What is the role of instrumentation in the surgical treatment of idiopathic scoliosis?

Updated: Dec 02, 2020
  • Author: Charles T Mehlman, DO, MPH; Chief Editor: Jeffrey A Goldstein, MD  more...
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Modern instrumentation systems have been shown to allow adequate curve correction but to possess little or no ability to diminish associated rib humps. [122] Despite claims of certain instrumentation systems to derotate the spine, little actual derotation has been documented. Derotation of the instrumented curve also has been shown to possibly occur at the expense of creation of new rotation in uninstrumented portions of the spine. [123]

Previously, much attention was paid to the ability of certain spinal instrumentation systems (eg, Cotrel-Dubousset to derotate the spine during scoliosis correction. Jarvis and Greene showed that use of the Wisconsin segmental spinal instrumentation (a system traditionally thought to not be associated with significant spinal derotation) was associated with spinal derotation equal to or greater than that of the Cotrel-Dubousset–type systems. [124]

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