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Off-pump versus on-pump coronary surgery in patients with chronic kidney disease: a meta-analysis.

Research paper by Yushu Y Wang, Sui S Zhu, Peijuan P Gao, Juteng J Zhou, Qing Q Zhang

Indexed on: 22 Jun '17Published on: 22 Jun '17Published in: Clinical and Experimental Nephrology



Abstract

Patients with chronic kidney disease (CKD) have worse adverse cardiovascular outcomes after coronary artery bypass grafting (CABG). However, the adverse cardiovascular outcomes between off-pump coronary artery bypass grafting (OPCAB) versus on-pump coronary artery bypass grafting (ONCAB) in these patients have been a subject of debate.We undertook a comprehensive literature search of PubMed, Embase, and the Cochrane Library database to identify all relevant studies comparing techniques between OPCAB and ONCAB in CKD patients. We pooled the odds ratios (ORs) and hazard ratios (HRs) from individual studies and conducted heterogeneity, quality assessment, and publication bias analyses.This meta-analysis includes 17 studies with 201,889 patients. In CKD patients, OPCAB was associated with significantly lower early mortality as compared to ONCAB (OR 0.88; 95% CI 0.82-0.93; p < 0.0001). OPCAB was associated with decreased risk of atrial fibrillation (OR 0.57; 95% CI 0.34-0.97; p = 0.04), cerebrovascular accident (OR 0.46; 95% CI 0.22-0.95; p = 0.04), blood transfusion (OR 0.20; 95% CI 0.08-0.49; p = 0.0005), pneumonia, prolonged ventilation, and shorter hospital stays. No difference was found regarding long-term survival (HR 1.08; 95% CI 0.86-1.36; p = 0.51) or myocardial infarction (OR 0.65; 95% CI 0.30-1.38; p = 0.26).Compared with ONCAB, OPCAB is associated with superior postoperative morbidity and the early mortality in CKD patients. Long-term survival is comparable between the two surgical revascularizations.

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