Perineural or intravenous administration of dexmedetomidine combined with anterior quadratus lumborum block for analgesia after retroperitoneal laparoscopic surgery: a prospective, randomized controlled trial
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Purpose: The duration of a single anterior quadratus lumborum block (QLB) cannot fully meet the postoperative analgesic needs of patients undergoing retroperitoneal laparoscopic surgery. We investigated whether perineural or intr... ...
