Spine
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Evaluation of the psychometric properties of the Neck Pain and Disability Scale (NPDS). ⋯ The NPDS-I outcome questionnaire was successfully translated into Italian, showing good multidimensional and psychometric properties, supporting the results of the already existing versions of the scale. Its use is recommended in clinical and research practice.
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Clinical Trial
Midterm results of prostaglandin E1 treatment in patients with lumbar spinal canal stenosis accompanied by intermittent claudication.
The midterm results of prostaglandin E1 (PGE1) treatment in patients with lumbar spinal canal stenosis, and discuss the factors influencing the improvement rate by using multivariable analysis. ⋯ Our midterm results showed that PGE1 was useful for treating intermittent claudication in patients with lumbar spinal canal stenosis. The effect of PGE1 was not related to the degree of stenosis obtained with images, age, or claudication distance, but was correlated with baseline disease severity (JOA scores before administration).
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A case report and clinical discussion. ⋯ There are no pathognomonic findings of blastomycosis on magnetic resonance imaging. Fungal osteomyelitis is rarely identified in this country, and blastomycosis is even less often diagnosed. This case illustrates that fungal osteomyelitis should be considered in the radiographic differential diagnosis until a definitive diagnosis is made through biopsy.
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Comparative Study
Revision of loosened iliac screws: a biomechanical study of longer and bigger screws.
The present study compared the biomechanics of 2 revision iliac screws: longer and bigger screws, on human cadaveric pelves. ⋯ Iliac screws are susceptible to loosening under cyclic loading due to the cancellous bone structure surrounding the screw body. Experimental data showed that the bigger revision iliac screw resists loosening better than the longer screw and the primary screw. Thus, the bigger revision screw is favored if the patient's anatomy allows such operation.
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Retrospective cohort study using National inpatient sample administrative data. ⋯ We used multivariate analysis to identify significant risk factors for visual loss after spine surgery. National population-based estimate of visual impairment after spine surgery confirms that ophthalmic complications after spine surgery are rare. Since visual loss may be reversible in the early stages, awareness, evaluation and prompt management of this rare but potentially devastating complication is critical.