Spine
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Retrospective cross-sectional study. ⋯ With the recent rise of anterior cervical spine procedures in the United States, substantial variation in the delivery of surgical care exists along a number of demographic factors. A detailed investigation of variation in surgical decision-making algorithms among spine specialists, as well as a determination of differences among patient populations in attitudes toward surgery, may help elucidate the trends observed in this study.
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Multicenter Study Comparative Study
Comparison of surgical treatment in Lenke 5C adolescent idiopathic scoliosis: anterior dual rod versus posterior pedicle fixation surgery: a comparison of two practices.
Multicenter analysis of 2 groups of patients surgically treated for Lenke 5C adolescent idiopathic scoliosis (AIS). ⋯ At a minimum of 2-year follow-up, adolescents with Lenke 5C curves demonstrated statistically significantly better curve correction, less loss of correction over time, and shorter hospital stays when treated with a posterior release with pedicle screw instrumented fusion compared with an anterior instrumented fusion with dual rods for similar patient populations.
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Method guidelines for systematic reviews of trials of treatments for neck and back pain. ⋯ Citations of previous versions of the method guidelines in published scientific articles (1997: 254 citations; 2003: 209 citations, searched February 10, 2009) suggest that others may find these guidelines useful to plan, conduct, or evaluate systematic reviews in the field of spinal disorders.
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A retrospective review of scores from the Scoliosis Research Society outcomes instrument (SRS-24 questionnaire). ⋯ Spinal fusion has an isolated negative effect on AIS patients' quality of life (Total score) mostly due to a decrease in scores of the Activity domain. The overall positive effect of surgery depends on the individual effects of spinal fusion (slight reduction in quality of life) and deformity reduction (modest improvement in quality of life).
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An in vitro biomechanical study. ⋯ We have designed a new type of AAOJ for correcting atlantoaxial instability arising from C1 to C2 anterior decompression procedures. The unique aspect of this joint is that it restores, to a great extent, the C1-C2 axial rotation that is lost during current stabilization procedures.