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Zotarolimus-eluting vs. sirolimus-eluting coronary stents in patients with and without acute coronary syndromes: a SORT OUT III substudy

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Eur J Clin Invest 2012 ABSTRACT: Objectives:  To compare clinical outcomes among patients with acute coronary syndrome treated with zotarolimus-eluting and sirolimus-eluting stents in the SORT OUT III trial. Background:  Currently, only limited data allow direct comparison of clinical outcomes among patients with acute coronary syndrome treated with a second-generation drug-eluting stent (DES) eluting zotarolimus vs. a first-generation DES eluting sirolimus. Methods:  Patients with acute coronary syndrome (n = 1052) were randomized to treatment with zotarolimus-eluting (n = 506) or sirolimus-eluting (n = 546) stents and followed for 18 months. The primary composite endpoint, major adverse cardiac events (MACE), was defined as a composite of cardiac death, myocardial infarction or target vessel revascularization. Results:  Zotarolimus-eluting stent treatment compared to sirolimus-eluting stent treatment was associated with increased rates of MACE (8·7% vs. 5·0%; hazard ratio (HR), 1·78; 95% confidence interval (CI), 1·10-2·88; P = 0·02) and TVR (6·8% vs. 3·9%; HR, 1·77; 95% CI, 1·03-3·04; P = 0·04), while all-cause death, cardiac death, myocardial infarction and definite stent thrombosis did not differ significantly. In the same trial, stable angina pectoris patients (n = 1206) were randomized to zotarolimus-eluting (n = 614) and sirolimus-eluting (n = 592) stents with similar results. Conclusions:  With and without acute coronary syndromes, patients treated with the sirolimus-eluting stent had better clinical outcomes than those treated with the zotarolimus-eluting stent.
Original languageEnglish
JournalEuropean Journal of Clinical Investigation
Volume42
Issue10
Pages (from-to)1047-1054
Number of pages8
ISSN0014-2972
DOIs
Publication statusPublished - 2012

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