Spine
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Multicenter Study
Diabetes and early postoperative outcomes following lumbar fusion.
Retrospective cohort study using data from the Nationwide Inpatient Sample administrative data from 1988 through 2003. ⋯ This nationally representative study of inpatients in the United States provides evidence that diabetes is associated with increased risk for postoperative complications, nonroutine discharge, increased total hospital charges, and length of stay following lumbar fusion. Prospective studies to determine causality as well as the potential impact of diabetes control on these variables have not yet been done.
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Review Case Reports
Delayed presentation of pulmonary polymethylmethacrylate emboli after percutaneous vertebroplasty.
Literature review concerning pulmonary embolism of polymethylmethacrylate (PMMA) material following percutaneous vertebroplasty and a report on 2 new cases. ⋯ These 2 cases allow us to conclude that the risk of pulmonary embolism of PMMA might be underestimated. We propose routine chest radiograph following every vertebroplasty, in order to detect pulmonary PMMA embolism and thereby prevent serious delayed cardiopulmonary failures.
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Multicenter Study Comparative Study
Is the SRS-22 instrument responsive to change in adult scoliosis patients having primary spinal deformity surgery?
Multicenter study. ⋯ Based on these 3 outcome tools, the greatest responsiveness to change was demonstrated by the SRS self-image domain followed by SRS total, then SRS pain, then ODI. This suggests that the SRS tool is more responsive than ODI, which is more responsive than SF-12 to change brought on by primary surgical treatment of adult scoliosis patients. Surgical treatment in adult scoliosis significantly improved pain, self-image, and function based on the health-related quality of life measures used in this study.
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Multicenter Study Comparative Study
A prospective study of brace treatment versus observation alone in adolescent idiopathic scoliosis: a follow-up mean of 16 years after maturity.
The Swedish patients included in the previous SRS brace study were invited to take part in a long-term follow-up. ⋯ The curves of patients with adolescent idiopathic scoliosis with a moderate or smaller size at maturity did not deteriorate beyond their original curve size at the 16-year follow-up. No patients treated primarily with a brace went on to undergo surgery, whereas 6 patients (10%) in the observation group required surgery during adolescence compared with none after maturity. Curve progression was related to immaturity.
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Comparative Study
Posterior lumbar interbody fusion versus posterolateral fusion in adult isthmic spondylolisthesis.
A prospective study with historical controls. ⋯ Type of fusion, PLIF or PLF, does not affect the 2-year outcome of surgical treatment of adult isthmic spondylolisthesis. Despite the theoretical advantages of PLIF, no improvement on patient outcome compared with posterolateral fusion could be demonstrated, questioning the need of anterior support in short lumbar fusions.