The effect of posterior non-fusion instrumentation on segmental shear loading of the lumbar spine.

@article{Charles2014TheEO,
  title={The effect of posterior non-fusion instrumentation on segmental shear loading of the lumbar spine.},
  author={Yann Philippe Charles and Sylvain Persohn and Philippe Rouch and J. -P. Steib and E A Sauleau and Wafa Skalli},
  journal={Orthopaedics & traumatology, surgery & research : OTSR},
  year={2014},
  volume={100 5},
  pages={
          461-7
        }
}
BACKGROUND Lumbar stenosis and facet osteoarthritis represent indications for decompression and instrumentation. It is unclear if degenerative spondylolisthesis grade I with a remaining disc height could be an indication for non-fusion instrumentation. The purpose of this study was to determine the influence of a mobile pedicle screw based device on lumbar segmental shear loading, thus simulating the condition of spondylolisthesis. MATERIALS AND METHODS Six human cadaver specimens were tested… CONTINUE READING

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