Opioid Avoidance in Liver Transplant Recipients: Reduction in Postoperative Opioid Use Through a Multidisciplinary Multimodal Approach

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Abstract

The prevalence of substance use disorder in the liver transplantation (LT) population makes postoperative pain management challenging. We report our initial experience with a novel, comprehensive, multidisciplinary opioid avoidance pathway in 13 LT recipients between January 2018 and September 2019. Patients received comprehensive pre-LT education on postoperative opioid avoidance by the surgeon, pharmacist, and psychologist at the time of listing. Immediately after LT, patients received a continuous incisional ropivacaine infusion, ketamine, acetaminophen, and gabapentin as standard nonopioid medications; rescue opioids were used as needed. We compared outcomes with a historical cohort of 27 LT recipients transplanted between August 2016 and January 2018 managed primarily with opioids. On average, opioid avoidance patients used 92% fewer median (interquartile range [IQR]) morphine milligram equivalents (MMEs) versus the historical cohort (7 [1-11] versus 87 [60-130] MME; P < 0.001) per postoperative day over a similar length of stay (8 [7-10] versus 6 [6-10] days; P = 0.14). Fewer outpatient MMEs were prescribed within the first 60 days after LT in the opioid avoidance group versus the historical cohort: 125 (25-150) versus 270 (0-463) MME (P = 0.05). This proof-of-concept study outlines the potential to profoundly reduce opioid utilization in the LT population using a comprehensive multidisciplinary approach.

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