Background: Women with coronary artery disease are believed that bear a higher risk for adverse outcomes than men after conventional coronary interventions. The increasing use of coronary stenting has improved the outcome of patients undergoing coronary interventions, but little is known about the nature of outcomes in men versus women after this procedure. Objective: To examine whether there are sex-based differences in prognostic factors and in early and late outcomes among CAD patients undergoing coronary stent placement. Patients and methods: This is an inception cohort study, which included a consecutive series of 4264 patient (1001 women and 3263 men) with symptomatic CAD who were treated with coronary stenting between May 1992 and December 1998, at two tertiary referral institutions in Munich, Germany. Patients who underwent stenting in the setting of acute myocardial infarction were excluded. The main endpoints of the study were the combined event rates of death and nonfatal myocardial infarction, assessed at 30 days and 1 year after stenting, compared by sex. Results: Compared with men, women undergoing coronary stenting were significantly older (mean age, 69 vs. 63 years) and more likely to present with diabetes, arterial hypertension and hypercholesterolemia. Women had less extensive CAD, a less frequent history of myocardial infarction and better preserved left ventricular function than men. Women presented an excess risk of death or nonfatal myocardial infarction only during the early period after stenting: the 30-day combined event rate of death or myocardial infarction was 3.1% in women and 1.8% in men (P=0.02) and the multivariate-adjusted hazard ratio for women was 2.02 (95% CI, 1.27-3.19). At 1 year, the outcome was similar for both women and men (combined event rate for women, 6.0%, and for men, 5.8% (P=0.77); multivariate-adjusted HR for women, 1.06 [95% CI, 0.75-1.48]).There was a sex difference in the prognostic value of baseline characteristics: the strongest prognostic factors were diabetes in women and age in men. Women also presented a reduced risk for restenosis (target vessel revascularization, 14.5% vs. 17.5% in men, P=0.02). Conclusion: The results of this study indicate that the 1-year outcomes of women with CAD undergoing coronary artery stenting are similar to those of men. Despite the similarity in outcomes, there are several sex-specific differences in baseline characteristics, clinical course after the intervention, and relative weight of prognostic factors.
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Background: Women with coronary artery disease are believed that bear a higher risk for adverse outcomes than men after conventional coronary interventions. The increasing use of coronary stenting has improved the outcome of patients undergoing coronary interventions, but little is known about the nature of outcomes in men versus women after this procedure. Objective: To examine whether there are sex-based differences in prognostic factors and in early and late outcomes among CAD patients underg...
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