Spine
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Experimental spinal cord injury using a rat model. ⋯ Transplanted MSCs injected into the subarachnoid space of the lumbar spine can migrate to injured thoracic spinal cord tissue. The ratio of MSCs observed at the injury site was significantly higher than in the intact spinal cord, and also infiltrated into the deeper spinal cord parenchyma by the perivascular spaces. Lastly, some MSCs differentiated into Nestin-positive, immature neurons or glial cells.
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Biography Historical Article
The education of a spinal deformity surgeon: past, present, and future. Harrington Lecture.
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The management of acute thoracolumbar burst fractures with anterior corpectomy and Z-plate fixation.
A retrospective review of a consecutive series of patients with acute thoracolumbar burst fractures who were surgically treated with an anterior corpectomy and fusion with anterolateral Z-plate fixation. ⋯ Anterior corpectomy, strut graft, and Z-plate fixation is an effective treatment for thoracolumbar burst fractures. It allows direct decompression of the spinal cord in the acute setting and was associated with a high rate of neurologic improvement, no instances of neurologic worsening in any case, and a low complication rate.
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Comparative Study
Biomechanical analysis of transpedicular screw fixation in the subaxial cervical spine.
An in vitro biomechanical study to compare 2 different dorsal screw fixation techniques in the cervical spine with respect to primary stability and stability after cyclic loading. ⋯ The major finding of the current study was the higher stability of pedicle screws over lateral mass fixation with respect to primary stability and stability after cyclic loading. From a biomechanical point of view the use of pedicle screws in the subaxial cervical spine seems justified in patients with poor bone quality and need for multisegmental fixation.