• Belén Álvarez Álvarez, Charigan Abou Jokh Casas, Rosa Agra Bermejo, Alberto Cordero, Ana Belén Cid Álvarez, Rodriguez Mañero Moisés M Cardiology Department. Complejo Hospitalario Universitario de Santiago de Compostela. Santiago de Compostela, Spain; Centro de Investigación Bio, Noelia Bouzas Cruz, José María García Acuña, Angel Salgado Barreiro, and José R González-Juanatey.
• Cardiology Department. Complejo Hospitalario Universitario de Santiago de Compostela. Santiago de Compostela, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV). Electronic address: belenalvarez85@hotmail.com.
• Eur. J. Intern. Med. 2020 Nov 1; 81: 26-31.

Introduction And ObjectivesThere is insufficient data regarding sex-related prognostic differences in patients with a non-ST elevation acute coronary syndrome (NSTEACS). We performed a sex-specific analysis of cardiovascular outcomes after NSTEACS using a large contemporary cohort of patients from two tertiary hospitals.MethodsThis work is a retrospective analysis from a prospective registry, that included 5,686 consecutive NSTEACS patients from two Spanish University hospitals between the years 2005 and 2017. We performed a propensity score matching to obtain a well-balanced subset of individuals with the same clinical characteristics, resulting in 3,120 patients. Cox regression models performed survival analyses once the proportional risk test was verified.ResultsAmong the study participants, 1,572 patients (27.6%) were women. The mean follow-up was 60.0 months (standard deviation of 32 months). Women had a higher risk of cardiovascular mortality compared with men (OR (Odds ratio) 1.27, CI (confidence interval) 95% 1.08-1.49), heart failure (HF) hospitalization (OR 1.39, CI 95% 1.18-1.63) and risk of all-cause mortality (OR 1.10, CI 95% 1.08-1.49). After a propensity score matching, female gender was associated with a significant reduction in the risk of total mortality (OR 0.77, CI 95% 0.65-0.90) with a similar risk of cardiovascular mortality (OR 0.86, CI 0.71-1.03) and HF hospitalization (OR 0.92, CI 95% 0.68-1.23). After baseline adjustment, the risk of all-cause mortality and cardiovascular mortality was lower in women, whereas the risk of HF remained similar among sexes.ConclusionsIn a contemporary cohort of patients with NSTEACS, women are at similar risk of developing early and late HF admissions, and have better survival compared with men, with a lower risk of all-cause mortality and cardiovascular mortality. The implementation of NSTEACS guideline recommendations in women, including early revascularization, seems to be accompanied by improved early and long-term prognosis.Copyright © 2020 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.

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