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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The results of spinal fusion in patients with paralytic deformities are usually presented as the correction of the deformity. When evaluating the surgical results in such patients, it is advantageous to classify the patients into subgroups because of the varying dysfunction and disabilities. The aim of this study was to evaluate the effect of spinal fusion in patients with paralytic scoliosis in relation to function in terms of Impairments, activities in terms of Disabilities, and dependence in terms of Handicaps 1 year postoperatively, with emphasis on subgroups. ⋯ The subjective results assessed by the patients/relatives also showed a positive outcome of surgery. Weight distribution on a seating surface was improved, but still uneven, and with respect to better sitting balance and increasing time sitting in a wheelchair, this can involve a risk for pressure sores and needs further investigation. When introducing outcomes including the Disability level, one must take the importance of homogeneity in the groups into consideration.
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Odontoid fractures are frequent in patients over 70 years of age, and in patients over 80 years of age they form the majority of spinal fractures. In a retrospective analysis of 23 geriatric (> 70 years) patients with a fracture of the odontoid, we compared some of the clinical features to a contemporary series of patients younger than 70 years of age. Whereas in the younger patients high-energy trauma accounted for the majority of the fractures, low-energy falls were the underlying cause in 90% of the odontoid fractures in the elderly. ⋯ Loss of reduction and non-union after non-operative treatment, a complicated postoperative course and complications due to associated injuries accounted primarily for this high complication rate. Elderly patients with a fracture of the odontoid are a high-risk group with a high morbidity and mortality rate. An aggressive diagnostic approach to detect unstable fractures and application of a halo device or early primary internal stabilisation of these fractures is recommended.
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The study presented here is a pilot study in five patients with unstable thoracolumbar spine fractures treated with transpedicular OP-1 transplantation, short segment instrumentation and posterolateral fusion. Recombinant bone morphogenetic protein-7 in combination with a collagen carrier, also referred to as OP-1, has demonstrated ability to induce healing in long-bone segmental defects in dogs, rabbits and monkeys and to induce successful posterolateral spinal fusion in dogs without need for autogenous bone graft. Furthermore OP-1 has been demonstrated to be effective as a bone graft substitute when performing the PLIF maneuver in a sheep model. ⋯ In all cases there was loss of correction with regard to anterior and middle column height and sagittal balance at the latest follow-up. These preliminary results regarding OP-1 as a bone graft substitute and stimulator of new bone formation have been disappointing, as the OP-1 device in this study was not capable of inducing an early sufficient structural bone support. There are indications to suggest that OP-1 application to a fracture site in humans might result in detrimental enhanced bone resorption as a primary event.
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Numerous vertebral fracture patterns have been reported in the literature. We present the case of a patient who sustained severe trauma to the back that resulted in a very unusual and not previously reported rotational injury consisting in complete 180 degrees rotation of the T6 vertebral body along a vertical axis, with only limited anteroposterior and lateral displacement. ⋯ The aetiology of such displacement is unknown. The possibility of late vascular complications should be kept in mind while treating thoracic spine fractures with rotational displacement.
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A study was undertaken to analyse the prevalence of low back pain (LBP) and confounding factors in primary school children in the city of Antwerp. A total of 392 children aged 9 were included in the study. All children completed a validated three-page questionnaire and they all underwent a specific lumbar spine oriented medical examination during their annual routine medical school control. ⋯ The visual analogue scales concerning general well-being were all very significantly correlated with self-reported LBP, with children who reported LBP being more tired, less happy, and worse sleepers. Of the 19 clinical parameters taken down during the medical examination, only one was significantly more prevalent in the group of children reporting LBP: pain on palpation at the insertion site on the iliac crest of the ilio-lumbar ligament. From this study we can establish that there are few clinical signs that can help to single out school children with LBP.