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Intra OP Predictors of Prolonged Invasive Mechanical Ventilation and Hospital Stay after Off Pump Coronary Artery Bypass Grafting

The last decade has seen significant advances in the treatment of coronary artery disease (CAD). Drug eluting stent and off pump CABG (OPCAB) are emerged as the alternative methods of coronary revascularization that avoids the use of cardiopulmonary bypass (CPB). The avoidance of CPB during OPCAB has made the operation equivalent to any other major non cardiac surgical procedure. This has led the cardiac anaesthesiologist to believe elective post operative ventilation may not always be necessary in these patients.