Remifentanil for the insertion and removal of long-term central venous access during monitored anesthesia care.

Study Objective: To determine the analgesic efficacy of three different rates of remifentanil infusion in patients undergoing insertion or removal of long-term central venous access devices during monitored anesthesia care and local anesthetic field infiltration.

Design: Double-blinded, randomized, controlled study.

Setting: Operating theatre of an University hospital.