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Gender Impact on Prognosis of Acute Coronary Syndrome Patients Treated With Drug-Eluting Stents.

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  • Medicine


Women have a higher risk of adverse outcomes after percutaneous coronary intervention (PCI) than men. However, in acute coronary syndrome (ACS), long-term outcomes after contemporary PCI with drug-eluting stent (DES) have not been fully investigated. We aimed to test the impact of gender on outcomes in patients with ACS after PCI with DES. We analyzed all patients with ACS from the prospective NOBORI-2 trial who underwent PCI with a Nobori DES from 2008 through 2009 in 125 centers worldwide. End points of the study were target lesion failure, cardiac death, myocardial infarction (MI), and clinically driven target lesion revascularization, and major adverse cardiac events (composite of cardiac death, MI, and target vessel revascularization) at 1 year and yearly up to 5 years. There were 1,640 patients with ACS, 1,268 men (77%) and 372 women (23%). Compared to men, women were 5 years older and more frequently had co-morbidities such as diabetes mellitus and hypertension. There were no gender differences for cardiac death (1.3% vs 2.7%), MI (2.1% vs 3.2%), or target lesion revascularization (2.6% vs 3.8%) at 1 year after the procedure for men and women, respectively. The trend was the same at 2 years (cardiac death 2.0% vs 2.3%, MI 2.5% vs 3.5%, target lesion revascularization 3.2% vs 4.6%). Target lesion failure rates were 4.5% and 5.9% at 1 year and 5.7% and 7.3% at 2 years in men and women, respectively (p = NS). Multivariate analysis, which included age, hypertension, diabetes mellitus, and number of diseased vessels, showed that gender was not a predictor for outcome. There were no differences in bleeding or stent thrombosis rates. Relief from anginal symptoms was similar. The same rate of adherence to dual antiplatelet therapy was observed and reached 73% at 1 year and 31% at 2 years after the ACS event and PCI. In conclusion, although women had worse baseline characteristics, no differences in outcomes were observed between men and women treated for ACS with contemporary DES.

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