Laparoscopic Guided Peri-wound Transversus Abdominis Plane Block With Bupivacaine Versus Local Wound Infiltration on Post-op Opioid Use in Laparoscopic Sleeve Gastrectomy

0.25% bupivacaine 20ml was injected using no24 needle into a plane between internal oblique muscle and transversus abdominis muscle around every wound 2 cm. from wound opening. The procedure was confirmed by laparoscopic vision and the injection was done before removal of laparoscopic port.

0.25% bupivacaine 20ml was injected using no24 needle into subcutaneous tissue after the abdominal sheet was sutured.