Spine
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Review Comparative Study
The subaxial cervical spine injury classification system: a novel approach to recognize the importance of morphology, neurology, and integrity of the disco-ligamentous complex.
The classification system was derived through a literature review and expert opinion of experienced spine surgeons. In addition, a multicenter reliability and validity study of the system was conducted on a collection of trauma cases. ⋯ The Sub-axial Injury Classification and Severity Scale provides a comprehensive classification system for subaxial cervical trauma. Early validity and reliability data are encouraging.
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Comparative Study
ProDisc-L total disc replacement: a comparison of 1-level versus 2-level arthroplasty patients with a minimum 2-year follow-up.
This is a retrospective analysis of data that was collected prospectively from 2 concurrent FDA IDE lumbar arthroplasty clinical trials performed at a single center. ⋯ This study was unable to identify a statistically significant difference in outcome between 1- and 2-level ProDisc arthroplasty patients in a cohort from a single center. The equality of clinical effectiveness between 1- and 2-level ProDisc has yet to be determined.
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Comparative Study
Disabling low back pain and depressive symptoms in the community-dwelling elderly: a prospective study.
Analytic cross-sectional and cohort study. ⋯ Among community-dwelling elderly persons, depressive symptoms and disabling LBP are widespread. Depressive symptoms predict disabling LBP and vice versa. The set of predictors and their extent of contribution to the prognosis are strikingly similar. Research is warranted to identify possible common pathogenic mechanisms or mediating factors.
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Comparative Study
Variability in rates of arthrodesis for patients with thoracolumbar spine fractures with and without associated neurologic injury.
Retrospective cohort study using a large clinical database. ⋯ Hospital teaching status and spine fracture volume affected rates of spine arthrodesis in thoracolumbar fracture patients with and without neurologic injury. Variability in fusion rate for thoracolumbar spine trauma appears to be lower than that reported for elective spine procedures, especially in the presence of a neurologic injury.
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Comparative Study
The outcomes of scoliosis surgery in patients with syringomyelia.
A retrospective review of a consecutive case series. ⋯ The lack of thoracic hypokyphosis seen in idiopathic-like curves is a strong indicator of a possible underlying syrinx. Neurosurgical treatment of the syrinx did not improve the scoliosis. Caution should be exercised when choosing fusion levels, and arthrodesis should be planned with the underlying pathology in mind. Scoliosis surgery has proven to be safe in patients with treated syrinx when spinal cord monitoring or wake-up tests are used.