Journal of spinal disorders & techniques
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J Spinal Disord Tech · Apr 2010
Clinical TrialQuality of spinal motion with cervical disk arthroplasty: computer-aided radiographic analysis.
Kinematic study of a single site in an investigational device exemption trial. ⋯ Sagittal rotation increases above the level of the arthroplasty and fusion. In the long term, the arthroplasty group had a more posterior COR at the level above, compared with the level above a fusion. Translation at the level above a fusion was slightly increased but not statistically compared with the level above the arthroplasty with similar amounts of sagittal rotation (flexion/extension). Although not reaching statistical significance, the COR seemed to shift more posterior and cephalad at the arthroplasty level with less variability compared with the preoperative position.
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Cross-sectional study. ⋯ We did not find an association between facet orientation, facet tropism, and spondylolysis. One of the possible explanations for this is that the high prevalence of facet joint osteoarthritis in individuals with spondylolysis in the studied sample might have led to diminished differences in facet orientation.
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J Spinal Disord Tech · Apr 2010
Comparative StudySkip laminectomy and laminoplasty for cervical spondylotic myelopathy: a prospective study of clinical and radiologic outcomes.
A prospective nonrandomized study comparing the outcomes of the 2 surgical techniques used in the treatment of cervical spondylotic myelopathy. ⋯ Skip laminectomy is an effective procedure for reducing the incidence of postoperative morbidities, such as persisting axial pain, and restriction of neck motion often seen after laminoplasty, and provides adequate decompression of the spinal cord as demonstrated on MRI for a minimum follow-up of 2 years.
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J Spinal Disord Tech · Apr 2010
Microendoscopic anterior approach for irreducible atlantoaxial dislocation: surgical techniques and preliminary results.
Surgical techniques and preliminary results. ⋯ Surgical technique of microendoscopic anterior release, reduction, fixation, and fusion is safe and reliable minimally invasive for treating IADD.