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F1000Res. 2015 Nov 26;4. doi: 10.12688/f1000research.7015.1. eCollection 2015.

Transversus abdominal plane (TAP) block for postoperative pain management: a review.

F1000Research

Jan Jakobsson, Liselott Wickerts, Sune Forsberg, Gustaf Ledin

Affiliations

  1. Department of Anaesthesia & Intensive Care, Institution for Clinical Science, Karolinska Institute at Danderyds and Norrtälje Hospitals, Stockholm, Sweden.

PMID: 26918134 PMCID: PMC4754005 DOI: 10.12688/f1000research.7015.1

Abstract

Transversus abdominal plane (TAP) block has a long history and there is currently extensive clinical experience around TAP blocks. The aim of this review is to provide a summary of the present evidence on the effects of TAP block and to provide suggestions for further studies. There are several approaches to performing abdominal wall blocks, with the rapid implementation of ultrasound-guided technique facilitating a major difference in TAP block performance. During surgery, an abdominal wall block may also be applied by the surgeon from inside the abdominal cavity. Today, there are more than 11 meta-analyses providing a compiled evidence base around the effects of TAP block. These analyses include different procedures, different techniques of TAP block administration and, importantly, they compare the TAP block with a variety of alternative analgesic regimes. The effects of TAP block during laparoscopic cholecystectomy seem to be equivalent to local infiltration analgesia and also seem to be beneficial during laparoscopic colon resection. The effects of TAP are more pronounced when it is provided prior to surgery and these effects are local anaesthesia dose-dependent. TAP block seems an interesting alternative in patients with, for example, severe obesity where epidural or spinal anaesthesia/analgesia is technically difficult and/or poses a risk. There is an obvious need for further high-quality studies comparing TAP block prior to surgery with local infiltration analgesia, single-shot spinal analgesia, and epidural analgesia. These studies should be procedure-specific and the effects should be evaluated, both regarding short-term pain and analgesic requirement and also including the effects on postoperative nausea and vomiting, recovery of bowel function, ambulation, discharge, and protracted recovery outcomes (assessed by e.g., postoperative quality of recovery scale).

Keywords: TAP-block; Transversus abdominal-plane block; pain managment; ultra-sound

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