A randomized controlled trial compared the effectiveness of anterior quadratus lumborum block at the lateral supra-arcuate ligament (QLB-LSAL) with lateral quadratus lumborum block (LQLB) for postoperative analgesia in laparoscopic colorectal surgery. The study found that QLB-LSAL reduced postoperative opioid usage, decreased morphine consumption at 24 hours postoperatively, and prolonged the time to the first patient-controlled analgesia request when compared to LQLB. These results suggest that preoperative bilateral ultrasound-guided QLB-LSAL can offer improved analgesia and decreased opioid usage in laparoscopic colorectal surgery.
Journal Article by Shi R, Shao P (…) Wang Y et 2 al. in J Am Coll Surg
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