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Percutaneous coronary intervention (PCI) and minimally invasive direct coronary artery bypass (MIDCAB) grafting are both established therapeutic options for single-vessel disease of the left anterior descending artery (LAD). The present systematic review with meta-analysis aims to determine the current strength of evidence for or against PCI and MIDCAB for revascularization of the LAD. Therefore, we performed a meta-analysis of randomized, controlled trials (RCTs) and observational trials (OTs) that reported clinical outcome after isolated LAD revascularization. Analysed postoperative outcomes included major adverse cardiac and cerebrovascular events (MACCEs), all-cause mortality, myocardial infarction and stroke. Pooled treatment effects [odds ratio (OR) or weighted mean difference (WMD), 95% confidence intervals (95% CI)] were assessed using a fixed- or random-effects model. A total of 2885 patients from 12 studies (6 RCTs, 6 OTs) were identified after a literature search of major databases using a predefined list of keywords. PCI of the LAD was performed in 60.7% (n = 1751) and MIDCAB in 39.3% of patients (n = 1126). Pooled-effect estimates revealed an increased incidence for MACCEs after PCI (OR 1.98; 95% CI 1.45-2.69; P &lt; 0.0001) 6 months after the procedure. Especially, PCI was particularly associated with an increased odds for target vessel revascularization (OR 2.11; 95% CI 1.00-4.47; P = 0.0295). No differences with regard to stroke, myocardial infarction and all-cause mortality were observed between both revascularization strategies. Patients after PCI had a shorter length of hospital stay (WMD -3.37 days; 95% CI (-)4.92 to (-)1.81; P &lt; 0.0001). In conclusion, the present systematic review underscores the superiority of MIDCAB over PCI for treatment of single-vessel disease of the LAD.

european journal of cardio-thoracic surgery

Minimally invasive direct coronary bypass grafting versus percutaneous coronary intervention for single-vessel disease: a meta-analysis of 2885 patients†