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Safety of prasugrel in real-world patients with ST-segment elevation myocardial infarction: 1-year results from a prospective observational study (Bleeding and Myocardial Infarction Study).
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Edité par CCSD ; Elsevier ; Société française de cardiologie [2008-....] -
International audience. Background - Antiplatelet therapies, including prasugrel, are a cornerstone in the treatment of ST-segment elevation myocardial infarction (STEMI), but are associated with a bleeding risk. This risk has been evaluated in randomized trials, but few data on real-world patients are available. Aim - To evaluate prasugrel safety in real-world patients with STEMI. Methods - Consecutive patients with STEMI were recruited over 1 year. Follow-up was done at 3 months and 1 year to evaluate prasugrel safety from hospital discharge to the STEMI anniversary date. The primary outcome was occurrence of any major bleeding according to the Bleeding Academic Research Consortium (BARC) 3 or 5 definitions, or minor bleeding according to the BARC 2 definition. Results - Overall, 1083 patients were recruited. Compared to patients treated with aspirin+clopidogrel, patients treated with aspirin+prasugrel had fewer BARC 3 or 5 bleedings (two [0.4%] patients vs. nine [1.8%] patients; P=0.04), but more BARC 2 bleedings (45 [9.3%] patients vs. 20 [4.0%] patients; P<0.001). The baseline characteristics of prasugrel- and clopidogrel-treated patients differed because the former were carefully selected (younger, higher body mass index, less frequent history of stroke). In the overall population, rates of in-hospital and out-of-hospital major bleeding were 2.6% (n=28) and 1.3% (n=13), respectively. Conclusion - The rate of major bleeding, particularly out-of-hospital bleeding, in patients treated with prasugrel is low within 1 year after a STEMI. Accurate selection of patient candidates for prasugrel is likely to have reduced the risk of bleeding.
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