Abstract
Data comparing results of off-pump and conventional operations in octogenarians is very limited. Thus we chose to compare early adverse events between off-pump coronary artery bypass grafting (OPCABG) and on-pump CABG (ONCABG) in patients older than 80 years. Systematic review of multiple databases was performed to obtain original studies fulfilling search criteria. End points--early mortality, stroke, respiratory failure, atrial fibrillation, and myocardial infarction--were compared between these cohorts. A random-effects weighted analysis was performed using the trim-fill adjustment when necessary. Results are presented as risk ratios (RRs) with 95% confidence intervals (CIs); p < 0.05 is considered statistically significant. Sixteen retrospective studies (9,744 ONCABG and 8,566 OPCABG patients) were included in the systematic review. OPCAGB patients received significantly fewer grafts (2.54 ± 0.16) compared with ONCABG patients (3.22 ± 0.41). Early mortality was comparable at 4.6% and 5.2% in the OPCABG and ONCABG cohorts, respectively (risk ratio [RR], 0.91; 95% CI, 0.64-1.28; p = 0.598). Stroke rates were higher in the ONCABG cohort (RR, 0.65; 95% CI, 0.49- 0.87; p < 0.01). Respiratory failure was higher with ONCABG (RR, 0...Continue Reading
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