Efficacy and safety of short-term dual antiplatelet therapy (≤6 months) after percutaneous coronary intervention for acute coronary syndrome: A systematic review and meta-analysis of randomized controlled trials

Clinical Cardiology
Naoki MisumidaKhaled M Ziada

Abstract

Patients who undergo percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS) are at increased risk for subsequent ischemic events. Short-term dual antiplatelet therapy (DAPT) (≤6 months) is inferior to standard or long-term DAPT in patients who undergo PCI for ACS events. We conducted a systematic review and meta-analysis of randomized controlled trials that compared short-term (≤6 months) to long-term (≥12 months) DAPT after PCI for ACS. We searched MEDLINE, EMBASE, SCOPUS, and the Cochrane Central Register of Controlled Trials database. Ten randomized controlled trials, including a total of 12 696 patients, met our inclusion criteria. For short-term DAPT, duration of therapy ranged from 3 to 6 months, while long-term DAPT ranged from 12 to 24 months. The majority of studies used clopidogrel and second-generation drug-eluting stents. No statistically significant difference was found between short-term and long-term DAPT with regard to myocardial infarction (odds ratio 1.21; 95% confidence interval 0.94-1.57; P = 0.14), stent thrombosis (odds ratio 1.54; 95% confidence interval 1.00-2.38; P = 0.052), or major bleeding events (odds ratio 0.74; 95% confidence interval 0.49-1.11; P = 0.14). There was no signific...Continue Reading

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