Spine
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An unusual case report of cervical stenosis presenting with the Brown-Séquard syndrome. Technical considerations and a literature review are discussed. ⋯ Multilevel chronic cervical stenosis can present with an acute Brown-Séquard syndrome. Cervical laminectomy and decompression are effective treatments for cervical stenosis with an acute Brown-Séquard syndrome.
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The study used a small animal laminectomy model with kaolin to investigate the relationship of cauda equina pathology to pain, and the effects of systemic and intrathecal drugs to reduce pain. ⋯ An animal model of adhesive lumbar arachnoiditis yields a quantifiable pain-related response that can be used to evaluate the effects of various analgesic interventions.
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Comparative Study
Can vertebroplasty restore normal load-bearing to fractured vertebrae?
Cadaver motion segments were used to evaluate the effects of vertebroplasty on spinal loading following vertebral fracture. ⋯ Vertebroplasty reduces stress concentrations in the anulus and neural arch resulting in a more even distribution of compressive stress on the intervertebral disc and adjacent vertebral bodies.