ABSTRACT
Objective To identify the factors influencing the response to clopidogrel.Methods Seventy-two patients with acute coronary syndrome who were treated at Beijing Tongren Hospital from September,2005 to April,2006 were eligible for this study.10 ?mol/L ADP induced platelet aggregation was measured before and 7 days after clopidogrel treatment by the traditional optical aggregometry.According to the inhibition of platelet aggregation(?A),the population was divided into low response group and normal response group.Then some factors possibly influencing the response to clopidogrel were analyzed by specific statistical methods.Results Baseline characteristic showed that compard with that of normal response group,the body mass index and the percentage of obesity and STEMI were lower in low response group,while its percentage of hypertension and diabetes were higher(P