PAD patients with depression had worse recovery, women twice as likely to be depressed

August 12, 2020

DALLAS, Aug. 12, 2020 -- Patients with peripheral artery disease (PAD) and depressive symptoms experience worse recovery especially women, compared to counterparts without depressive symptoms, one year after receiving specialty care for PAD,  according to new research published today in the Journal of the American Heart Association, an open access journal of the American Heart Association.

PAD is a narrowing of the peripheral arteries serving the legs, stomach, arms and head, and most commonly affects arteries in the legs. PAD is associated with a high risk of death and illness from cardiovascular diseases and is a significant global health problem that may cause excruciating pain while walking and may impact mobility, functioning, health status and quality of life.  

"This is the first study to document how depressive symptoms may complicate PAD recovery even among patients receiving specialty care," said senior study author Kim G. Smolderen, Ph.D., FAHA, a clinical health psychologist and co-director of the Vascular Medicine Outcomes Research Program in the internal medicine department at Yale New Haven Hospital, Yale University School of Medicine in New Haven, Connecticut. 

For one year, researchers followed 1,243 patients treated at vascular specialty clinics in the U.S., the Netherlands and Australia who were being treated for new or recurrent symptoms of PAD. Patients included in the study (average age 67, 38% women) were enrolled from the Patient-centered Outcomes Related to Treatment Practices in Peripheral Artery Disease Investigating Trajectories (PORTRAIT) Registry. The international registry addresses gaps in knowledge about the quality of care and health outcomes of patients with PAD, especially as seen from the patients' perspectives.

Researchers assessed depressive symptoms at the beginning of the study using the standard 8-item Patient Health Questionnaire (PHQ-8). Patients rated statements about how often they: Disease-specific and general health status were measured at the beginning of the study and at three, six and 12 months later with standardized patient interviews.

The researchers then reconstructed the one-year health status trajectory by whether or not patients reported depressive symptoms when they were diagnosed with PAD.  The analysis found: "A major goal of PAD treatment is improving patients' health status and quality of life," said study first author Qurat-Ul-Ain Jelani, M.D., an interventional cardiologist in training at Yale University School of Medicine. "Not recognizing or treating depressive symptoms may stand in the way of realizing optimal recovery.   

"As more value-based care options are designed for patients with PAD, integrating mental health screening and treatment pathways into chronic disease management may increase the opportunity for patients to receive more holistic care, thus improving outcomes. A multidisciplinary approach that includes mental health supports for patients with PAD would be beneficial."

Because the study was focused on patients treated at vascular specialty clinics, the findings may not be representative of the general PAD population who may not have access to specialty care. Researchers also acknowledged that the emphasis on depressive symptoms excludes many mental health concerns, such as anxiety or stress, and also excludes unmeasured clinical factors that could contribute to depressive symptoms.

"PAD is more than treating the legs and the corresponding pain," Smolderen said. "We need awareness for the patient as a whole in order to provide patient-centric care."

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Co-authors are Carlos Mena-Hurtado, M.D.; Matthew Burg, Ph.D.; Robert Soufer, M.D.; Kensey Gosch, M.S.; Philip G. Jones, M.S.; John A. Spertus, M.D.; and Basmah Safdar, M.D. Author disclosures are detailed in the manuscript.

The Patient-Centered Outcomes Research Institute (PCORI) and Gore supported this study.

Additional Resources: Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the Association's policy or position. The Association makes no representation or guarantee as to their accuracy or reliability. The Association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific Association programs and events. The Association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations and health insurance providers are available at https://www.heart.org/en/about-us/aha-financial-information.

About the American Heart Association

The American Heart Association is a relentless force for a world of longer, healthier lives. We are dedicated to ensuring equitable health in all communities. Through collaboration with numerous organizations, and powered by millions of volunteers, we fund innovative research, advocate for the public's health and share lifesaving resources. The Dallas-based organization has been a leading source of health information for nearly a century. Connect with us on heart.org, Facebook, Twitter or by calling 1-800-AHA-USA1.

American Heart Association

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