A method of ultrasound-guided quadratus lumborum block at the lateral supra-arcuate ligament
With the rapid development of ultrasound techniques and the increasing diversity of anesthesia methods,nerve block technique is widely used for perioperative analgesia.Ultrasound-guided quadratus lumborum block at the lateral supra-arcuate ligament(QLB-LSAL)is a new truncal blockade,which involves the administration of medication into the anterior aspect of the quadra-tus lumborum at the lateral supra-arcuate ligament.This review summarizes the anatomical characteristics of quadratus lumborum-thoracolumbar fascia and analgesic mechanism,puncture approaches,and perioperative application,in order to provide ref-erence for clinical application.
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