Fifteen patients with spinal muscular atrophy operated on for scoliosis were reviewed and interviewed. Age at time of surgery averaged 16 yr. Follow-up averaged more than 5 yr. Eleven patients underwent posterior spinal fusion with Luque instrumentation. Four had Harrington instrumentation, with segmental wiring in three. Three out of the 15 also had anterior fusion with Dwyer instrumentation. Patients were immobilized in cast or brace for 6 months, on average, after surgery. The average curve correction was 50%. There was a loss of vital capacity after the operation, which in most cases was regained with time. In functional terms, there were improvements and deteriorations both in the short and long term. Esthetic appearance improved in all patients, as did the perceived well-being. Retrospectively all but one would have the operation again.

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