The aim of this study is to assess early predictability of peripheral perfusion index to success of caudal block in pediatric patients undergoing lower abdominopelvic surgeries
Pediatric patients aging between 1-5 years of both sexes.
Pediatric patients posted for elective lower abdominopelvic surgeries under general anesthesia (duration of surgery under 120 minutes).
ASA physical status classes I - II.
Guardian's refusal of procedure or participation in the study.
ASA classes III or above.
Infection at site of injection.
Neurological diseases and disorders such as (neuromuscular disease, cerebral palsy, spinal dysraphism …etc.)