• American heart journal · Jan 2010

    Comparative Study

    The incidence and clinical predictors of early stent thrombosis in patients with acute coronary syndrome.

    • Roy Beinart, Raed Abu Sham'a, Amit Segev, Hanoch Hod, Victor Guetta, Michael Shechter, Valentina Boyko, Shlomo Behar, and Shlomi Matetzky.
    • Heart Institute, Sheba Medical Center, Tel Hashomer, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
    • Am. Heart J. 2010 Jan 1; 159 (1): 118-24.

    BackgroundAcute coronary syndrome (ACS) is associated with activation of platelets and the coagulation system which could influence the incidence of early stent thrombosis (EST). We aimed to determine the incidence and predictors of EST in patients undergoing coronary stenting during ACS.MethodsThe study comprised 1202 consecutive patients, drawn from a nationwide ACS survey, who underwent coronary stenting during ACS and were followed up for 30 days. Early stent thrombosis was based on the Academic Research Consortium definition.ResultsThirty patients (2.5%) sustained EST. The occurrence of EST in patients with unstable angina/non-ST-elevation myocardial infarction and ST-elevation myocardial infarction (STEMI) was 0.9% and 3.9%, respectively (P < .05), and was even higher (5.2%) in STEMI patients who underwent primary percutaneous coronary intervention. On multivariate analysis, STEMI (OR 6.3, 95% CI 2.1-18, P = .0008), multivessel disease (OR 5.9, 95% CI 1.9-21, P = .003) and Killip class >/=2 (OR 2.9, 95% CI 1.3-6.6, P = .008) were independent correlates of EST. The use of bare versus drug-eluting stents was not associated with any significant difference in EST.ConclusionsPatients presenting with STEMI who are hemodynamically unstable and have multivessel coronary disease undergoing coronary stenting during ACS, are at increased risk of EST.Copyright 2010 Mosby, Inc. All rights reserved.

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