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首页> 中文期刊> 《中华医学杂志（英文版）》 >Predictive value of antiplatelet resistance on early stent thrombosis in patients with acute coronary syndrome

Predictive value of antiplatelet resistance on early stent thrombosis in patients with acute coronary syndrome

         
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摘要

Background Despite outstanding antiplatelet properties of aspirin and clopidogrel,some patients taking these drugs continue to suffer complications.Antiplatelet resistance appears to be a new prognostic factor in acute coronary syndrome patients for clinical events associated with stent thrombosis (ST).However,there is no optimal method to identify it and assess its correlation to clinical outcomes.This study sought to evaluate the predictive value of antiplatelet resistance assessed by whole blood impedance aggregometry for the risk of early ST in patients with acute coronary syndrome who underwent coronary stenting.Methods Platelet responses to aspirin and clopidogrel in 86 patients with acute coronary syndrome were measured by whole blood impedance aggregometry.Spontaneous platelet aggregation was defined as antiplatelet resistance identified by the increased electrical impedance.The clinical endpoint was early stent thrombosis during 30-day follow-up after coronary stenting.Results The prevalence of aspirin resistance,clopidogrel resistance and dual resistance of combined clopidogrel and aspirin resistance were 19.8％,12.8％ and 5.8％ respectively.Diabetes,female and higher platelet counts were more frequently detected in clopidogrel-resistant and dual-resistant patients.During 30-day follow-up,the patients with clopidogrel resistance and dual resistance had higher incidence of early stent thrombosis (18.2％ vs.1.3％,40.0％ vs.1.2％,P ＜0.05).Binary Logistic Regression analysis indicated that dual resistance remained an independent predicator for early stent thrombosis (odds ratio 34.064,95％ CI 1.919-604.656,P=-0.016).Conclusions Antiplatelet resistance assessed by whole blood impedance aggregometry is paralleled to clinical events,and dual antiplatelet resistance is an independent predicator for early stent thrombosis in patients with acute coronary syndrome.As a physiological assessment of platelet reactivity,whole blood impedance aggregometry is a convenient and accurate option for measuring antiplatelet resistance and hence predicting early stent thrombosis.~L:--|~---~ I ~t'l~.4~ IA~.~ ~.

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  • 来源
    《中华医学杂志（英文版）》 |2013年第4期|626-633|共8页
  • 作者

    LI Lei; LI Hai-yan; QIAO Rui; YU Hai-yi; ZENG Hui; GAO Wei; ZHANG Jie;

  • 作者单位

    Department of Cardiology,Peking University Third Hospital, Beijing 100191, China;

    Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health;

    Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education;

    Beijing 100191, China;

    Department of Cardiology,Peking University Third Hospital, Beijing 100191, China;

    Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health;

    Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education;

    Beijing 100191, China;

    Department of Laboratory Medicine ,Peking University Third Hospital, Beijing 100191, China;

    Department of Cardiology,Peking University Third Hospital, Beijing 100191, China;

    Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health;

    Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education;

    Beijing 100191, China;

    Department of Cardiology,Peking University Third Hospital, Beijing 100191, China;

    Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health;

    Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education;

    Beijing 100191, China;

    Department of Cardiology,Peking University Third Hospital, Beijing 100191, China;

    Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health;

    Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education;

    Beijing 100191, China;

    Department of Laboratory Medicine ,Peking University Third Hospital, Beijing 100191, China;

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