• Stephen Ridley Smith, Brian Draganic, Peter Pockney, Phillip Holz, Ryan Holmes, Brendan Mcmanus, and Rosemary Carroll.
• Division of Surgery, John Hunter Hospital, University of Newcastle, Locked Bag 1, Hunter Regional Mail Centre, Newcastle, NSW, 2310, Australia, steve_srs@hotmail.com.
• Int J Colorectal Dis. 2015 Sep 1;30(9):1237-45.

IntroductionAdequate postoperative analgesia is essential for recovery following colorectal surgery. Transversus abdominis plane (TAP) blocks have been found to be beneficial in improving pain following a variety of abdominal operations. The objective of this study was to determine if TAP blocks are useful in improving postoperative recovery following laparoscopic colorectal surgery.Materials And MethodsA prospective double-blind randomized clinical trial, involving 226 consecutive patients having laparoscopic colorectal surgery, was performed by a university colorectal surgical department. Patients were randomized to either TAP blockade using ultrasound guidance, or control, with the primary outcome being postoperative pain, as measured by analgesic consumption. Secondary outcomes assessed were pain visual analogue score (VAS), respiratory function, time to return of gut function, length of hospital stay, postoperative complications, and patient satisfaction.ResultsA total of 142 patients were followed up to trial completion (74 controls, 68 interventions). Patients were well matched with regard to demographics. No complications occurred as a result of the intervention of TAP blockade. There was no difference between groups with regards to analgesic consumption (161 mEq morphine control vs 175 mEq morphine TAP; p = 0.596). There was no difference between the two groups with regards to the secondary outcomes of daily VAS, respiratory outcome, time to return of gut function, length of hospital stay, postoperative complications, and patient satisfaction.ConclusionWe conclude that TAP blockade appears to be a safe intervention but confers no specific advantage following laparoscopic colorectal surgery.

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