Multi Vessel Coronary Artery Disease Clinical Trial
Official title:
Dual Antiplatelet Therapy in Patients With Clopidogrel Resistance Following Off-Pump Coronary Artery Bypass: Prospective, Randomized Controlled Trial
Ticagrelor, a direct-acting oral P2Y12-receptor antagonist, provides greater and more consistent platelet inhibition than clopidogrel. This study aimed to compare outcomes of ticagrelor plus aspirin versus clopidogrel plus aspirin 1 year after off-pump coronary artery bypass grafting (OPCAB) in patients with clopidogrel resistance.
Between November 2014 and November 2020, 1739 patients underwent OPCAB. Aspirin (100mg daily) and clopidogrel (75mg daily) were administered beginning at aday 1 after surgery. On the 7th postoperative day, the clopidogrel resistance was evaluated by point-of-care assay. Among them, the patients had clopidogrel resistance were enrolled in this study. Investigators divide them into two groups [A: ticagrelor, B; clopidogrel]. Primary endpoint was all-cause of mortality 1 year after OPCAB. Secondary endpoint included major adverse cardiovascular events (MACE: cardiac death, myocardial infarction, or stroke). Multivariate Cox regression was used to evaluate predictors of end points. ;
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