Intra-Articular Bupivacaine Reduces Postoperative Pain and Meperidine Use After Total Hip Arthroplasty: A Randomized, Double-Blind Study

Abstract One hundred patients receiving unilateral total hip arthroplasty (THA) were randomized to receive an intra-articular injection of 300 mg bupivacaine or normal saline after completion of surgery. Pain scores of the bupivacaine group were significantly lower than those of the control group the first 12 hours postoperatively (all, P P