Abstract
This study evaluated the use of intraoperative local injection of liposomal bupivacaine to decrease opioid use in the early postoperative period for patients undergoing outpatient thumb carpometacarpal joint arthroplasty. A prospective, randomized, controlled, single-blinded study was designed to compare 2 groups of patients for opioid use, pain scores, and nonopioid pill consumption within 5 days after surgery. The investigational group received an intraoperative injection of 10 ml (133 mg) liposomal bupivacaine. The control group received no local anesthetic. All patients were anesthetized with a standardized supraclavicular nerve block and were prescribed equal amounts of oral narcotic analgesic. Outcomes were assessed by collecting the data from postoperative patient-reported diaries. The experimental group reported a significantly lower total opioid consumption for the 5 days after surgery. Daily opioid use, as measured by both opioid pill equivalent count and morphine milligram equivalent in addition to postoperative pain scores and nonopioid pill consumption, was not different between groups. Intraoperative injection of liposomal bupivacaine was shown to decrease total opioid intake during the 5 days after thumb carpometacarpal arthroplasty. Therapeutic II.
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