TAP block is a regional anesthesia technique which could be performed easily especially by laparoscopy and are used in various surgical procedures. In that technique, blockade of the plane between internal oblique muscle and transversus abdominis muscle is performed by infiltration of local anesthesics drugs. Therefore , reduction of postoperative pain could be lead to decrease in postoperative complications.
Sleeve gastrectomy is the most performed bariatric procedure worldwide. Postoperative pain management is a challenging issue. In this trial, the investigators aimed to explore the effects of laparoscopic guided transversus abdominis plane (TAP) block on postoperative pain management in patient those were performed laparoscopic sleeve gastrectomy.