Spine
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Randomized Controlled Trial Multicenter Study Comparative Study
Comparison of 2 lumbar total disc replacements: results of a prospective, randomized, controlled, multicenter Food and Drug Administration trial with 24-month follow-up.
This was a prospective, randomized, controlled multicenter study with 24-month follow-up. ⋯ This prospective, randomized, controlled study comparing 2 TDRs, the first to the authors' knowledge, found the devices produced very similar clinical outcomes. Both groups improved significantly by 6 weeks postoperatively and remained improved throughout follow-up with a high patient satisfaction rate.
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Comparative Study
Surgery for spinal stenosis: long-term reoperation rates, health care cost, and impact of instrumentation.
Retrospective cohort analysis. ⋯ For patients with spinal stenosis, if fusion is warranted, use of arthrodesis without instrumentation is associated with decreased costs with similar long-term complication and reoperation rates.
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Review Case Reports
Supratentorial subdural hemorrhage of a previous head injury and cerebellar hemorrhage after cervical spinal surgery: a case report and review of the literature.
Case report. ⋯ N/A.
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Retrospective analysis of kinematic magnetic resonance images. ⋯ Cervical spine studies that aim to investigate kyphotic deformities should make efforts to discern the different subtypes of kyphotic deformities to more accurately characterize and study the effects that the sagittal alignment has on the kinematics of the spine and the degree of spinal cord compression.
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Case Reports
Rationale in the management of 4-level lumbar spondylolyses with or without instability and/or spondylolisthesis.
Case report. ⋯ Success of management of multiple lyses depends on the choice of appropriate treatment for each level separately. Pars block is a good invasive investigation to detect the symptomatic levels in a complex situation.