期刊
JOURNAL OF CARDIOVASCULAR PHARMACOLOGY AND THERAPEUTICS
卷 26, 期 6, 页码 625-629出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/10742484211031436
关键词
antithrombotic; acute myocardial infarction; acute coronary syndromes
This study evaluated the safety and efficacy of triple antithrombotic regimens containing different antiplatelet drugs in patients with ST-elevation myocardial infarction after percutaneous coronary intervention. Results from this small cohort study suggest that there is no significant difference in net adverse clinical event rates between clopidogrel and potent P2Y12 inhibitors in the setting of triple antithrombotic therapy.
Background: Patients on dual antiplatelet therapy following percutaneous coronary intervention often have indications for concomitant oral anticoagulation, known as triple antithrombotic therapy. Majority of literature evaluating triple antithrombotic therapy fails to adequately represent patients with ST-elevation myocardial infarction and those prescribed potent P2Y12 inhibitors, ticagrelor or prasugrel. The purpose of this study was to evaluate the safety and efficacy of triple antithrombotic regimens containing ticagrelor or prasugrel versus clopidogrel after percutaneous coronary intervention in the setting of ST-elevation myocardial infarction. Methods: This was a single-center, retrospective cohort trial. The primary endpoint was net adverse clinical event, defined as the primary efficacy endpoint of death, myocardial infarction, or cerebrovascular accident and the primary safety endpoint of any bleeding event. Results: Between October 2017 and October 2019, a total of 65 patients with ST-elevation myocardial infarction were initiated on triple therapy. Forty-six patients were included in the primary analysis, of which 26 were discharged on triple antithrombotic therapy with clopidogrel and 20 discharged on potent P2Y12 inhibitors (ticagrelor or prasugrel). The primary endpoint occurred in 27% of the clopidogrel group and 40% of the potent P2Y12 inhibitor group (P = 0.35). Bleeding occurred in 23% of the clopidogrel group and 35% of the potent P2Y12 inhibitor group (P = 0.37). Conclusions: This small cohort study suggests, in patients with ST-elevation myocardial infarction undergoing percutaneous coronary intervention, the net adverse clinical event rate does not differ between clopidogrel and potent P2Y12 inhibitors in the setting of triple antithrombotic therapy. The results of this exploratory analysis warrant confirmation in a larger, randomized study.
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