Safety and Efficacy of Interspinous Fixation Device via Lateral Transverse Approach in Patients with Lumbar Spinal Stenosis: A Single Center, Retrospective, Observational Study.

The ISFD technique resulted in a lower ASD incidence compare with the PSF, however, this did not reach statistical significance. 8 Despite the current dispute on different placement approaches, lateral versus posterior, ISFD was developed to provide a rigid fixation between spinous processes limiting the flexion motion allowed by ISS and to avoid revision surgery.

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