Abstract
Effective postoperative pain management is essential to the patient's recovery. The use of opioids as the primary line of pain treatment has been known to increase rates of length of stay, pulmonary complications, paralytic ileus, and nausea and vomiting. Therefore, guidelines strongly recommend alternative paths to reduce opioid consumption through multimodal analgesia, and the transversus abdominis plane block(USG-TAP) has been considered to be one of these optimistic alternatives. A comprehensive systematic search was conducted in four databases until April 2024. We only considered for this analysis randomized controlled trials that assessed the USG-TAP as part of multimodal anesthesia in patients undergoing laparoscopic bariatric surgery. Eleven studies comprising 789 patients were included in the meta-analysis. Our results showed a significant decrease in opioid consumption after the first 24h of surgery (MD - 32.02mg; 95% IC - 51.33, - 12.71; p < 0.01) and fewer patients required extra-dose of opioid (OR 0.20; 95% IC 0.07, 0.62; p < 0.01). The pain score showed to be also improved with the TAP block (MD - 0.69; 95% IC - 1.32, - 0.07; p = 0.03). No difference concerning time to deambulate, nausea and vomiting, and time of surgery was observed among the studies. This study reinforces the benefits of the use of USG-TAP block as part of multimodal analgesia in patients undergoing laparoscopic bariatric surgery.
Published Version
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