Pratik Pimple1, Muhammad Hammadah2, Kobina Wilmot2, Ronnie Ramadan2, Ibhar Al Mheid2, Oleksiy Levantsevych2, Samaah Sullivan1, Ernest V Garcia3, Jonathon Nye3, Amit J Shah4, Laura Ward5, Puja Mehta2, Paolo Raggi6, J Douglas Bremner7, Arshed A Quyyumi2, Viola Vaccarino8. 1. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Ga. 2. Department of Medicine, Division of Cardiology, Emory University, Atlanta, Ga. 3. Department of Radiology & Imaging Science, Emory University School of Medicine, Atlanta, Ga. 4. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Ga; Department of Medicine, Division of Cardiology, Emory University, Atlanta, Ga. 5. Department of Biostatistics & Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Ga. 6. Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada. 7. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Ga. 8. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Ga; Department of Medicine, Division of Cardiology, Emory University, Atlanta, Ga. Electronic address: viola.vaccarino@emory.edu.
Abstract
BACKGROUND: Mental stress-induced myocardial ischemia is a frequent phenomenon in patients with coronary artery disease. Women with coronary artery disease tend to have more mental stress-induced myocardial ischemia and more chest pain/anginal symptoms than men, but whether the association between mental stress-induced myocardial ischemia and angina burden differs in women and men is unknown. METHODS: This was a cross-sectional study with experimental manipulation of 950 individuals with stable coronary artery disease. Chest pain/angina frequency in the previous 4 weeks was assessed with the Seattle Angina Questionnaire's angina-frequency subscale. Mental stress-induced myocardial ischemia was assessed with myocardial perfusion imaging during mental stress (standardized public speaking task). Presence of mental stress-induced myocardial ischemia was based on expert readers and established criteria. A conventional (exercise or pharmacologic) stress test was used as a control condition. RESULTS: Overall, 338 individuals (37%) reported angina; 112 (12%) developed mental stress-induced myocardial ischemia, and 256 (29%) developed conventional stress ischemia. Women who reported angina had almost double the probability to develop mental stress-induced myocardial ischemia (19% vs 10%, adjusted prevalence rate ratio, 1.90; 95% confidence interval, 1.04-3.46), whereas there was no such difference in men (11% vs 11%, adjusted prevalence rate ratio, 1.09; 95% confidence interval, 0.66-1.82). No association was found between angina symptoms and conventional stress ischemia for women or men. Results for ischemia as a continuous variable were similar. CONCLUSIONS: In women, but not in men, anginal symptoms may be a marker of vulnerability toward ischemia induced by psychologic stress. These results highlight the psychosocial origins of angina in women and may have important implications for the management and prognosis of women with angina.
BACKGROUND:Mental stress-induced myocardial ischemia is a frequent phenomenon in patients with coronary artery disease. Women with coronary artery disease tend to have more mental stress-induced myocardial ischemia and more chest pain/anginal symptoms than men, but whether the association between mental stress-induced myocardial ischemia and angina burden differs in women and men is unknown. METHODS: This was a cross-sectional study with experimental manipulation of 950 individuals with stable coronary artery disease. Chest pain/angina frequency in the previous 4 weeks was assessed with the Seattle Angina Questionnaire's angina-frequency subscale. Mental stress-induced myocardial ischemia was assessed with myocardial perfusion imaging during mental stress (standardized public speaking task). Presence of mental stress-induced myocardial ischemia was based on expert readers and established criteria. A conventional (exercise or pharmacologic) stress test was used as a control condition. RESULTS: Overall, 338 individuals (37%) reported angina; 112 (12%) developed mental stress-induced myocardial ischemia, and 256 (29%) developed conventional stress ischemia. Women who reported angina had almost double the probability to develop mental stress-induced myocardial ischemia (19% vs 10%, adjusted prevalence rate ratio, 1.90; 95% confidence interval, 1.04-3.46), whereas there was no such difference in men (11% vs 11%, adjusted prevalence rate ratio, 1.09; 95% confidence interval, 0.66-1.82). No association was found between angina symptoms and conventional stress ischemia for women or men. Results for ischemia as a continuous variable were similar. CONCLUSIONS: In women, but not in men, anginal symptoms may be a marker of vulnerability toward ischemia induced by psychologic stress. These results highlight the psychosocial origins of angina in women and may have important implications for the management and prognosis of women with angina.
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