{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T14:38:55Z","timestamp":1784039935433,"version":"3.55.0"},"reference-count":40,"publisher":"American Medical Association (AMA)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"Importance<\/jats:title>Women who undergo surgical hysterectomy before natural menopause may have an earlier increase in hematocrit and storage iron levels than those who continue menstruation, thereby increasing the risk of cardiovascular disease (CVD) at ages younger than usually seen. Examining this issue may provide important implications for women\u2019s cardiovascular health to both physicians and patients.<\/jats:p><\/jats:sec>Objective<\/jats:title>To evaluate the association of hysterectomy with the risk of incident CVD among women before age 50 years.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>In this Korean population-based cohort study, 135\u202f575 women aged 40 to 49 years were evaluated from January 1, 2011, to December 31, 2014. After propensity score matching in covariates including age, socioeconomic status, region, Charlson Comorbidity Index, hypertension, diabetes, dyslipidemia, menopause, menopausal hormone therapy, and adnexal surgery before inclusion, 55\u202f539 pairs were included in the hysterectomy and nonhysterectomy groups. Participants were followed up until December 31, 2020. Data analysis was conducted from December 20, 2021, to February 17, 2022.<\/jats:p><\/jats:sec>Main Outcomes and Measures<\/jats:title>The primary outcome was an incidental CVD, a composite of myocardial infarction, coronary artery revascularization, and stroke. The individual components of the primary outcome were also evaluated.<\/jats:p><\/jats:sec>Results<\/jats:title>A total of 55 539 pairs were included; median age in the combined groups was 45 (IQR, 42-47) years. During median follow-up periods in the hysterectomy group of 7.9 (IQR, 6.8-8.9) years and nonhysterectomy group of 7.9 (IQR, 6.8-8.8) years, the incidence of CVD was 115 per 100\u202f000 person-years for the hysterectomy group and 96 per 100\u202f000 person-years for the nonhysterectomy group. After adjusting for confounding factors, the hysterectomy group had an increased risk of CVD compared with the nonhysterectomy group (hazard ratio [HR], 1.25; 95% CI, 1.09-1.44). The incidences of myocardial infarction and coronary artery revascularization were comparable between the groups, whereas the risk of stroke was significantly higher in the hysterectomy group (HR, 1.31; 95% CI, 1.12-1.53). Even after excluding women who underwent oophorectomy, the hysterectomy group had higher risks of CVD (HR, 1.24; 95% CI, 1.06-1.44).<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>The findings of this cohort study suggest early menopause owing to hysterectomy was associated with increased risks for a composite of CVD, particularly stroke.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2023.17145","type":"journal-article","created":{"date-parts":[[2023,6,12]],"date-time":"2023-06-12T15:03:55Z","timestamp":1686582235000},"page":"e2317145","source":"Crossref","is-referenced-by-count":21,"title":["Association of Early Hysterectomy With Risk of Cardiovascular Disease in Korean Women"],"prefix":"10.1001","volume":"6","author":[{"given":"Jin-Sung","family":"Yuk","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Republic of 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