alexa Endometriosis and Risk of Coronary Heart Disease.


Journal of Cancer Clinical Trials

Author(s): Mu F, RichEdwards J, Rimm EB, Spiegelman D, Missmer SA

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Abstract BACKGROUND: Endometriosis is a prevalent gynecologic disease associated with systemic chronic inflammation, heightened oxidative stress, and atherogenic lipid profile that may increase women's risk for coronary heart disease (CHD). METHODS AND RESULTS: We examined the prospective association between laparoscopically confirmed endometriosis and subsequent CHD among 116 430 women in the Nurses' Health Study II (1989-2009). Participants with a history of heart disease and stroke were excluded. When compared with women without endometriosis, women with laparoscopically confirmed endometriosis had a higher risk of myocardial infarction (relative risk, 1.52; 95\% confidence interval, 1.17-1.98), angiographically confirmed angina (1.91; 1.59-2.29), coronary artery bypass graft surgery/coronary angioplasty procedure/stent (1.35; 1.08-1.69), or any of these CHD end points combined (1.62; 1.39-1.89), independent of potential demographic, anthropometric, family history, reproductive, and lifestyle confounders. Relative risk for the combined CHD end point was highest among women aged ≤40 years (3.08; 2.02-4.70) and decreased as age increased (40< age ≤50 years, 1.65; 1.35-2.02; 50< age ≤55 years, 1.44; 1.07-1.94; and age >55 years, 0.98; 0.56-1.72; P value, test for heterogeneity=0.001). Having had a hysterectomy/oophorectomy was associated with higher risk of combined CHD compared with not having had a hysterectomy/oophorectomy (1.51; 1.34-1.71). A percentage of 42 of the association between endometriosis and CHD could be explained by greater frequency of hysterectomy/oophorectomy and earlier age at surgery after endometriosis diagnosis. CONCLUSIONS: In this large, prospective cohort, laparoscopically confirmed endometriosis was associated with increased risk of CHD. The association was strongest among young women. Hysterectomy/oophorectomy was associated with higher risk of CHD and could partially explain the association between endometriosis and CHD. © 2016 American Heart Association, Inc.
This article was published in Circ Cardiovasc Qual Outcomes and referenced in Journal of Cancer Clinical Trials

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