• Pavan Parikh, Imran Sunesara, Sukhpreet Singh Multani, Brandy Patterson, Elizabeth Lutz, and James N Martin.
• a Department of Obstetrics and Gynecology , the University of Mississippi Medical Center , Jackson , MS , USA.
• J. Matern. Fetal. Neonatal. Med. 2019 Mar 1; 32 (6): 966-970.

PurposeThe efficacy of long-acting intraincisional bupivacaine in reducing postoperative opioid use among women who have undergone a cesarean is currently unknown.Materials And MethodsThis was a retrospective case-control study with a 1:1 allocation. We identified 40 patients in each group, for a total of 80. The treatment group was administered 266 mg of liposomal bupivacaine after completion of the cesarean and was compared to historical controls. Data regarding anesthesia administered, opioid consumption, nonsteroidal anti-inflammatory use, acetaminophen use, type of cesarean, reason for cesarean, and length of postoperative stay were recorded.ResultsThe treatment group used 41.51 mg of morphine equivalents, while the control group consumed 69.90 mg (p < .001); multivariate analysis demonstrated a mean difference of 26.52 mg (95%CI 12.76-40.28). Univariate analysis demonstrated mean difference in intravenous (IV) ketorolac (40.77 mg, p < .001) and IV acetaminophen (1333.33 mg, p < .001) was different and greater in the treatment group; this was controlled for in the multivariate model. There was no difference in oral and IV ibuprofen or oral acetaminophen use between groups. There were no differences between the type of anesthesia, length of stay, reason for cesarean, and classical sections between groups.ConclusionsIncisional administration of liposomal bupivacaine may be an effective adjunct in reducing opioid use postoperatively and may be a useful adjunct within an enhanced recovery program.

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