Anterior quadratus lumborum block at the lateral supra-arcuate ligament versus transmuscular quadratus lumborum block for postoperative analgesia in patients undergoing laparoscopic nephrectomy: A randomized controlled trial

•Anterior quadratus lumborum block at the lateral supra-arcuate ligament induced a lower postoperative opioid consumption.•No significant differences in pain scores were observed between two block approaches.•Patient satisfaction with the analgesic regimens was also similar in both groups.