• Christian Hansen, Mette Dam, Martin Vedel Nielsen, Katrine B Tanggaard, Troels Dirch Poulsen, Thomas Fichtner Bendtsen, and Jens Børglum.
• Department of Anesthesiology and Intensive Care, Zealand University Hospital, Roskilde, Denmark.
• Reg Anesth Pain Med. 2021 Jan 1; 46 (1): 25-30.

BackgroundThe population of patients scheduled for total laparoscopic hysterectomy at our surgical center is heterogeneous concerning a multitude of demographic variables such as age, collateral surgery and malign or benign pathogenesis. A common denominator is moderate to severe postoperative pain and a substantial opioid consumption. A recent procedure specific postoperative pain management (PROSPECT) review found no gain from the regional techniques included. The transmuscular quadratus lumborum (TQL) block has shown promising results in recent trials for other types of surgery. The aim of the current study was to investigate the analgesic efficacy of the ultrasound-guided TQL block for total laparoscopic hysterectomy.MethodsWe enrolled 70 patients and randomly allocated participants to preoperative bilateral ultrasound-guided TQL block with either 60 mL 0.375% ropivacaine or 60 mL isotonic saline. Preoperatively, all patients received the TQL block (active or placebo) as well as a standardized multimodal analgesic regimen consisting of oral paracetamol, ibuprofen and dexamethasone. Intraoperatively, intravenous sufentanil 0.2 µg/kg was administered 30 min prior to emergence.Primary OutcomeOpioid consumption during the first 12 postoperative hours.Secondary OutcomesPain scores, times to first opioid demand and first ambulation, nausea and vomiting, and total opioid consumption during the first 24 postoperative hours.ResultsNo significant intergroup differences were observed for any outcome. Mean (SD) oral morphine equivalent consumption the first 12 postoperative hours was 58.4 mg (48.3) vs 62.9 mg (48.5), p=0.70, for group ropivacaine versus group saline.ConclusionPreoperative bilateral ultrasound-guided TQL block did not reduce opioid consumption after total laparoscopic hysterectomy.Trial Registration NumbersNCT03650998, EudraCT (2017-004593-34).© American Society of Regional Anesthesia & Pain Medicine 2021. No commercial re-use. See rights and permissions. Published by BMJ.

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