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Chinese Journal of Interventional Cardiology ; (4): 677-682, 2016.
Article Dans Chinois | WPRIM | ID: wpr-508386

Résumé

Objective To observe high residual platelet reactivity in patients with acute coronary syndrome and diabetes mellitus receiving dual antiplatelet therapy with clopidogrel or ticagrelor and its influence on prognosis. Methods A total of 175 patients with acute coronary syndrome and diabetes mellitus in Wuhan Asia Heart Hospital were included in this retrospective study, and all patients were divided into two groups : ticagrelor group ( n = 22 ) and clopidogrel group ( n = 153 ) . The platelet aggregation function was tested by light transmission platelet aggregation (LTA). The high residual platelet reactivity was defined as maximum platelet aggregation rate ﹥46. 0%. The differences of high residual platelet reactivity and the effect of high residual platelet reactivity on cardiovascular events were compared between the two groups. Results The number of patients with high residual platelet reactivity in the clopidogrel group were 99 patients (64. 7%), and 8 patients(36. 4%) in the ticagrelor group (P=0. 011) . For stent thrombosis developed in three months, 3 patients were from the high residual platelet reaction group ( n=107 ) , none from the normal residual platelet reaction group ( n =68 ) ( P =0. 016 ) . For bleeding events at 3 months, there were 2 patients (1. 9%, 2/107) from the high residual platelet reaction group and 2 patients (2. 9%, 2/68) were from the normal residual platelet reaction group (P=0. 631). Conclusions Ticagrelor significantly decreases high residual platelet reactivity than clopidogrel. High residual platelet reactivity increases stent thrombosis risk for ACS and type 2 diabetes mellitus.

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