Psychological stress may increase risk for a serious cardiovascular event in women with heart disease

November 11, 2019

DALLAS, Nov. 11, 2019 -- The way women with heart disease respond to psychological stress puts them at increased risk for heart attacks and other cardiovascular events, yet the same doesn't appear to be true for men, according to preliminary research to be presented at the American Heart Association's Scientific Sessions 2019 -- November 16-18 in Philadelphia. The Association's Scientific Sessions is an annual, premier global exchange of the latest advances in cardiovascular science for researchers and clinicians.

Stress is known to increase inflammation throughout the body, which may contribute to heart disease risk, as well as heart attacks and other major cardiovascular events.

Researchers measured changes in inflammatory biomarkers in blood that are associated with stress in 615 men and women (average age of 63, 25% women) with stable heart disease before and after a psychologically stressful activity. To induce stress, participants were given a short speech test including two minutes of preparation time and three minutes of speaking.

The known inflammatory biomarkers interleukin-6 (IL-6), monocyte chemoattractant protein-1 (MCP-1) and matrix metallopeptidase-9 (MMP-9) were measured in participants while they were at rest before the speech and then again 90 minutes after their speech to give the body time to produce and release inflammatory molecules into the circulatory system.

Researchers then tracked participants for a median follow-up of three years, during which time 82 participants (13%) either died, had heart attacks, were treated for unstable angina or had heart failure.

While there were no significant associations between inflammatory response to stress and risk of major cardiovascular events in the overall sample, there were sex-based interactions for some specific biomarkers, specifically:These findings align with prior research showing women with existing heart disease have distinct biological responses to stress that may increase their risk of major cardiovascular events compared to men.

"In clinical care, the role of psychosocial stress, or stress during daily life, is often under-recognized and has not yet been incorporated in cardiovascular risk prevention guidelines," said study author Samaah Sullivan, Ph.D., an instructor in epidemiology at Emory University's School of Public Health in Atlanta, Georgia. "We hope health professionals can advise patients with heart disease, particularly female patients, about the importance of reducing stress through suitable interventions or techniques and refer patients for appropriate mental health care and support."
Co-authors are An Young, M.D., M.P.H.; Muhammad Hammadah, M.D.; Bruno B. Lima, M.D., Ph.D.; Yi-An Ko, Ph.D., M.S.; Brad D. Pearce, Ph.D.; Amit J. Shah, M.D., M.S.C.R.; Jeong Hwan Kim, M.D.; Kasra Moazzami, M.D., M.P.H.; Nancy Murrah, R.N., B.S.N.; Emily G. Driggers, M.A.; Belal Kaseer, M.D.; Oleksiy Levantsevych, M.D.; Ammer Haffar; Laura Ward, M.S.P.H.; Allison Hankus, B.S.; Tene T. Lewis, Ph.D.; Puja K. Mehta, M.D.; J. Douglas Bremner, M.D.; Paolo Raggi, M.D.; Arshed A Quyyumi, M.D.; and Viola Vaccarino, M.D., M.P.H. Author disclosures are in the abstract.

Additional Resources:Statements and conclusions of study authors presented at American Heart Association scientific meetings 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

The American Heart Association's Scientific Sessions is a premier global exchange of the latest advances in cardiovascular science for researchers and clinicians. Scientific Sessions 2019 is November 16-18 at the Pennsylvania Convention Center in Philadelphia. More than 12,000 leading physicians, scientists, cardiologists and allied health care professionals from around the world convene at the Scientific Sessions to participate in basic, clinical and population science presentations, discussions and curricula that can shape the future of cardiovascular science and medicine, including prevention and quality improvement. During the three-day meeting, attendees receive exclusive access to over 4,100 original research presentations and can earn Continuing Medical Education (CME), Continuing Education (CE) or Maintenance of Certification (MOC) credits for educational sessions. Engage in the Scientific Sessions conversation on social media via #AHA19.

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, Facebook, Twitter or by calling 1-800-AHA-USA1.

American Heart Association

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