Spine
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This is a retrospective, consecutive case series, with the index patient included. ⋯ This method of selecting instrumentation levels while using torsional correction techniques is safe and reliable. The results were improved with the evolution of these techniques and appear to provide improved correction and correction maintenance compared with that of historical controls.
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Retrospective analysis. ⋯ The highest level of tumor involvement was prognostically significant for OS, CDFS, and LRFS. Radiation was of value when complete excision was not achieved. Bilateral S3 nerve preservation is necessary to ensure retention of normal urinary and bowel function.
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The effect of spinal canal narrowing and the timing of decompression after a spinal cord injury were evaluated using a rat model. ⋯ The results in this study present strong evidence that the prognosis for neurologic recovery is adversely affected by both a higher percentage of canal narrowing and a longer duration of canal narrowing after a spinal cord injury. The tolerance for spinal canal narrowing with a contused cord appears diminished, indicating that an injured spinal cord may benefit from early decompression. Additionally, it appears that the longer the spinal cord compression exists after an incomplete spinal cord injury, the worse the prognosis for neurologic recovery.
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This is an analysis of consecutive cases of flatback deformity (fixed sagittal imbalance), treated by one of two surgeons at a university hospital. ⋯ Satisfaction with the results of treatment may be reduced in patients with four or more major co-existent medical problems, insufficient sagittal correction, and resultant pseudarthrosis.
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Randomized Controlled Trial Clinical Trial
The effect of a Mensendieck exercise program as secondary prophylaxis for recurrent low back pain. A randomized, controlled trial with 12-month follow-up.
A prospective, randomized, controlled trial with a stratification block design in which a Mensendieck exercise program was compared with the experience of a control group. ⋯ A secondary prophylaxis Mensendieck exercise program of 20 group sessions significantly reduced the incidence of low back pain recurrences in a population with history of the condition. However, there were no differences between the groups with regard to days of sick leave, low back pain, and function.