Intrathecal sufentanil is more potent than intravenous for postoperative analgesia after total-hip replacement.


BACKGROUND AND OBJECTIVES In our clinical experience, sufentanil is more effective when administered intrathecally than intravenously. To test this hypothesis, we compared the analgesic characteristics of 7.5 microg of intrathecal or intravenous sufentanil for pain relief after total-hip replacement. METHODS A randomized, double-blind study was conducted… (More)