25 years of experience, thousands of caudal blocks, and no dural puncture. What happened today? SIR-A single administration of local anesthetic via the caudal space is an easy, simple, and safe way to provide postoperative analgesia. We report a case of a caudal block, previously uneventful, now complicated by dural puncture.
Case reportThe patient is a 7-year-old boy, 19.4 kg, body surface area 0.77, with a history of posterior urethral valves, status post vesicostomy, scheduled for re-ablation of valves and vesicostomy closure. In the past he underwent an uneventful caudal block for vesicostomy revision and a transversus abdominis plan block for repair of right inguinal hernia. There was no concern about any lumbosacral spinal dysraphism.After induction of general anesthesia with 8% sevoflurane, placement of an intravenous catheter, and endotracheal intubation, the patient was positioned with his left side up and his hips, knees, and neck flexed. After proper disinfection of the skin, a pediatric anesthesiologist with 25 years of experience attempted the caudal injection. After palpating both sacrum cornua and sacrum hiatus, a 20-gauge angiocath (Introcar Safety 20G x1-