• Lawrence D Dorr, Julio Raya, William T Long, Myriam Boutary, and Leigh Ellen Sirianni.
• The Arthritis Institute, Inglewood, California 90301, USA.
• J Arthroplasty. 2008 Jun 1;23(4):502-8.

AbstractUse of parenteral narcotics after total knee arthroplasty is considered by most orthopedic surgeons to be the standard of care. This study tested the hypothesis that a multimodal oral pain medication protocol could control pain and minimize complications of parenteral narcotics. Postoperative oral analgesia was augmented with either continuous epidural infusion or continuous femoral infusion using ropivacaine only. Seventy patients had total knee arthroplasty with a protocol that included preemptive oral analgesics, epidural anesthesia, pericapsular analgesic injection, and postoperative analgesia without parenteral opioids. The average daily pain score was less than 4 out of 10, nausea occurred in 15 patients (21%), emesis in 1 patient (1.4%), and there were no severe complications. This study proved the hypothesis that pain after total knee arthroplasty could be effectively managed without routine use of parenteral opioids.

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