Spine
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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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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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Retrospective review of prospective database. ⋯ Extension of long fusions to the sacrum resulted in significant and sustained improvements in Oswestry Disability Index and Scoliosis Research Society scores and alignment during 5 years PO compared with baseline. Major surgical complications occurred in 30% and reoperations were performed in 20%, but outcome scores after treatment were similar to those without complications or reoperations.
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Comparative Study
Comparison of in-hospital morbidity and mortality rates between anterior and nonanterior approach procedures for thoracic disc herniation.
Analysis of population-based national hospital discharge data collected for the Nationwide Inpatient Sample. ⋯ Anterior approach procedures for thoracic disc herniation were associated with increased in-hospital morbidity and mortality rates, as well as increased health care burden, compared with nonanterior approach procedures. If thoracic disc herniation can be adequately excised by either approach, a nonanterior approach procedure may be a better option.
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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.