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  • Title: Sirolimus, Tacrolimus and Zotarolimus eluting stents to treat bifurcated lesions: a 7-month clinical outcome comparison.
    Author: Brugaletta S, Burzotta F, Trani C, Todaro D, Talarico G, Porto I, Leone AM, Niccoli G, Mazzari MA, Mongiardo R, Schiavoni G, Crea F.
    Journal: Minerva Cardioangiol; 2008 Feb; 56(1):35-42. PubMed ID: 18432167.
    Abstract:
    AIM: Drug eluting stents (DES) have been shown to reduce restenosis compared with bare metal stents in bifurcated lesions. The aim of this study was to evaluate the long-term clinical outcomes of patients with bifurcated lesions treated by 3 different DES. METHODS: Consecutive patients with symptomatic coronary artery disease on one bifurcated lesion with SB>2.25 mm (on visual estimation) undergoing at the Department of Cardiology of the Catholic University of Rome, Italy were screened. Patients treated with Sirolimus-eluting stent (Cypher Select; SES Group), Tacrolimus-eluting stent (Taxus-Libertè; TA Group) and Zotarolimus-eluting stent (Endeavor Driver; ZOT Group) were enrolled in the study. Clinical and angiographic characteristics of all patients were prospectively recorded. Major adverse clinical events (MACE), including death, acute myocardial infarction (MI) or target lesion revascularization (TVR) by either percutaneous coronary intervention (PCI) or coronary surgery were recorded during the follow-up. Incidence of definite or probable stent thrombosis was calculated according to the ARC criteria. RESULTS: Two hundred and forty-one consecutive patients were enrolled (89 Group CY, 98 Group TA and 54 Group EN). Length of follow-up was 235+/-60 days. Baseline clinical and angiographic characteristic were similar across the groups. The adopted technique for stent implantation was provisional stenting (73.4%), T-stenting technique (7%), crush (7%) and V-stenting (2.6%). The rate of patients finally treated with two stents was similar among groups. The cumulative rate of MACE (9% SES, 12% TA, 11% ZOT: P=0.7) and of TVR (2% SES, 9% TA, 7% ZOT) was similar among groups. No definite stent thrombosis was observed during follow-up, while 1 probable stent thrombosis was observed in TA group. CONCLUSION: The clinical outcome of bifurcated lesions using DES and mainly a technique of single stent implantation is good. In the present observational study, clinical adverse events did not differ in patients with bifurcated lesions treated by Cypher, Taxus or Endeavor stent implantation.
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