Derotational analysis of Cotrel-Dubousset instrumentation in idiopathic scoliosis
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- PMID: 1785093
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Derotational analysis of Cotrel-Dubousset instrumentation in idiopathic scoliosis
Spine (Phila Pa 1976).
1991 Aug.
Abstract
Ten patients with idiopathic scoliosis were treated with posterior spinal fusion and Cotrel-Dubousset instrumentation. Computed tomographic scans and intraoperative photographs were used to evaluate the derotational effect of the Cotrel-Dubousset instrumentation. The frontal deformity was corrected from an average of 51 degrees to 15 degrees and the kyphosis from 9.5 degrees to 18 degrees. The amount of preoperative vertebral rotation was variable, however, and insignificant postoperative changes were documented in the majority of cases.
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