Spine
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Cross-sectional radioanatomic study. ⋯ Class A psoas had the largest modified oblique corridor but highest proportion of those with a dangerous LLIF trajectory. Class C psoas had the narrowest modified oblique corridor, but no dangerous LLIF trajectories were identified.
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Meta Analysis Comparative Study
Laminoplasty Versus Laminectomy and Posterior Fusion for Cervical Myelopathy: A Meta-analysis of Radiographic and Clinical Outcomes.
Meta-analysis. ⋯ 4.
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Retrospective review of prospectively collected data. ⋯ Level III.
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Retrospective single-center study. ⋯ Level III.
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Randomized Controlled Trial
Responsiveness of the Zurich Claudication Questionnaire in Patients with Lumbar Spinal Stenosis Undergoing Nonsurgical Treatment: A Secondary Analysis of a Randomized Controlled Trial.
Secondary analysis of a randomized controlled trial. ⋯ The findings of this study suggest that the ZCQ satisfaction subscale has less ability to distinguish patients with LSS who improved in the ZCQ symptom severity and physical function subscales from those who did not after nonsurgical treatment, compared to those after surgical treatment.