Randomized Controlled Trial
A comparison of five solutions of local anaesthetics and/or sufentanil for continuous, postoperative epidural analgesia after major urological surgery.
Eur J Anaesthesiol. 2001 Jul 1;18(7):450-7.
Randomized Controlled Trial
Patient-controlled epidural analgesia reduces analgesic requirements compared to continuous epidural infusion after major abdominal surgery.
Can J Anaesth. 2003 Mar 1;50(3):258-64.
Randomized Controlled Trial
Comparison of continuous epidural infusion of ropivacaine and sufentanil with intravenous patient-controlled analgesia after total hip replacement.
Anaesthesia. 2001 Dec 1;56(12):1189-93.