Resumo

LALOR, Nicolas et al. Clopidogrel versus prasugrel en síndrome coronario agudo tratado con angioplastia. Medicina (B. Aires) [online]. 2015, vol.75, n.4, pp.207-212. ISSN 0025-7680.

Greater antithrombotic potency new antiplatelet agents have been added such as prasugrel (PR) and ticagrelor to the traditional use of clopidogrel (CL) in the treatment of acute coronary syndrome (ACS). This study was aimed at comparing the incidence of long term ischemic and hemorrhagic events in patients treated with CL or PR during hospitalization. Retrospective ACS data base analysis performed by our cardiology service was completed prospectively. There were consecutively included all patients with percutaneous coronary intervention (PCI) during hospitalization due to ACS from December 2011 thru December 2012. A total of 398 ACS patients who underwent PCI with stent implantation were recruited. No differences in cardiovascular related deaths were observed in both groups (PR 2.9% vs. CL 2.5%, p = 0.48). PR group showed less re-infraction (1.9% vs. 6.8%, p = 0.01) with more total bleedings (18.5% vs. 8.5%, p = 0.001) and minor bleedings (12.4% vs. 3.4%, p < 0.001) with no differences in major and life threatening bleedings (p = ns). Multivariate analysis showed that independent predictors of cardiovascular mortality were age (OR 1.08, CI 95% 1.02-1.16) and renal failure (OR 6.98, CI 95% 1.23-39.71). Independent predictors for total bleeding were age (OR 1.06, CI 95% 1.02-1.09),ST segment elevation myocardial infarction (OR 1.99, CI 95% 1.05-3.79), renal failure (OR 3.32, CI 95% 1.62-6.78) and prasugrel use (OR 3.97, CI 95% 1.87-8.41). Use of prasugrel, in the ACS that requires PCI with stent, is associated with a lower myocardial infarction a year after follow-up, and it also leads to an increase of milder hemorrhage. No significant differences were observed in the cardiovascular mortality of both groups.

Palavras-chave : Platelet antiaggregants; Coronary angioplasty; Acute coronary syndrome.

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