancer Center; and the National Institutes of Health.

Dr. Omer disclosed pending patent applications for engineered T-cell therapies unrelated to this study, and he has received research funding from AlloVir, which manufactures posoleucel. Dr. Pfeiffer declared no conflicts of interest.
 

Frequent visits to green spaces such as parks and community gardens are associated with a reduced use of certain prescription medications among city dwellers, a new analysis suggests.

In a cross-sectional cohort study, frequent green space visits were associated with less frequent use of psychotropic, antihypertensive, and asthma medications in urban environments.

Viewing green or so called “blue” spaces (views of lakes, rivers, or other water views) from the home was not associated with reduced medication use.

Flickr-Rickr [CC BY-SA 2.0](http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

Nature exposure a timely topic

Exposure to natural environments is thought to be beneficial for human health, but the evidence is inconsistent, Dr. Turunen said.

“The potential health benefits of nature exposure is a very timely topic in environmental epidemiology. Scientific evidence indicates that residential exposure to greenery and water bodies might be beneficial, especially for mental, cardiovascular, and respiratory health, but the findings are partly inconsistent and thus, more detailed information is needed,” she said.

In the current cross-sectional study, the investigators surveyed 16,000 residents of three urban areas in Finland – Helsinki, Espoo, and Vantaa – over the period of 12 months from 2015 to 2016, about their exposure to green and blue spaces.

Of this number, 43% responded, resulting in 7,321 participants.

In the questionnaire, green areas were defined as forests, parks, fields, meadows, boglands, and rocks, as well as any playgrounds or playing fields within those areas, and blue areas were defined as sea, lakes, and rivers. 

Residents were asked about their use of anxiolytics, hypnotics, antidepressants, antihypertensives, and asthma medication within the past 7 to 52 weeks.

They were also asked if they had any green and blue views from any of the windows of their home, and if so, how often did they look out of those windows, selecting “seldom” to “often.”

They were also asked about how much time they spent outdoors in green spaces during the months of May and September. If so, did they spend any of that time exercising? Options ranged from never to five or more times a week.

In addition, amounts of residential green and blue spaces located within a 1 km radius of the respondents’ homes were assessed from land use and land cover data.

Covariates included health behaviors, outdoor air pollution and noise, and socioeconomic status, including household income and educational attainment.

Results showed that the presence of green and blue spaces at home, and the amount of time spent viewing them, had no association with the use of the prescribed medicines.

However, greater frequency of green space visits was associated with lower odds of using the medications surveyed.

For psychotropic medications, the odds ratios were 0.67 (95% confidence interval, 0.55-0.82) for 3-4 times per week and 0.78 (95% CI, 0.63-0.96) for 5 or more times per week.

For antihypertensive meds, the ORs were 0.64 (95% CI, 0.52-0.78) for 3-4 times per week and 0.59 (95% CI, 0.48-0.74) for 5 or more times per week.

For asthma medications, the ORs were 0.74 (95% CI, 0.58-0.94) for 3-4 times per week and 0.76 (95% CI, 0.59-0.99) for 5 or more times per week.

The observed associations were attenuated by body mass index.

“We observed that those who reported visiting green spaces often had a slightly lower BMI than those who visited green spaces less often,” Dr. Turunen said. However, no consistent interactions with socioeconomic status indicators were observed.

“We are hoping to see new results from different countries and different settings,” she noted. “Longitudinal studies, especially, are needed. In epidemiology, a large body of consistent evidence is needed to draw strong conclusions and to make recommendations.”
 

Evidence mounts on the benefits of nature

There is growing evidence that exposure to nature could benefit human health, especially mental and cardiovascular health, says Jochem Klompmaker, PhD, a postdoctoral researcher in the department of environmental health at the Harvard T.H. Chan School of Public Health, Boston.

Dr. Klompmaker has researched the association between exposure to green spaces and health outcomes related to neurological diseases.

In a study recently published in JAMA Network Open, and reported by this news organization, Dr. Klompmaker and his team found that among a large cohort of about 6.7 million fee-for-service Medicare beneficiaries in the United States aged 65 or older, living in areas rich with greenery, parks, and waterways was associated with fewer hospitalizations for certain neurological disorders, including Parkinson’s disease, Alzheimer’s disease, and related dementias.

Commenting on the current study, Dr. Klompmaker noted its strengths.

“A particular strength of this study is that they used data about the amount of green and blue spaces around the residential addresses of the participants, data about green space visit frequency, and data about green and blue views from home. Most other studies only have data about the amount of green and blue spaces in general,” he said.

“The strong protective associations of frequency of green space visits make sense to me and indicate the importance of one’s actual nature exposure,” he added. “Like the results of our study, these results provide clinicians with more evidence of the importance of being close to nature and of encouraging patients to take more walks. If they live near a park, that could be a good place to be more physically active and reduce stress levels.”

The study was supported by the Academy of Finland and the Ministry of the Environment. Dr. Turunen and Dr. Klompmaker report no relevant financial relationships.

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

Frequent visits to green spaces such as parks and community gardens are associated with a reduced use of certain prescription medications among city dwellers, a new analysis suggests.

In a cross-sectional cohort study, frequent green space visits were associated with less frequent use of psychotropic, antihypertensive, and asthma medications in urban environments.

Viewing green or so called “blue” spaces (views of lakes, rivers, or other water views) from the home was not associated with reduced medication use.

Flickr-Rickr [CC BY-SA 2.0](http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

Nature exposure a timely topic

Exposure to natural environments is thought to be beneficial for human health, but the evidence is inconsistent, Dr. Turunen said.

“The potential health benefits of nature exposure is a very timely topic in environmental epidemiology. Scientific evidence indicates that residential exposure to greenery and water bodies might be beneficial, especially for mental, cardiovascular, and respiratory health, but the findings are partly inconsistent and thus, more detailed information is needed,” she said.

In the current cross-sectional study, the investigators surveyed 16,000 residents of three urban areas in Finland – Helsinki, Espoo, and Vantaa – over the period of 12 months from 2015 to 2016, about their exposure to green and blue spaces.

Of this number, 43% responded, resulting in 7,321 participants.

In the questionnaire, green areas were defined as forests, parks, fields, meadows, boglands, and rocks, as well as any playgrounds or playing fields within those areas, and blue areas were defined as sea, lakes, and rivers. 

Residents were asked about their use of anxiolytics, hypnotics, antidepressants, antihypertensives, and asthma medication within the past 7 to 52 weeks.

They were also asked if they had any green and blue views from any of the windows of their home, and if so, how often did they look out of those windows, selecting “seldom” to “often.”

They were also asked about how much time they spent outdoors in green spaces during the months of May and September. If so, did they spend any of that time exercising? Options ranged from never to five or more times a week.

In addition, amounts of residential green and blue spaces located within a 1 km radius of the respondents’ homes were assessed from land use and land cover data.

Covariates included health behaviors, outdoor air pollution and noise, and socioeconomic status, including household income and educational attainment.

Results showed that the presence of green and blue spaces at home, and the amount of time spent viewing them, had no association with the use of the prescribed medicines.

However, greater frequency of green space visits was associated with lower odds of using the medications surveyed.

For psychotropic medications, the odds ratios were 0.67 (95% confidence interval, 0.55-0.82) for 3-4 times per week and 0.78 (95% CI, 0.63-0.96) for 5 or more times per week.

For antihypertensive meds, the ORs were 0.64 (95% CI, 0.52-0.78) for 3-4 times per week and 0.59 (95% CI, 0.48-0.74) for 5 or more times per week.

For asthma medications, the ORs were 0.74 (95% CI, 0.58-0.94) for 3-4 times per week and 0.76 (95% CI, 0.59-0.99) for 5 or more times per week.

The observed associations were attenuated by body mass index.

“We observed that those who reported visiting green spaces often had a slightly lower BMI than those who visited green spaces less often,” Dr. Turunen said. However, no consistent interactions with socioeconomic status indicators were observed.

“We are hoping to see new results from different countries and different settings,” she noted. “Longitudinal studies, especially, are needed. In epidemiology, a large body of consistent evidence is needed to draw strong conclusions and to make recommendations.”
 

Evidence mounts on the benefits of nature

There is growing evidence that exposure to nature could benefit human health, especially mental and cardiovascular health, says Jochem Klompmaker, PhD, a postdoctoral researcher in the department of environmental health at the Harvard T.H. Chan School of Public Health, Boston.

Dr. Klompmaker has researched the association between exposure to green spaces and health outcomes related to neurological diseases.

In a study recently published in JAMA Network Open, and reported by this news organization, Dr. Klompmaker and his team found that among a large cohort of about 6.7 million fee-for-service Medicare beneficiaries in the United States aged 65 or older, living in areas rich with greenery, parks, and waterways was associated with fewer hospitalizations for certain neurological disorders, including Parkinson’s disease, Alzheimer’s disease, and related dementias.

Commenting on the current study, Dr. Klompmaker noted its strengths.

“A particular strength of this study is that they used data about the amount of green and blue spaces around the residential addresses of the participants, data about green space visit frequency, and data about green and blue views from home. Most other studies only have data about the amount of green and blue spaces in general,” he said.

“The strong protective associations of frequency of green space visits make sense to me and indicate the importance of one’s actual nature exposure,” he added. “Like the results of our study, these results provide clinicians with more evidence of the importance of being close to nature and of encouraging patients to take more walks. If they live near a park, that could be a good place to be more physically active and reduce stress levels.”

The study was supported by the Academy of Finland and the Ministry of the Environment. Dr. Turunen and Dr. Klompmaker report no relevant financial relationships.

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

Frequent visits to green spaces such as parks and community gardens are associated with a reduced use of certain prescription medications among city dwellers, a new analysis suggests.

In a cross-sectional cohort study, frequent green space visits were associated with less frequent use of psychotropic, antihypertensive, and asthma medications in urban environments.

Viewing green or so called “blue” spaces (views of lakes, rivers, or other water views) from the home was not associated with reduced medication use.

Flickr-Rickr [CC BY-SA 2.0](http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

Nature exposure a timely topic

Exposure to natural environments is thought to be beneficial for human health, but the evidence is inconsistent, Dr. Turunen said.

“The potential health benefits of nature exposure is a very timely topic in environmental epidemiology. Scientific evidence indicates that residential exposure to greenery and water bodies might be beneficial, especially for mental, cardiovascular, and respiratory health, but the findings are partly inconsistent and thus, more detailed information is needed,” she said.

In the current cross-sectional study, the investigators surveyed 16,000 residents of three urban areas in Finland – Helsinki, Espoo, and Vantaa – over the period of 12 months from 2015 to 2016, about their exposure to green and blue spaces.

Of this number, 43% responded, resulting in 7,321 participants.

In the questionnaire, green areas were defined as forests, parks, fields, meadows, boglands, and rocks, as well as any playgrounds or playing fields within those areas, and blue areas were defined as sea, lakes, and rivers. 

Residents were asked about their use of anxiolytics, hypnotics, antidepressants, antihypertensives, and asthma medication within the past 7 to 52 weeks.

They were also asked if they had any green and blue views from any of the windows of their home, and if so, how often did they look out of those windows, selecting “seldom” to “often.”

They were also asked about how much time they spent outdoors in green spaces during the months of May and September. If so, did they spend any of that time exercising? Options ranged from never to five or more times a week.

In addition, amounts of residential green and blue spaces located within a 1 km radius of the respondents’ homes were assessed from land use and land cover data.

Covariates included health behaviors, outdoor air pollution and noise, and socioeconomic status, including household income and educational attainment.

Results showed that the presence of green and blue spaces at home, and the amount of time spent viewing them, had no association with the use of the prescribed medicines.

However, greater frequency of green space visits was associated with lower odds of using the medications surveyed.

For psychotropic medications, the odds ratios were 0.67 (95% confidence interval, 0.55-0.82) for 3-4 times per week and 0.78 (95% CI, 0.63-0.96) for 5 or more times per week.

For antihypertensive meds, the ORs were 0.64 (95% CI, 0.52-0.78) for 3-4 times per week and 0.59 (95% CI, 0.48-0.74) for 5 or more times per week.

For asthma medications, the ORs were 0.74 (95% CI, 0.58-0.94) for 3-4 times per week and 0.76 (95% CI, 0.59-0.99) for 5 or more times per week.

The observed associations were attenuated by body mass index.

“We observed that those who reported visiting green spaces often had a slightly lower BMI than those who visited green spaces less often,” Dr. Turunen said. However, no consistent interactions with socioeconomic status indicators were observed.

“We are hoping to see new results from different countries and different settings,” she noted. “Longitudinal studies, especially, are needed. In epidemiology, a large body of consistent evidence is needed to draw strong conclusions and to make recommendations.”
 

Evidence mounts on the benefits of nature

There is growing evidence that exposure to nature could benefit human health, especially mental and cardiovascular health, says Jochem Klompmaker, PhD, a postdoctoral researcher in the department of environmental health at the Harvard T.H. Chan School of Public Health, Boston.

Dr. Klompmaker has researched the association between exposure to green spaces and health outcomes related to neurological diseases.

In a study recently published in JAMA Network Open, and reported by this news organization, Dr. Klompmaker and his team found that among a large cohort of about 6.7 million fee-for-service Medicare beneficiaries in the United States aged 65 or older, living in areas rich with greenery, parks, and waterways was associated with fewer hospitalizations for certain neurological disorders, including Parkinson’s disease, Alzheimer’s disease, and related dementias.

Commenting on the current study, Dr. Klompmaker noted its strengths.

“A particular strength of this study is that they used data about the amount of green and blue spaces around the residential addresses of the participants, data about green space visit frequency, and data about green and blue views from home. Most other studies only have data about the amount of green and blue spaces in general,” he said.

“The strong protective associations of frequency of green space visits make sense to me and indicate the importance of one’s actual nature exposure,” he added. “Like the results of our study, these results provide clinicians with more evidence of the importance of being close to nature and of encouraging patients to take more walks. If they live near a park, that could be a good place to be more physically active and reduce stress levels.”

The study was supported by the Academy of Finland and the Ministry of the Environment. Dr. Turunen and Dr. Klompmaker report no relevant financial relationships.

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