This prospective, randomized clinical trial conducted at Ain Shams University Hospitals evaluated the analgesic efficacy of dorsal penile nerve block versus caudal epidural block in 30 male children undergoing primary hypospadias repair. Patients were randomly assigned to the penile block group (n=15) or the caudal block group (n=15). Both groups received standardized general anesthesia. The dorsal penile nerve block was performed with 0.25% bupivacaine (1 mL/kg) via a subpubic approach, while the caudal block used 0.25% bupivacaine (0.5 mL/kg) through the sacral hiatus. Block failure was managed with intravenous fentanyl. Baseline demographics and operative duration were comparable between groups. Postoperative pain assessed using the FLACC scale showed superior early analgesia in the caudal group at 0 and 3 hours, with comparable scores at 6-12 hours. The caudal block group required rescue analgesia later and consumed lower total doses of paracetamol and pethidine within 24 hours. However, caudal block delayed ambulation compared to the penile block group. No major complications were reported. The study concludes that both blocks are safe and effective; caudal epidural provides superior early postoperative analgesia, while dorsal penile block may be preferred when early ambulation is desired.
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Time to first rescue analgesia.
Timeframe: Within the first 24 hours postoperatively
Total 24-hrs postoperative analgesic consumption.
Timeframe: Within the 24 hours postoperatively