Spine
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Randomized Controlled Trial Clinical Trial
Discriminative and predictive validity assessment of the quebec task force classification.
A prospective cohort study of workers with low back pain who had been absent from work for more than 4 weeks was conducted. ⋯ The Quebec Task Force Classification demonstrated good predictive ability by discriminating between subjects with and those without distal radiating pain.
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A radiographic and morphologic study was conducted to investigate low-grade spondylolisthesis in cases with preexisting isthmic spondylolysis of L5. ⋯ The authors considered that the slips with and those without deformities of the sacral table had developed in adolescence and adulthood, respectively. Using new radiographic parameters that indicate widening and tilting of the sacral table, low-grade isthmic spondylolis thesis can be categorized into "adolescent and adult vertebral slips."
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A test-retest design was used. ⋯ Interexaminer reliability of the McKenzie lumbar spine assessment in performing clinical tests and classifying patients with low back pain into syndromes were good and statistically significant when the examiners had been trained in the McKenzie method.
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The assignment of idiopathic scoliosis curves to the curve types,1-6 to the lumbar spine modifier (A, B, or C), and to the sagittal thoracic modifier (-, N, +), as recently described by Lenke et al, was evaluated by five observers on two occasions. ⋯ Lenke's new classification system is more reliable than the older King classification, but proper classification of high thoracic and lumbar curves seems to be difficult.
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A case report of craniocervical spine lesions including basilar impression, atlantoaxial dislocation, and syringomyelia, with osteogenesis imperfecta is presented, and the literature is reviewed. ⋯ For patients with atlantoaxial dislocation, syringomyelia, and basilar impression without clinical symptoms or signs of brain stem compression, occipitocervical spine fusion alone at the reduction of the atlantoaxial dislocation may be indicated because these procedures improve neurologic deficits and prevent postoperative development of basilar impression and enlargement of syringomyelia.