ISASS 2016: Interspinous process vs. pedicle screw fixation for degenerative disc disease .
Interspinous Process Fixation versus Pedicle Screw Fixation in Circumferential Arthrodesis: 1-year Outcomes from a Prospective Randomized Multi-center Trial
Single-level lumbar interbody fusion was performed in 103 patients with supplementation of either interspinous process fixation (ISPF) or standard pedicle screw fixation (PSF). The purpose of this study was to compare the perioperative and clinical outcomes of ISPF and PSF. Findings indicated no significant differences between the two techniques for changes from baseline for the Oswestry Disability Index (ODI), Zurich Claudication Questionnaire (ZCQ), Short Form-36 (SF-36) general health survey, or leg and back pain measured by the visual analogue scale (VAS) and numerical rating scale (NRS) when assessed up to one year.
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