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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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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To determine the efficacy of physiotherapy approaches used in the treatment of LSS and compare their delivery characteristics. ⋯ These findings may assist clinicians in delivering effective physiotherapy interventions in LSS patients.
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To investigate the relationship between pelvic incidence (PI) and proximal junctional kyphosis (PJK) in patients treated surgically for adult spinal deformity (ASD) with fusion from thoracolumbar junction to sacrum. ⋯ When the upper-instrumented vertebra includes the thoracolumbar junction, patients with a PI > 50° are at a significantly higher risk of developing PJK compared to patients with a PI ≤ 50°.
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The aim of the study was to compare total en bloc spondylectomy (TES) and separation surgery with postoperative stereotactic radiosurgery (SSRS) for isolated metastatic patients with spinal cord compression by assessing recurrence-free survival (RFS), overall survival (OS), postoperative complications, and quality of life scores (QoL). ⋯ TES and SSRS were efficient methods for treating solitary spinal metastasis patients with metastatic spinal cord compression. Better local tumor control and mental health were found in the TES group, and most patients felt as if they were free of spinal tumors. Compared with TES, the SSRS caused less operation-related trauma. However, there was no significant difference in OS between the two groups.
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To analyze T2 relaxation times of the facet joint by MRI T2-mapping in patients with degenerative lumbar disorders (DLD), and to determine the correlation with lumbar instability in radiographs. ⋯ The T2 relaxation times were positively correlated with lumbar instability. This new quantitative evaluation of lumbar facet joint using MRI T2-mapping might be useful to determine lumbar instability.