期刊
BMC MEDICINE
卷 15, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12916-017-0853-1
关键词
Left main coronary artery disease; Percutaneous coronary intervention; Coronary artery bypass graft surgery; Meta-analysis; Randomized controlled trials; Matched observational studies
资金
- National Natural Science Foundation of China [81600312]
Background: The optimal revascularization technique in patients with left main coronary artery disease (CAD) remains controversial. We aimed to compare the long-term performance of percutaneous coronary intervention (PCI) versus coronary artery bypass graft (CABG) surgery in treatment of left main CAD. Methods: PubMed, EMBASE, and the Cochrane Library were searched until November 16, 2016. Results: Six randomized controlled trials and 22 matched observational studies including 22,487 patients and 90,167 patient-years of follow-up were included. PCI was associated with an overall higher risk for the major adverse cardiac and cerebrovascular events (hazard ratio (HR), 1.42; 95% confidence interval (CI), 1.14-1.77), mainly driven by higher rates of myocardial infarction (HR, 1.69; 95% CI, 1.22-2.34) and revascularization (HR, 2.80; 95% CI, 1.86-4.22). The overall risks for all-cause death (HR, 1.05; 95% CI, 0.93-1.20), cardiac death (HR, 1.05; 95% CI, 0.69-1.59), stroke (HR, 0.64; 95% CI, 0.33-1.24), and the composite safety endpoint of death, myocardial infarction, or stroke (HR, 1.06; 95% CI, 0.97-1.16) were similar between PCI and CABG. Stratified analysis based on stent types showed that the increased risk for myocardial infarction associated with PCI was only evident in patients with bare-metal stents or early-generation drug-eluting stents (DES), but not newer-generation DES. Stratified analyses based on study designs showed largely similar findings with the overall analyses, except for a significantly higher incidence of myocardial infarction in adjusted studies (HR, 2.01; 95% CI, 1.64-2.45) but a trend toward higher incidence in randomized trials (HR, 1.39; 95% CI, 0.85-2.27) associated with PCI. Conclusions: Compared with CABG, PCI with newer-generation DES might be a safe alternative revascularization strategy for treatment of left main CAD, but is associated with more repeat revascularization.
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