• Katie G Egan, Rachel Guest, Lauren M Sinik, Niaman Nazir, Martin De Ruyter, Satish Ponnuru, and Dhaval Bhavsar.
• Department of Plastic Surgery, University of Kansas Medical Center, Kansas City, KS.
• J Burn Care Res. 2021 Jul 3.

AbstractSplit thickness skin grafts (STSG) are commonly required in reconstructive surgery but may cause significant pain. The goal of this investigator-initiated trial is to evaluate the effect of liposomal bupivacaine on donor site pain and opioid consumption. A parallel, randomized, controlled trial of adult acute burn patients with <20% total body surface area burns (TBSA) was conducted to evaluate the efficacy of liposomal bupivacaine at STSG donor sites. The control group received standard subcutaneous infiltration of dilute lidocaine solution at the STSG donor site, and the experimental group received dilute liposomal bupivacaine infiltration in a similar fashion. Donor site pain scores and opioid consumption in morphine equivalents (MEE) were evaluated. A total of 25 patients were enrolled in each group. There were no statistical differences in demographic variables, and TBSA was 4.0% in both groups (p=.94). There were no statistical differences in pain scores at any time point postoperatively (mean control range 3.1/10-4.9/10, experimental range 3.3/10-4.3/10, p=.12-.96). There were no statistical differences in opioid consumption at 24, 48, or 72 hours postoperatively between the groups (mean control MEE range 49.3-71.1, experimental MEE range 63.6-75.8, p=.34-.85). The average length of stay was 7.7 days in both groups (p=.88). No adverse events occurred in either group. There is no statistical benefit to the use of liposomal bupivacaine for infiltration at STSG donor sites compared to standard of care with respect to pain control, opioid use, or length of stay when evaluated in a randomized, controlled fashion.© The Author(s) 2021. Published by Oxford University Press on behalf of the American Burn Association. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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