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Efficacy of transversus abdominis plane (TAP) block in pain management after laparoscopic sleeve gastrectomy (LSG): A double-blind randomized controlled trial
Authors:Alan A. Saber  Young C. Lee  Arjun Chandrasekaran  Namik Olivia  Armand Asarian  Samir Al-Ayoubi  Robert DiGregorio
Affiliation:1. Director Bariatric & Metabolic Surgery Program, Newark Beth Israel Medical Center, Newark, NJ, USA;2. Surgical Resident, Surgery Department, The Brooklyn Hospital Center, Brooklyn, NY, USA;3. Anesthesia Department, The Brooklyn Hospital Center, Brooklyn, NY, USA;4. Surgery Department, The Brooklyn Hospital Center, Brooklyn, NY, USA;5. Pharmacology Department, The Brooklyn Hospital Center, Brooklyn, NY, USA
Abstract:

Background

The aim of this randomized controlled trial was to assess the effectiveness of transversus abdominis plane (TAP) block in post-operative pain management in patients undergoing laparoscopic sleeve gastrectomy (LSG).

Methods

Ninety consecutive patients undergoing LSG were randomly assigned to three groups: placebo, TAP block with 0.25% bupivacaine (40mL total), and TAP block with 0.25% bupivacaine + 1/100,000 epinephrine (40mL total). Pain and nausea/vomiting scores were evaluated at varying times until discharge. Other parameters included, additional analgesia required, time to ambulation, length of stay and time required for return to work after discharge.

Results

There was decrease in post-operative pain 3 hours after surgery between the placebo group and the bupivacaine group and between the placebo group and the bupivacaine with epinephrine group, however, no difference in 1, 6, 12 and every 6 hours after. There was no significant difference in post-operative analgesia requirements, nausea/vomiting scores, time to ambulation, hospital length of stay, or time to return to work after discharge.

Conclusion

The efficacy of TAP block is not apparent likely due to the ERAS protocol set in place for bariatric surgery, which already targets early postoperative pain control and mobility.
Keywords:Bariatric  Abdominis Plane (TAP) Block  Sleeve Gastrectomy  Pain  Laparoscopic
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