• J A Doble, J S Winder, S R Witte, and E M Pauli.
• Division of Minimally Invasive and Bariatric Surgery, Department of Surgery, Penn State Hershey Medical Center, 500 University Drive, Hershey, PA, 17033-0850, USA.
• Hernia. 2018 Aug 1; 22 (4): 627-635.

PurposeTransversus abdominis plane (TAP) blockade with long-acting anesthetic can be used during open ventral hernia repair (VHR) with posterior component separation (PCS). TAP block can be performed under ultrasound guidance (US-TAP) or under direct visualization (DV-TAP). We hypothesized that US-TAP and DV-TAP provide equivalent postoperative analgesia following open VHR.MethodsA retrospective review of patients undergoing open VHR with PCS who received TAP blocks with 266 mg of liposomal bupivacaine was performed. Data included demographics, comorbidities, length of stay (LOS), average postoperative day (POD) pain scores, and narcotic requirements (normalized to mg oral morphine). Statistical analysis utilized Student's t test and Fisher's exact test.ResultsThirty-nine patients were identified (22 DV-TAP). There were no differences between the groups with respect to demographics, comorbidities, pre-operative pain medication usage (narcotic and non-narcotic) or herniorrhaphy-related data. The average POD0 pain score was lower for the DV-TAP group (2.35 vs 4.18; p = 0.019). Narcotic requirements on POD0 (48.0 vs 103.76 mg; p = 0.02), POD1 (128.45 vs 273.82 mg; p = 0.03), POD4 (54.29 vs 160.75 mg; p = 0.042), and during the complete hospitalization (408.52 vs 860.92 mg; p = 0.013) were lower in the DV-TAP group. There were no differences between initiation of diet or LOS. During the study, no changes were made to the VHR enhanced recovery pathway.ConclusionsDV-TAP blocks appear to provide superior analgesia in the immediate postoperative period. To achieve similar post-operative pain scores, patients in the US-TAP group required significantly more narcotic administration during their hospitalization. The study highlights DV-TAP as a valuable addition to VHR recovery pathways.

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