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Clinical importance of aspirin and clopidogrel resistance

Fehér, Gergely and Fehér, Andrea and Pusch, Gabriella and Koltai, Katalin and Tibold, Antal and Gasztonyi, Beáta and Papp, Előd and Szapáry, László (2010) Clinical importance of aspirin and clopidogrel resistance. World Journal of Cardiology, 2 (7). pp. 171-186. ISSN 1949-8462

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Abstract

Aspirin and clopidogrel are important components of medical therapy for patients with acute coronary syndromes, for those who received coronary artery stents and in the secondary prevention of ischaemic stroke. Despite their use, a significant number of patients experience recurrent adverse ischaemic events. Interindividual variability of platelet aggregation in response to these antiplatelet agents may be an explanation for some of these recurrent events, and small trials have linked “aspirin and/or clopidogrel resistance”, as measured by platelet function tests, to adverse events. We systematically reviewed all available evidence on the prevalence of aspirin/clopidogrel resistance, their possible risk factors and their association with clinical outcomes. We also identified articles showing possible treatments. After analyzing the data on different laboratory methods, we found that aspirin/clopidogrel resistance seems to be associated with poor clinical outcomes and there is currently no standardized or widely accepted definition of clopidogrel resistance. Therefore, we conclude that specific treatment recommendations are not established for patients who exhibit high platelet reactivity during aspirin/clopidogrel therapy or who have poor platelet inhibition by clopidogrel.

Item Type: Article
Uncontrolled Keywords: Aspirin; Clopidogrel; Antiplatelet agent; Aspirin resistance; Clopidogrel resistance; cardiovascular outcome; Platelet aggregation; Zala Megyei Kórház tudományos közleményei
Subjects: R Medicine / orvostudomány > RC Internal medicine / belgyógyászat
Depositing User: xGabriella xBeke
Date Deposited: 26 Mar 2014 13:24
Last Modified: 04 Aug 2014 14:23
URI: http://real.mtak.hu/id/eprint/11162

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