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Significant unmet mental health care needs exist in current and former smokers with COPD

May 08, 2019

BIRMINGHAM, Ala. - Researchers at the University of Alabama at Birmingham have published new information that stresses the need for increased mental health care for current and former smokers, especially those who suffer from chronic obstructive pulmonary disease.

Published in the Journal of Psychosomatic Research, physician scientists from the UAB Division of Pulmonary, Allergy and Critical Care Medicine in partnership with researchers across the country say smokers with and without COPD have significant unmet mental health care needs, particularly anxiety and depressive symptoms.

"In the group of more than 5,000 smokers with and without COPD from the multisite, longitudinal genetic epidemiology of COPD -- COPDGene -- study, one in four had clinically elevated anxiety/depressive symptoms," said study lead author and UAB assistant professor Anand S. Iyer, M.D. "Of those with elevated symptoms, two-thirds were not receiving any type of medication to treat these symptoms such as an anti-anxiety or anti-depressant medication. There are many non-pharmacological treatment options, too; but medications are cornerstone therapy for clinically elevated symptoms."

Iyer added that these symptoms were not only a problem for smokers with end-stage COPD.

"While depressive symptoms were most frequent in those with the most severe cases of COPD, anxiety symptoms were similar in frequency between smokers with and without COPD, so the problem seems to start a lot earlier in the disease," Iyer said. "We also identified several characteristics that were associated with having unmedicated symptoms -- namely African-American race, male gender and lack of health insurance."

According to Iyer, who is also part of the UAB Lung Health Center, untreated emotional symptoms leave a major gap in COPD care that warrants early palliative care or primary palliative care. He says emotional symptoms have been shown to impact many COPD-related outcomes.

"We have previously found that depression predicts hospital readmissions in COPD, and others have found associations with exacerbations and poor adherence to medications," Iyer said. "Clinically, we treat many COPD patients and smokers who have borderline COPD and also have clinically important emotional symptoms that would warrant treatment."

Iyer added that pulmonary and primary care clinicians do not assess these symptoms often enough, which leaves many patients potentially not being treated for elevated emotional symptoms, a major gap in comprehensive COPD care, and it is not clear who is in charge of managing those symptoms -- primary care or pulmonologists.

"Since the elevated emotional symptoms we discovered were also present in smokers who had milder COPD, earlier assessment and triage in the primary care setting is needed, potentially even early palliative care," he said.

So, does smoking cause anxiety or depression? Iyer says that relationship can be tricky, but seems to be bidirectional.

"There are similar receptors in the brain functioning in smokers addicted to cigarettes and who have anxiety and depression," Iyer said. "In fact, most of the smoking cessation medications frequently used to help patients quit are antidepressants too."

"Imagine someone who is anxious and self-medicating that anxiety with cigarettes, which we obviously don't want," he said. "There are many phenotypes in COPD, such as someone with chronic cough or emphysema or high eosinophil count, and all of these warrant unique patient-centered approaches. Our research adds to the growing literature on a possible unique COPD-psychiatric phenotype who is at high risk for exacerbations and poor quality of life."

Iyer says the next steps for this research are to see how symptoms of anxiety and depression influence important COPD outcomes, particularly exacerbations of COPD.
This study was made available online in January 2019 ahead of final publication in print in March 2019.

This research was supported by a UAB Patient Centered Outcomes Research K12 from the Agency for Healthcare Research and Quality. The COPDGene Study is supported by the National Institutes of Health and the COPD Foundation.

About UAB

Known for its innovative and interdisciplinary approach to education at both the graduate and undergraduate levels, the University of Alabama at Birmingham is an internationally renowned research university and academic medical center, as well as Alabama's largest employer, with some 23,000 employees, and has an annual economic impact exceeding $7 billion on the state. The five pillars of UAB's mission include education, research, patient care, community service and economic development. UAB is a two-time recipient of the prestigious Center for Translational Science Award. Learn more at UAB: Powered by will.

University of Alabama at Birmingham

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