Correlation of Functional Outcome and Natural History With Clinicoradiological Factors in Surgically Managed Pediatric Chiari I Malformation

More than half the pediatric patients with Chiari I malformation improve after surgery. The age at presentation, duration and type of symptoms, cranial and foramen magnum morphometry, and syrinx-related changes have no bearing on outcome at short-term follow-up. The spinal cord diameter differs significantly in patients with and without functional improvement.