Transversus abdominis plane block as a component of multimodal analgesia for laparoscopic cholecystectomy.

Objective: To evaluate and compare intercostal-iliac transversus abdominis plane (TAP) and oblique subcostal TAP (OSTAP) blocks for multimodal analgesia in patients receiving laparoscopic cholecystectomy.

Design: A prospective, randomized, double-blinded clinical study.

Setting: Operating room, postoperative recovery area, and ward.