Spine
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A cross-sectional study on 21,225 twins based on a Web-based questionnaire was performed in 2005-2006 and administered by the Swedish Twin Registry. ⋯ Genetic factors had a considerably greater importance for the occurrence of concurrent LBP and NSP compared with solely LBP or solely NSP. The influence of genetic factors was similar for solely LBP and solely NSP.
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Retrospective study. ⋯ The use of our combined CPT and ICD-9-CM algorithm to identify cervical spine surgery was highly sensitive and specific. For categories such as surgical approach, accuracy of our combined algorithm was similar to that of our ICD-9-CM-only algorithm. However, the combined algorithm improves sensitivity, and allows identification of procedures not defined by ICD-9-CM procedure codes, and number of levels instrumented and decompressed. The combined algorithm better defines cervical spine surgery and specific factors that may impact outcome and cost.
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Comparative Study
Development of a short form of the Örebro Musculoskeletal Pain Screening Questionnaire.
A longitudinal design where the questionnaire was completed at a pretest and predictive ability evaluated with a 1-year follow-up. A second sample was employed to provide a replication. ⋯ The short form of the ÖMSPQ is appropriate for clinical and research purposes, since it is nearly as accurate as the longer version.
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A cross-sectional survey of 2083 schoolchildren. ⋯ There is a high prevalence of LBP in Chinese schoolchildren. The occurrence of LBP increases with age in both sexes. LBP is significantly more prevalent in girls.
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Analysis of a prospective series of 300 consecutive cases undergoing intraoperative monitoring in pediatric orthopedic spinal surgery, of which 10% were children younger than 4 years. ⋯ In some cases of kyphoscoliosis, during a posterior-based vertebral column resection, monitoring changes were corrected by positioning a rod that allowed correction of the position of the spine in the sagittal plane. Intraoperative spinal cord monitoring can be performed in children younger than 4 years and allows real-time assessment of spinal functional integrity.