Ultrasound-Guided Quadratus Lumborum Block for Postoperative Pain in Abdominoplasty: A Randomized Controlled Study.

Background: Postoperative pain after abdominoplasty can delay postoperative ambulation, leading to life-threatening complications. Previous reports have shown the utility of quadratus lumborum block in providing adequate pain relief and avoiding side effects after numerous abdominal operations. The purpose of this randomized controlled trial was to demonstrate the efficacy of the quadratus lumborum block in abdominoplasty.