Treatment of adolescent idiopathic scoliosis using Cotrel-Dubousset spinal instrumentation

Wajanavisit, W.; Laohacharoensombat, W.

Journal of the Medical Association of Thailand 83(2): 146-150

2000


ISSN/ISBN: 0125-2208
PMID: 10710883
Document Number: 2044
Eighteen patients with idiopathic scoliosis who underwent posterior spinal correction and fusion using Cotrel-Dubousset instrumentation between 1991 and 1996, were evaluated for curve correction and complications. Age at surgery averaged 14.7 years. Follow-up averaged 3.7 years. Thoracic curve correction averaged 65 per cent in those with King type III / IV curves and 51 per cent in those with King type II curves. At the recent follow-up, correction loss averaged 12 per cent and 8 per cent, respectively. Lumbar curve correction averaged 31 per cent after instrumentation in type II curves, with a loss of approximately 3 per cent correction at follow-up. Thoracic sagittal contour improved 14degree for hypokyphotic patients. Apical vertebral rotation improved an average of 37 per cent after derotation maneuver of the left side rod. No neurologic complications or deep infection occurred. In conclusion, frontal and sagittal thoracic curve correction can be satisfactorily achieved using Cotrel-Dubousset instrumentation.

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Treatment of adolescent idiopathic scoliosis using Cotrel-Dubousset spinal instrumentation