• Edgar M Wong-Lun-Hing, Ronald M van Dam, Fenella K S Welsh, John K G Wells, Timothy G John, Adrian B Cresswell, Cornelis H C Dejong, and Myrddin Rees.
• Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands.
• HPB (Oxford). 2014 Jul 1;16(7):601-9.

ObjectivesThere is debate concerning the best mode of delivery of analgesia following liver resection, with continuous i.m. infusion of bupivacaine (CIB) plus patient-controlled i.v. analgesia (PCA) suggested as an alternative to continuous epidural analgesia (CEA). This study compares these two modalities.MethodsA total of 498 patients undergoing major hepatectomy between July 2004 and July 2011 were included. Group 1 received CIB + PCA (n = 429) and Group 2 received CEA (n = 69). Groups were analysed on baseline patient and surgical characteristics. Primary endpoints were pain severity scores and total opioid consumption. Secondary endpoints were pain management failures, need for rescue medication, postoperative (opioid-related) morbidity and hospital length of stay (LoS).ResultsIn both groups pain was well controlled and >70% of patients had no or minimal pain on PoDs 1 and 2. The numbers of patients experiencing severe pain were similar in both groups: PoD 1 at rest: 0.3% in Group 1 and 0% in Group 2 (P = 1.000); PoD 1 on movement: 8% in Group 1 and 2% in Group 2 (P = 0.338); PoD 2 at rest: 0% in Group 1 and 2% in Group 2 (P = 0.126), and PoD 2 on movement: 5% in Group 1 and 5% in Group 2 (P = 1.000). Although the CIB + PCA group required more opioid rescue medication on PoD 0 (53% versus 22%; P < 0.001), they used less opioids on PoDs 0-3 (P ≤ 0.001), had lower morbidity (26% versus 39%; P = 0.018), and a shorter LoS (7 days versus 8 days; P = 0.005).ConclusionsThe combination of CIB + PCA provides pain control similar to that provided by CEA, but facilitates lower opioid consumption after major hepatectomy. It has the potential to replace epidural analgesia, thereby avoiding the occurrence of rare but serious complications.© 2013 International Hepato-Pancreato-Biliary Association.

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