• Frédérique Boisvert-Moreau, Bruno Turcotte, Natalie Albert, Narcisse Singbo, Katherine Moore, and Ariane Boivin.
• Department of Anesthesia, CHU de Québec-Université Laval, Quebec, Quebec, Canada.
• Reg Anesth Pain Med. 2023 Mar 1; 48 (3): 127133127-133.

IntroductionOptimal analgesia for circumcision is still debated. The dorsal penile nerve block has been shown to be superior to topical and caudal analgesia. Recently, the ultrasound-guided pudendal nerve block (group pudendal) has been popularized. This randomized, blinded clinical trial compared group pudendal with ultrasound-guided dorsal penile nerve block (group penile) under general anesthesia for pediatric circumcision.MethodsPrepubertal males aged 1-12 years undergoing elective circumcision were randomized to either group. The primary outcome was postoperative face, legs, activity, cry, consolability (FLACC) scores. Our secondary outcomes included parent's postoperative pain measure, analgesic consumption during the first 24 hours, surgeon's and parent's satisfaction, time to perform the block, hemodynamic changes intraoperatively and total time in postanesthesia care unit and until discharge.ResultsA total of 155 patients were included for analysis (77 in group pudendal and 78 in group penile). Mean age was 7.3 years old. FLACC scores were not statistically different between groups (p=0.19-0.97). Surgeon satisfaction was higher with group pudendal (90.8% vs 56.6% optimal, p<0.01). Intraoperative hemodynamic changes (>20% rise of heart rate or blood pressure) were higher in group pudendal (33.8% vs 9.0%, p<0.01) as was intraoperative fentanyl use (1.3 vs 1.0 μg/kg, p<0.01). Other secondary outcomes were not statistically different.DiscussionBoth ultrasound-guided blocks, performed under general anesthesia, provide equivalent postoperative analgesia for pediatric circumcision as evidenced by low pain scores and opioid consumption. Surgeon satisfaction was higher in the pudendal group.Trial Registration NumberNCT03914365.© American Society of Regional Anesthesia & Pain Medicine 2023. No commercial re-use. See rights and permissions. Published by BMJ.

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