The spine journal : official journal of the North American Spine Society
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Recent research describes the use of a nerve root sedimentation sign to diagnose lumbar spinal stenosis (LSS). The lack of sedimentation of the nerve roots (positive sedimentation sign) to the dorsal part of the dural sac is the characteristic feature of this new radiological parameter. ⋯ The sedimentation sign is a new measurement tool that can enable physicians to objectively assess and quantify spinal stenosis. The sign is most often present in patients who have clinically significant lumbar stenosis and require surgery.
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Fazal A, Yoo A, Bendo JA. Does the presence of the nerve root sedimentation sign on MRI correlate with the operative level in patients undergoing posterior lumbar decompression for lumbar stenosis? Spine J 2013;13:837-42 (in this issue).
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There is limited literature comparing different functional outcome measures used for cervical spondylotic myelopathy (CSM). ⋯ Preference-based quality-of-life instruments, such as the EQ-5D, are important measures for studying spinal disorders. Among the various commonly used outcome instruments for CSM, the Oswestry NDI is the most predictive of preference-based QOL.
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Spinal cord injuries (SCIs) related to cervical spine (C-spine) fractures can cause significant morbidity and mortality. Aggressive treatment often required to manage instability associated with C-spine fractures is complicated and hazardous in the elderly population. ⋯ In this elderly population, neurological recovery was poor and the in-hospital mortality rate was high. The strongest risk factors for mortality were injury level and severity of SCI. Although each case of SCI related to C-spine fractures is different, physicians may be able to use these findings to help better determine the prognosis and guide subsequent treatment.
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There is no information in the English literature on the outcome of liver cirrhotic patients who have undergone instrumented lumbar surgery. ⋯ The rate of complications after instrumented lumbar surgery was significantly higher in patients with cirrhosis than in control patients, especially in those with 6 or more Child-Turcotte-Pugh points. The surgeon should counsel these patients on the possibility of developing early complications. Several factors were associated with surgical complications and should be addressed by the spine surgeons before or when they perform these elective instrumented lumbar surgeries.