Clopidogrel Monotherapy versus Aspirin Monotherapy in Patients with Established Cardiovascular Disease: Systematic Review and Meta-Analysis

氯吡格雷 医学 阿司匹林 内科学 优势比 心肌梗塞 狼牙棒 荟萃分析 随机对照试验 冲程(发动机) 科克伦图书馆 相对风险 不利影响 置信区间 经皮冠状动脉介入治疗 工程类 机械工程
作者
Panagiotis Tasoudis,Ioannis Kyriakoulis,Dimitrios Sagris,Hans Christoph Diener,George Ntaios
出处
期刊:Thrombosis and Haemostasis [Thieme Medical Publishers (Germany)]
卷期号:122 (11): 1879-1887 被引量:7
标识
DOI:10.1055/a-1853-2952
摘要

Background There is no clear consensus on whether aspirin offers better outcomes in terms of secondary cardiovascular disease prevention compared with clopidogrel. Objective The aim of the study was to compare the safety and efficacy of clopidogrel versus aspirin in patients with established cardiovascular disease. Methods A systematic review of MEDLINE (via PubMed), Scopus, and Cochrane Library databases (last search date: August 28, 2021) was performed according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) statement for randomized control trials (RCTs) of clopidogrel versus aspirin as monotherapy in patients with established cardiovascular disease. Random-effects meta-analyses were performed. Results Five RCTs incorporating 26,855 patients (clopidogrel: 13,426; aspirin: 13,429) were included. No statistically significant difference was observed between clopidogrel and aspirin in terms of all-cause mortality (odds ratio [OR]: 1.01 [95% confidence interval, CI: 0.91–1.13]; p = 0.83), ischemic stroke (OR: 0.87 [95% CI: 0.71–1.06]; p = 0.16), and major bleeding rates (OR: 0.77 [95% CI: 0.56–1.06]; p = 0.11). Patients receiving clopidogrel had borderline lower risk for major adverse cardiovascular events (MACE) (OR: 0.84 [95% CI: 0.71–1.00]; p = 0.05) and lower risk for nonfatal myocardial infarction (OR: 0.83 [95% CI: 0.71–0.97]; p = 0.02, relative risk reduction = 16.9%, absolute risk reduction = 0.5%, number needed to treat = 217 for a mean period of 20 months) compared with patients receiving aspirin. Conclusion In patients with established cardiovascular disease, clopidogrel was associated with a 17% relative-risk reduction for nonfatal MI, borderline decreased risk for MACE, and similar risk for all-cause mortality, stroke, and major bleeding compared with aspirin. Protocol Registration PROSPERO CRD42021283866.
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