Ultrasound-Guided Caudal Epidural Block Using Dexmedetomidine as an Adjuvant to Ropivacaine for Paediatric Infraumbilical Surgery: A Randomised, Double-Blind, Controlled Trial
Background: A single caudal injection of local anaesthetic is a dependable way to cover infraumbilical surgery in young children, but its analgesia fades within a few hours. We asked whether a low, 1 µg/kg dose of dexmedetomidine, mixed with 0.25% ropivacaine and delivered under real-time ultrasound, would meaningfully...