Sex-specific outcomes following revascularization with zotarolimus-eluting stents: Comparison of angiographic and late-term clinical results

Ryan A. Brown, Marcus Williams, Colin M. Barker, Laura Mauri, Ian T. Meredith, Jean Fajadet, William Wijns, Martin B. Leon, David E. Kandzari

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Objectives: We examined angiographic and late-term clinical outcomes according to sex in recent percutaneous coronary intervention (PCI) trials involving zotarolimus-eluting stents (ZES). Background. Differences in outcome between men and women undergoing PCI have been inconsistently described with bare metal and first-generation drug-eluting stents. Methods. Clinical and angiographic outcomes among ZES-treated patients were evaluated by sex using propensity score modeling in a patient-level systematic overview of six trials and were also compared to patients receiving bare metal stents (BMS). Results. Among 2,132 patients, 608 were female (28.5%). Compared to men, women were older and more frequently had diabetes, hypertension, and a smaller reference vessel diameter (P < 0.05 for all). For both sexes, the relative reductions in 8-month angiographic binary restenosis and late lumen loss were statistically significant and of similar extent with ZES compared to BMS. By 2 years, treatment with ZES resulted in significantly lower target vessel revascularization (TVR) and target vessel failure (TVF; 10.0% vs. 21.5%, P = 0.0003) among women that paralleled risk reductions for men. However, among ZES-treated patients, 2-year rates of TVR (8.2% vs. 10.4%, P = 0.005) and TVF (9.9% vs. 12.8%, P = 0.004) were significantly lower among women, although rates of death and myocardial infarction were similar. Conclusions. Despite greater baseline clinical and angiographic risk than men, women undergoing PCI with ZES compared to BMS experienced significant reductions in angiographic restenosis and repeat revascularization yet similar safety. Among all patients treated with ZES, late-term safety and efficacy outcomes are similar, if not lower, among women compared to men.

Original languageEnglish (US)
Pages (from-to)804-813
Number of pages10
JournalCatheterization and Cardiovascular Interventions
Volume76
Issue number6
DOIs
StatePublished - Nov 15 2010

Keywords

  • coronary disease
  • drug-eluting stents
  • sex

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging

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