• J Knee Surg · Jan 2005

    Randomized Controlled Trial Comparative Study Clinical Trial

    Comparison of the analgesic effects of intra-articular injections administered preoperatively and postoperatively in knee arthroscopy.

    • Ryan C Goodwin and Richard D Parker.
    • Department of Orthopedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.
    • J Knee Surg. 2005 Jan 1;18(1):17-24.

    AbstractPerioperative injection of analgesic agents is widely used for postoperative pain control following knee arthroscopy. This prospective, randomized, double-blind study explored whether a preoperative analgesic injection offered better pain control than a postoperative injection. Patients undergoing knee arthroscopy under general anesthesia were randomized to receive a standardized combination of intra-articular bupivacaine, morphine, and epinephrine administered either 20 minutes prior to incision or at the end of the procedure. Outcome measures included visual analog pain scores at 0, 30, 60, 90, and 120 minutes after the procedure, total recovery room fentanyl consumption, total oral narcotics consumption for the first 24 hours after surgery, and a validated pain and satisfaction instrument. Of the 22 patients enrolled in the study, 21 successfully completed the study protocol. Pain scores, narcotics consumption, and overall patient satisfaction were not significantly different between the two groups. These findings indicate the timing of intra-articular analgesic injections during outpatient knee arthroscopy, either preoperatively or postoperatively, may be at the discretion of the surgeon.

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