• David Miller, Peter Andriakos, Justin VanBacker, Erin Macbeth, Igor Galay, Dilip Sidhu, Divya Cherukupalli, Edward Lee, Brian Valerian, A David Chismark, Jonathan Canete, and Farzana Afroze.
• Albany Medical College, 43 New Scotland Avenue, Albany, NY, USA.
• BMC Anesthesiol. 2021 May 6; 21 (1): 137.

BackgroundThoracic epidural analgesia has long been a common method of postoperative analgesia for major open abdominal surgeries and is frequently used within enhanced recovery after surgery programs. An alternative postoperative analgesia method is the single shot transversus abdominis plane block, which has shown promising outcomes with respect to total length of stay, cost, pain scores, and decreased opioid usage. However, far less is known regarding continuous transversus abdominis plane analgesia using catheters. We evaluated the total cost-effectiveness of transversus abdominis plane catheter analgesia compared to thoracic epidural analgesia for patients undergoing open colorectal surgeries within the enhanced recovery after surgery program at our institution.MethodsThis cohort study included patients booked under the colorectal surgery enhanced recovery after surgery program from November 2016 through March 2018 who received either bilateral transversus abdominis plane catheters (n = 52) or thoracic epidural analgesia (n = 24).ResultsThere was no difference in total direct cost (p = 0.660) and indirect cost (p = 0.220), and median length of stay (p = 0.664) in the transversus abdominis plane catheter group compared to the thoracic epidural group. Additionally, the transversus abdominis plane catheter group received significantly less morphine equivalents compared to the thoracic epidural group (p = 0.008) and had a lower mean body mass index (p = 0.019). There was no significant difference between the two groups for age (p = 0.820), or sex (p = 0.330).ConclusionsTransversus abdominis plane catheter analgesia is not associated with increased cost or longer hospital stays when compared to thoracic epidural analgesia in patients undergoing open colorectal surgery within an enhanced recovery after surgery program. Furthermore, transversus abdominis plane catheter analgesia led to decreased opioid consumption while maintaining similar pain scores, suggesting similar pain control between the two modalities.

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