European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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To assess the responsiveness of the Zurich Claudication Questionnaire (ZCQ), the Oswestry Disability Index, the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire, the visual analog scale (VAS), the 8-Item Short Form Health Survey (SF-8), and the EuroQol 5 dimensions 5 level as methods of assessing outcomes of surgery for lumbar spinal stenosis. ⋯ Because of its high responsiveness, "symptom severity" on the ZCQ is recommended as a primary tool for assessing outcome when designing prospective studies for lumbar spinal stenosis.
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A spinal cord injury (SCI) has a large impact on a person's physical, psychological, and social health. Previous studies focused on physical recovery in patients with SCI and assessed their health-related quality of life (HRQOL) with general questionnaires, which often contain irrelevant questions. The SCI-QOL questionnaire was developed to specifically assess the HRQOL of the SCI population. A comprehensive translation and cross-cultural adaptation are required to use this questionnaire in the Netherlands and Flanders, Belgium. ⋯ The Dutch-Flemish translation of the SCI-QOL is now available for clinical and research purposes. Future studies should focus on the psychometric properties of this cross-culturally adapted version.
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Both posture and loading rate are key factors in the herniation process and can determine the mechanism of disc failure. The aim of this study was to test the hypothesis that disruption visible with HR-MRI post-testing corresponds with microstructural features and further elucidate the mechanism by which this disruption weakens the disc. This will enable us to gain new insights into the herniation process. ⋯ While all discs suffered outer annulus damage, only the discs containing pre-existing defects herniated. These pre-existing defects weakened the inner and mid annulus, allowing herniation to occur once the mid and outer annular wall was compromised. We propose this can occur during the degenerative cascade.
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The purpose of this study is to present the outcomes all patients with osteogenesis imperfecta (OI) who underwent cementless posterior spinal fusion for the treatment of severe spine deformity in our institution. ⋯ Surgical treatment of severe spine deformity in OI patients with cementless posterior spinal fusion is safe and effective after applying a specific preoperative strategy.