Desflurane Versus Propofol Anesthesia for Off-Pump CABG

The purpose of this study is to prove if anesthesia maintained with the inhaled volatile anesthetic desflurane is superior to the intravenously applied propofol anesthesia in off-pump coronary artery bypass grafting (OP-CABG) surgery as measured by following parameters: 1. hemodynamic parameters during and after the operation, 2. pulmonary gas exchange, need for mechanical ventilation and for ICU and intrahospital stay, 3. release of heart muscle injury markers in response to surgery and intraoperative ischaemia, 4. inflammatory response to the operation. We suspect that insufflation anesthesia with desflurane may be superior to intravenous anesthesia with propofol.