Dexmedetomidine Sedation and Cardiopulmonary Bypass

Anesthesia will be maintained with continuous infusion of dexmedetomidine 0.5-0.7 µg/kg/h in addition to sevoflurane supplementation as required, to maintain arterial blood pressure and heart rate within 20% of preoperative values. Muscle relaxation will be maintained with continuous rocuronium infusion 0.6 mg/kg/h.

Anesthesia will be maintained with continuous infusion of propofol 50-100 µg/kg/min in addition to sevoflurane supplementation as required, to maintain arterial blood pressure and heart rate within 20% of preoperative values. Muscle relaxation will be maintained with continuous rocuronium infusion 0.6 mg/kg/h.