Effect of Propofol vs. Sevoflurane on Erections During Narcosis In Transurethral Surgery

"Transurethral surgery at the Department of Urology (University Hospital Zurich) performed under study arm-specific anesthesia.~Propofol will be administered intravenously using the target-controlled infusion algorithm with effect site concentrations between 1.5-4.0 µg/ml necessary."

"Transurethral surgery at the Department of Urology (University Hospital Zurich) performed under study arm-specific anesthesia.~Sevoflurane will be given in gaseous form via the endotracheal tube in concentrations between 1.5-2.5% Vol."