This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

Randomized clinical trial comparing laparoscopic versus ultrasound-guided transversus abdominis plane block in minimally invasive colorectal surgery. Dis Colon Rectum 2019; 62: 203-210

Published: 6th January 2020

Authors: Zaghiyan KN, Mendelson BJ, Eng MR, Ovsepyan GM, Mirocha JM, Fleshner P et al.

Conclusion

In this trial that included 107 procedures, morphine use within the first 48h was reduced most by laparoscopic transversus abdominis plane (TAP) block, which was superior to ultrasound-guided TAP block (P=0.03) and no block (P=0.007). Overall complications were similar.

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Effect of intravenous acetaminophen on postoperative hypoxemia after abdominal surgery. The FACTOR Randomized Clinical Trial. JAMA 2020; 324: 350-358.

Authors: Turan A, Essber H, Saasouh W, Hovsepyan K, Makarova I, Ayad S et al.

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Efficacy and safety of patient-controlled analgesia compared with epidural analgesia after open hepatic resection. A systematic review and meta-analysis. Ann Surg 2019; 270: 200-208

Authors: Li J, Pourrahmat M-M, Vasilyeva E, Kim P, Osborn J, Wiseman S et al.

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Intravenous patient-controlled analgesia versus thoracic epidural analgesia after open liver surgery. A prospective, randomized, controlled, noninferiority trial. Ann Surg 2019; 270: 193-199

Authors: Hausken J, Fretland AA, Edwin B, Andersen MH, Dagenborg VJ, Bjørnelv GMW et al.

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Transversus abdominis plane block in laparoscopic colorectal surgery: a systematic review. Dis Colon Rectum 2019; 62: 1248-1255

Authors: Wu RC, Jensen CC, Douaiher J, Madoff RD, Kwaan MR

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A 96‐hour continuous wound infiltration with ropivacaine reduces analgesic consumption after liver resection: A randomized, double‐blind, controlled trial. J Surg Oncol 2019; 119: 47-55

Authors: Peres‐Bachelot V, Blanc E, Oussaid N, Perol D, Daunizeau-Walker AL, Pouderoux S et al.

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Conventional epidural vs transversus abdominis plane block with liposomal bupivacaine: a randomized trial in colorectal surgery. J Am Coll Surg 2018; 227: 78–83.

Authors: Torgeson M, Kileny J, Pfeifer C, Narkiewicz L, Obi S

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Preperitoneal or subcutaneous wound catheters as alternative for epidural analgesia in abdominal surgery. A systematic review and meta-analysis. Ann Surg 2019; 269: 252-260.

Authors: Mungroop T, Bond M, Lirk P, Busch O, Hollmann MW, Veelo D et al.

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Systematic review and meta-analysis of epidural analgesia versus different analgesic regimes following oesophagogastric resection. World J Surg 2018; 42: 204-210.

Authors: Hughes M, Yim I, Deans DAC, Couper GW, Lamb P, Skipworth RJE et al.

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Effect of perioperative gabapentin on postoperative pain resolution and opioid cessation in a mixed surgical cohort. A randomized clinical trial. JAMA Surg 2018; 153: 303-311.

Authors: Ha J , Mackey SC, Schmidt P, McCue R, Humphreys K, Trafton J et al.

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Pain control with continuous infusion preperitoneal wound catheters versus continuous epidural analgesia in colon and rectal surgery: a randomized controlled trial. Am J Surg 2018: 215: 570-576.

Authors: Mouawad N, Leichtle SW, Kaoutzanis C, Welch K, Winter S, Lampman R et al.

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Analgesia with continuous wound infusion of local anesthetic versus saline: double-blind randomized, controlled trial in hepatectomy. Am J Surg 2018; 215: 138e-143.

Authors: Dalmau A, Fustran N, Camprubi I, Sanzol R, Redondo S, Ramos E et al.

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A randomized controlled trial of postoperative thoracic epidural analgesia versus intravenous patient-controlled analgesia after major hepatopancreatobiliary surgery. Ann Surg 2017; 266: 545-554.

Authors: Aloia T, Kim BJ, Segraves-Chun Y-S, Cata JP, Truty MJ, Shi Q et al.