Erector Spinae Plane Block in Pediatric Lower Limb Surgery

determine the efficacy and safety of ultra-sound guided erector spine plane block for providing postoperative analgesia in pediatric patients scheduled for lower limb surgeries as regard pain score , duration of analgesia and total postoperative analgesic requirement as a primary outcome as well as their safety as regard hemodynamics, adverse events local complications as secondary outcomes.

determine the efficacy and safety of ultra-sound guided caudal block for providing postoperative analgesia in pediatric patients scheduled for lower limb surgeries as regard pain score , duration of analgesia and total postoperative analgesic requirement as a primary outcome as well as their safety as regard hemodynamics, adverse events local complications as secondary outcomes.