Caudal Block vs Retrolaminar Block on Analgesic Consumption in Undescended Testis Surgeries

This intervention involves administering 0.25% bupivacaine (0.1 mL/kg) into the retrolaminar space at the L4 vertebral level using a 22-G insulated needle under ultrasound guidance in pediatric patients after induction of general anesthesia.

This intervention involves administering 0.125% bupivacaine (1 mL/kg, maximum 20 mL) into the sacral canal using a 22-G insulated needle under ultrasound guidance in pediatric patients after induction of general anesthesia.