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  • Title: Impact of gender on clinical outcomes after mTOR-inhibitor drug-eluting stent implantation in patients with first manifestation of ischaemic heart disease.
    Author: Niccoli G, Sgueglia GA, Cosentino N, Piro M, Toma A, Cataneo L, Fracassi F, Porto I, Leone AM, Burzotta F, Trani C, Crea F.
    Journal: Eur J Prev Cardiol; 2012 Oct; 19(5):914-26. PubMed ID: 21840968.
    Abstract:
    BACKGROUND: Women have a worse outcome than men after percutaneous coronary intervention (PCI). However, in the drug-eluting stent (DES) era, limited data are available about the impact of gender-related differences on clinical outcome. Furthermore, many series have also included patients previously treated by coronary-artery bypass grafts or PCI, which may bias the evaluation of DES-related clinical events at follow up. We aimed to assess the impact of gender on clinical outcomes in a consecutive series of patients at first manifestation of coronary artery disease (CAD) undergoing PCI with mTOR-inhibitor DES. METHODS AND RESULTS: A total of 138 consecutive patients (age 64 ± 13 years, female gender 29%) undergoing successful mTOR-inhibitor DES implantation [sirolimus-eluting stent (SES); zotarolimus-eluting stent (ZES); and everolimus-eluting stent (EES)] for the treatment of stable chronic angina or an acute coronary syndrome, as their first clinical manifestation of CAD, were prospectively enrolled between February 2008 and May 2009. Major adverse cardiac events (MACE), defined as a combination of cardiac death, myocardial infarction (MI), and clinically driven target lesion revascularization (TVR) at 12-month follow up, constituted the endpoint of the study. Fifty-one (37%) patients received SES; 46 (33%) patients received ZES; and 41 (30%) patients received EES. At follow up, 21 (15%) patients experienced a MACE. Three (2%) patients had cardiac death, five (4%) had MI, while 13 (9%) patients underwent clinically driven TVR. MACE occurred more frequently in females than males [10 (25%) vs. 11 (11%), p = 0.05]. At Cox regression analysis, the only independent predictors of MACE were female gender and implantation of more than one stent [hazard ratio (HR) 3.70, 95% confidence interval (CI) 1.46-9.36, p = 0.006; HR 1.26, 95% CI 0.99-2.74, p = 0.01, respectively]. CONCLUSIONS: In conclusion, our finding suggests that women may have a worse outcome as compared with men after mTOR-inhibitor DES implantation.
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