Journal
AMERICAN JOURNAL OF SURGERY
Volume 223, Issue 5, Pages 832-838Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjsurg.2021.09.019
Keywords
Appendectomy; Intraoperative local anesthesia; Liposomal bupivacaine; Opioid; Visual analog scale for pain; Post-operative pain
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Funding
- White Research Institute
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This study found that intraoperative use of liposomal bupivacaine during laparoscopic appendectomy can reduce inpatient opioid use without significantly increasing post-operative pain scores.
Background: Laparoscopic appendectomy is standard of care for appendicitis in the US. Pain control that limits opioids is an important area of research given the opioid epidemic. This study examined post-appendectomy inpatient opioid use and pain scores following intraoperative use of liposomal bupivacaine (LB) versus non-liposomal bupivacaine. Methods: This was a retrospective cohort study of 155 adults who underwent laparoscopic appendectomy for acute appendicitis. Patients were divided into four cohorts based on the analgesia administered: (i) bupivacaine hydrochloride (BH)& PLUSMN; epinephrine; (ii) undiluted LB; (iii) LB diluted with normal saline; and (iv) LB diluted with BH. Results: Baseline demographic/clinical attributes, intra-operative findings, and post-operative pain scores were equivalent across cohorts. Post-operative pre-discharge opioid use was higher in the BH vs. LB cohorts (mean 60.4 vs. 46.0, 35.5, and 30.4 morphine milligram equivalents, respectively; p < 0.001). Conclusions: Pre-emptive analgesia with LB during laparoscopic appendectomy can reduce inpatient opioid use without significantly increasing post-operative pain scores.
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