期刊
JACC-CARDIOVASCULAR INTERVENTIONS
卷 2, 期 8, 页码 739-747出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2009.05.020
关键词
left main coronary artery; stent; coronary artery bypass surgery; coronary artery disease
Objectives This study sought to understand the total weight of evidence regarding outcomes in coronary artery bypass grafting (CABG) versus percutaneous coronary intervention (PCI) in unprotected left main coronary artery (ULMCA) stenosis. Background Following a diagnosis of significant ULMCA stenosis in an individual that is a candidate for surgery, CABG is recommended by the American College of Cardiology/American Heart Association guidelines, whereas PCI is not recommended (Class III). Methods Databases were searched for clinical studies that reported outcomes after PCI and CABG for the treatment of ULMCA stenosis. Ten studies were identified that included a total of 3,773 patients. Results Meta-analysis showed that death, myocardial infarction, and stroke (major adverse cardiovascular or cerebrovascular events) were similar in the PCI- and CABG-treated patients at 1 year (odds ratio [OR]: 0.84 [95% confidence interval: 0.57 to 1.22]), 2 years (OR: 1.25 [95% CI: 0.81 to 1.94]), and 3 years (OR: 1.16 [95% CI: 0.68 to 1.98]). Target vessel revascularization was significantly higher in the PCI group at 1 year (OR: 4.36 [95% CI: 2.60 to 7.32]), 2 years (OR: 4.20 [95% CI: 2.21 to 7.97]), and 3 years (OR: 3.30 [95% CI: 0.96 to 11.33]). There was no difference in mortality in PCI-versus CABG-treated patients at 1 year (OR: 1.00 [95% CI: 0.70 to 1.41]), 2 years (OR: 1.27 [95% CI: 0.83 to 1.94]), and 3 years (OR: 1.11 [95% CI: 0.66 to 1.86]). Conclusions Our analysis reveals no difference in mortality or major adverse cardiovascular or cerebrovascular events, for up to 3 years, between PCI and CABG for the treatment of ULMCA stenosis. However, PCI patients had a significantly higher risk of target vessel revascularization. In selected patients with ULMCA stenosis, PCI is emerging as an acceptable option. (J Am Coll Cardiol Intv 2009;2:739-47) (C) 2009 by the American College of Cardiology Foundation
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