Pre-emptive quadratus lumborum block for laparoscopic bariatric surgery: a prospective randomized controlled study

Abstract Background Laparoscopic bariatric surgeries in morbidly obese patients have shown a steep rise recently. Quadratus lumborum block (QLB) has been used to decrease pain various kinds of surgeries. The purpose this study is evaluate the ability pre-emptive QLB intra- and postoperative opioid consumption. Results Intraoperative HR MAP were significantly lower group starting 20 min after initiation. additional fentanyl requirements, NRS scores at rest with movement, nausea vomiting consumption rescue analgesia also for 12 h. Early ambulation was recorded group. Conclusions Our results suggest that bilateral posterior reduced during laparoscopic decreased requirements side effects.