Abstract
Data on the clinical impact of gender in "real-life" patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI), receiving clopidogrel, prasugrel, or ticagrelor are limited. We aimed to investigate sex-based differences in clinical outcome of those patients. In a prospective, observational, multicenter, cohort study, 2047 patients were recruited into the GReekAntiPlatElet (GRAPE) Registry and were followed up until 1year for major adverse cardiovascular events (MACE, composite of death, nonfatal myocardial infarction, urgent revascularization, and stroke) and bleeding events (Bleeding Academic Research Consortium [BARC] classification). Women (n=360, 17.6%) were more frequently administered clopidogrel (rather than novel P2Y12 receptor antagonists) at PCI hospital and at discharge. MACE occurred in 9.2% and 8.1% of women and men, respectively and did not differ significantly by gender. Rate of observed bleeding BARC any type was 57.2% and 44.4% in women and men, respectively. Following adjustment, only differences in BARC any type and BARC type 1 events remained significant, with higher rates observed between women: hazard ratio (95% confidence interval) 1.51 (1.23-1.85) and 1.58 (1.27-1.96), respectively, P<.001 for both. In a contemporary "real-life" cohort of patients with ACS treated with PCI and focusing on antiplatelet treatment 1-year ischemic outcome does not differ by gender, while women do present more frequently not actionable bleeding events.
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