Spine
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A retrospective review of clinical and radiological parameters. ⋯ After vertebroplasty, the compression and kyphosis of avascular necrotic vertebral bodies progressed continuously for 2 years or longer. Vertebroplasty may not provide sufficient stability. Therefore, we strongly recommend that strict observation and follow-up be used after vertebroplasty.
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Cross-cultural translation and psychometric testing. ⋯ Cross-cultural translation and adaptation of the ODI-FC were successful. Psychometric testing determined that the instrument was homogeneous, reliable, and valid. It could be employed in future clinical trials in Canada and possibly in other French-speaking countries.
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Retrospective clinical study. ⋯ In the patients with grade 1 DS, the back pain relief and functional improvement following ISS were affected by the improvements in the sagittal spinal alignment through the achievement of segmental lumbar lordosis. ISS can be an alternative treatment to fusion surgery for grade 1 DS in patients who do not require fixation or reduction.
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We conducted a prospective cohort study of 448 patients with spinal metastases from a variety of cancer groups. ⋯ Both T12 and T15 showed significant predictive value in patients with spinal metastases. T15 has a statistically higher accuracy rate than T12. Among the various cancer groups, the 2 scoring systems are especially reliable in prostate and breast metastases groups. T15 is recommended as superior to T12 because of its higher accuracy rate.
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Vertebroplasty was simulated on a pig model. ⋯ It is demonstrated that there exists a significant risk of exporting neoplastic disease or fatty tissue to the lungs when performing vertebroplasty. A similar adverse effect can be expected with balloon kyphoplasty. In patients with metastatic disease, vertebroplasty should be limited to those with short life expectancy.