Antithrombotic Regimens for Patients Taking Oral Anticoagulation After Coronary Intervention: A Meta-analysis of 16 Clinical Trials and 9,185 Patients

The optimal antithrombotic regimen remains controversial in patients taking oral anticoagulation (OAC) undergoing coronary stenting. This study sought to compare efficacy and safety outcomes of triple therapy (OAC, aspirin, and clopidogrel) vs dual therapy (clopidogrel with aspirin or OAC) in these...

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Published in:Clinical cardiology (Mahwah, N.J.) N.J.), 2015-08, Vol.38 (8), p.499-509
Main Authors: Gao, Xiao-Fei, Chen, Yan, Fan, Zhong-Guo, Jiang, Xiao-Min, Wang, Zhi-Mei, Li, Bing, Mao, Wen-Xing, Zhang, Jun-Jie, Chen, Shao-Liang
Format: Article
Language:English
Subjects:
Anticoagulants - administration & dosage
Anticoagulants - adverse effects
Anticoagulants - therapeutic use
Drug Therapy, Combination
Female
Fibrinolytic Agents - administration & dosage
Fibrinolytic Agents - adverse effects
Fibrinolytic Agents - therapeutic use
Humans
Male
Percutaneous Coronary Intervention - adverse effects
Treatment Outcome
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container_issue 8
container_start_page 499
container_title Clinical cardiology (Mahwah, N.J.)
container_volume 38
creator Gao, Xiao-Fei
Chen, Yan
Fan, Zhong-Guo
Jiang, Xiao-Min
Wang, Zhi-Mei
Li, Bing
Mao, Wen-Xing
Zhang, Jun-Jie
Chen, Shao-Liang
description The optimal antithrombotic regimen remains controversial in patients taking oral anticoagulation (OAC) undergoing coronary stenting. This study sought to compare efficacy and safety outcomes of triple therapy (OAC, aspirin, and clopidogrel) vs dual therapy (clopidogrel with aspirin or OAC) in these patients. We hypothesize OAC plus clopidogrel could be the optimal regimen for patients with indications for OAC receiving stent implantation. Medline, the Cochrane Library, and other Internet sources were searched for clinical trials comparing the efficacy and safety of triple vs dual therapy for patients taking OAC after coronary stenting. Sixteen eligible trials including 9185 patients were identified. The risks of major adverse cardiac events (odds ratio [OR]: 1.06, 95% confidence interval [CI]: 0.82-1.39, P = 0.65), all-cause mortality (OR: 0.98, 95% CI: 0.76-1.27, P = 0.89), myocardial infarction (OR: 1.01, 95% CI: 0.77-1.31, P = 0.97), and stent thrombosis (OR: 0.91, 95% CI: 0.49-1.69, P = 0.75) were similar between triple and dual therapy. Compared with dual therapy, triple therapy was associated with a reduced risk of ischemic stroke (OR: 0.57, 95% CI: 0.35-0.94, P = 0.03) but with higher major bleeding (OR: 1.52, 95% CI: 1.11-2.10, P = 0.01) and minor bleeding (OR: 1.59, 95% CI: 1.05-2.42, P = 0.03). Subgroup analysis indicated there were similar ischemic stroke and major bleeding outcomes between triple therapy and therapy with OAC plus clopidogrel. Treatment with OAC and clopidogrel was associated with similar efficacy and safety outcomes compared with triple therapy. Triple therapy could be replaced by OAC plus clopidogrel without any concern about additional risk of thrombotic events.
doi_str_mv 10.1002/clc.22411
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This study sought to compare efficacy and safety outcomes of triple therapy (OAC, aspirin, and clopidogrel) vs dual therapy (clopidogrel with aspirin or OAC) in these patients. We hypothesize OAC plus clopidogrel could be the optimal regimen for patients with indications for OAC receiving stent implantation. Medline, the Cochrane Library, and other Internet sources were searched for clinical trials comparing the efficacy and safety of triple vs dual therapy for patients taking OAC after coronary stenting. Sixteen eligible trials including 9185 patients were identified. The risks of major adverse cardiac events (odds ratio [OR]: 1.06, 95% confidence interval [CI]: 0.82-1.39, P = 0.65), all-cause mortality (OR: 0.98, 95% CI: 0.76-1.27, P = 0.89), myocardial infarction (OR: 1.01, 95% CI: 0.77-1.31, P = 0.97), and stent thrombosis (OR: 0.91, 95% CI: 0.49-1.69, P = 0.75) were similar between triple and dual therapy. Compared with dual therapy, triple therapy was associated with a reduced risk of ischemic stroke (OR: 0.57, 95% CI: 0.35-0.94, P = 0.03) but with higher major bleeding (OR: 1.52, 95% CI: 1.11-2.10, P = 0.01) and minor bleeding (OR: 1.59, 95% CI: 1.05-2.42, P = 0.03). Subgroup analysis indicated there were similar ischemic stroke and major bleeding outcomes between triple therapy and therapy with OAC plus clopidogrel. Treatment with OAC and clopidogrel was associated with similar efficacy and safety outcomes compared with triple therapy. 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subjects Anticoagulants - administration & dosage
Anticoagulants - adverse effects
Anticoagulants - therapeutic use
Drug Therapy, Combination
Female
Fibrinolytic Agents - administration & dosage
Fibrinolytic Agents - adverse effects
Fibrinolytic Agents - therapeutic use
Humans
Male
Percutaneous Coronary Intervention - adverse effects
Treatment Outcome
title Antithrombotic Regimens for Patients Taking Oral Anticoagulation After Coronary Intervention: A Meta-analysis of 16 Clinical Trials and 9,185 Patients
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