A study comparing two different nerve block methods for pain relief in children after urethroplasty surgery

INTERVENTION: Intervention1: Ultrasound‐guided Sacral Erector Spinae Plane Block: Ultrasound‐guided Sacral ESP block with 0.2 percent ropivacaine 1 ml per kg maximum 20 ml. Total duration of intervention is single dose injection. Control Intervention1: Ultrasound‐guided Caudal Epidural Block.: Ultrasound‐guided caudal block with 0.2 percent ropivacaine 0.5 ml per kg maximum 20 ml. Total duration of intervention is single dose injection. CONDITION: Health Condition 1: Q54‐ Hypospadias Health Condition 2: N35‐ Urethral stricture Health Condition 3: Q640‐ Epispadias Health Condition 4: N360‐ Urethral fistula Health Condition 5: S373‐ Injury of urethra Health Condition 6: R52‐ Pain, unspecified PRIMARY OUTCOME: To assess the postoperative Face, Legs, Activity, Cry, Consolability ‐ FLACC pain scores and To evaluate the duration of analgesia, defined as the time to first rescue analgesic after surgery.Timepoint: At 2, 4, 6, 8, 12, 16 and 24 hours postoperatively. SECONDARY OUTCOME: Complications like urinary retention or hypotensionTimepoint: 24 hours postoperatively Hemodynamic changes in heart rate and mean arterial pressureTimepoint: Base line, just after block, 10 min, 20 min, 30 min, 40 min, 50 min, 60 min, 75 min, 90 min, 105 min, 120 min. Number of rescue analgesic doses neededTimepoint: 24 hours postoperatively Parental satisfaction assessed using a 4 point scale ‐ Excellent, Good, Fair, PoorTimepoint: 24 hours postoperatively Time taken for performing the blockTimepoint: Intraoperative INCLUSION CRITERIA: Pediatric patients undergoing elective Urethroplasty. Patients under ASA I and II.