Analgesic Effect of Ultrasound-Guided Anterior Quadratus Lumborum Block at the L2 Level in Patients Undergoing Laparoscopic Partial Nephrectomy: A Single-Center, Randomized Controlled Trial

Objectives. This study aimed to evaluate the effect of ultrasound-guided anterior quadratus lumborum block (QLB) at the L2 level in patients undergoing laparoscopic partial nephrectomy. Methods. Patients who were 18–70 years old with an American Society of Anesthesiologists (ASA) physical status of...

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Published in:Pain research & management 2022-12, Vol.2022, p.8958859-8
Main Authors: He, Ying, Huang, Mingying, Zhong, Qiangui, Ni, Huijuan, Yu, Zenggui, Zhang, Xinjian
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Analgesics
Analgesics, Opioid
Anesthesia
Anesthetics, Local
Clinical trials
Humans
Laparoscopic surgery
Laparoscopy
Laparoscopy - adverse effects
Medical research
Medicine, Experimental
Middle Aged
Narcotics
Nephrectomy
Nephrectomy - adverse effects
Nerve block
Pain
Pain, Postoperative - etiology
Patients
Physiological aspects
Sufentanil - therapeutic use
Surgery
Testing
Ultrasonic imaging
Ultrasonography, Interventional
Veins & arteries
Vertebrae, Lumbar
Young Adult
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Summary:Objectives. This study aimed to evaluate the effect of ultrasound-guided anterior quadratus lumborum block (QLB) at the L2 level in patients undergoing laparoscopic partial nephrectomy. Methods. Patients who were 18–70 years old with an American Society of Anesthesiologists (ASA) physical status of 1-2 and were scheduled for elective laparoscopic partial nephrectomy were recruited into the cluster randomized controlled trial. Sixty-three patients were randomly allocated to receive QLB (group Q, n = 32) or no block (group C, n = 31). The patients were not masked to the group allocations. The postoperative follower was blinded to the group allocations. All patients received total intravenous anesthesia, the same multimodal analgesic regimen, and rescue analgesia when needed. The primary outcome was perioperative cumulative sufentanil consumption. Results. 30 patients in group Q and 29 patients in group C were included in the statistical analysis. Block-related complications were not found in this study. Sufentanil consumption during the perioperative period (155.41 [19.58] vs 119.37 [12.41] μg, p 
ISSN:1203-6765
1918-1523
DOI:10.1155/2022/8958859