• Alice H Li, Cliff Schmiesing, and Anuj K Aggarwal.
• Department of Anesthesia, Stanford University, Stanford, CA.
• Clin J Pain. 2020 Oct 1; 36 (10): 764-774.

ObjectiveGiven there are conflicting recommendations for the perioperative management of buprenorphine, we conducted a retrospective cohort study of our surgery patients on buprenorphine whose baseline dose had been preoperatively continued, tapered, or discontinued.Materials And MethodsWe reviewed charts of patients on buprenorphine who had received elective surgery at Stanford Healthcare from January 1, 2013 to June 30, 2016. Our primary outcome of interest was the change in pain score, defined as mean postoperative pain score-preoperative pain score. We also collected data on patients' tapering procedure and any postoperative nonbuprenorphine opioid requirements.ResultsOut of ∼1200 patients on buprenorphine, 121 had surgery of which 50 were admitted and included in the study. Perioperative continuation of transdermal buprenorphine resulted in a significantly lower change in pain score postoperatively (0.606±0.878) than discontinuation (4.83±1.23, P=0.012). Among sublingual patients, there was no statistically significant difference in the change in pain score between those who were tapered to a nonzero dose versus discontinued (P=0.55). Continuation of sublingual buprenorphine resulted in fewer nonbuprenorphine scheduled opioid prescriptions than its taper or discontinuation (P=0.028). Finally, tapers were performed with great variability in the tapering team and rate of taper.DiscussionOn the basis of our findings, we implemented a policy at our institution for the continuation of perioperative buprenorphine whenever possible. Our work reveals crucial targets for the education of perioperative healthcare providers and the importance of coordination among all perioperative services and providers.

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