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Safety and Efficacy of Liposomal Bupivacaine Supraclavicular Nerve Blocks in Open Treatment of Distal Radius Fractures: A Perioperative Pain Management Protocol.

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INTRODUCTION Distal radius fractures (DRFs) are common fractures requiring surgical fixation. The literature varies regarding opioid prescribing habits, opioid consumption, and postoperative pain scores. We hypothesized that the preoperative administration… Click to show full abstract

INTRODUCTION Distal radius fractures (DRFs) are common fractures requiring surgical fixation. The literature varies regarding opioid prescribing habits, opioid consumption, and postoperative pain scores. We hypothesized that the preoperative administration of a liposomal bupivacaine (LB) supraclavicular nerve block would be safe and effective in controlling postoperative pain. METHODS A standardized pain management protocol was implemented at a single institution from July 2021 to March 2022 for patients undergoing open reduction internal fixation of DRF. Protocol elements included a preoperative LB supraclavicular nerve block and a multimodal postoperative pain regimen. Primary clinical outcomes included postoperative pain scores and number of opioid tablets consumed. RESULTS Twenty patients underwent a newly implemented protocol. The average age was 56 years. Mean number of oxycodone 5-mg tablets consumed was 4.1 (median, 2.5), and mean visual analog scale pain score at first postoperative appointment was 2.8. There were no incidences of missed acute carpal tunnel postoperatively. When compared with an institutional historical control (n = 189), number of opioid pills prescribed was reduced by 60% (21.4 vs 8.6 tablets, P < 0.0001), and no patients had unscheduled health care contact because of uncontrolled pain (22% vs 0%, P < 0.016). CONCLUSIONS Liposomal bupivacaine supraclavicular nerve blocks are safe and effective in the treatment of postoperative pain after open reduction internal fixation of DRF. Patients consumed <5 oxycodone tablets on average, which is less than many recommend prescribed quantities (>20-30 tablets). Patients had low pain scores (2.8/10) at the first postoperative follow-up. To our knowledge, this is the first study demonstrating the utility of LB in this clinical setting.

Keywords: supraclavicular nerve; postoperative pain; liposomal bupivacaine; pain; protocol

Journal Title: Annals of plastic surgery
Year Published: 2023

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