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 aim of this study was to determine whether anterior column support is required in Smith-Petersen osteotomy procedure with correction angles of more than 10°, while examining the subsequent healing patterns in relation to the disrupted area. ⋯ In our study of subjects presenting with anterior opening angles from 10° to 32°, we obtained successful fusion without the need for additional anterior interbody fusion. Improved gap healing and increased correction angles were obtained when the opening was present in the upper or lower body endplates compared to those at the disc space level.
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Blunt cerebrovascular injuries (BCVI) of the extra- or intracerebral vessels are frequently observed lesions which may lead to thrombembolic events with focal neurological deficits, stroke or death particularly in patients <60 years. However, a comprehensive standardised clinical algorithm for screening and management of these secondary injuries is still lacking. ⋯ Our results indicate that implementation of the screening protocol can prevent strokes in patients without primary thrombembolic neurological deficits.
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Internal fixation of unstable thoracolumbar spine fractures requires correction of the lacking anterior column support. This usually entails insertion of a vertebral body replacement strut through an anterior approach, or a long posterior construct spanning at least two vertebrae above and two vertebrae below the fracture. Posterior short-segment pedicle instrumentation (SSPI)--one vertebra above and below--is suitable for approximately 40% of fractures, but not for all. ⋯ Percutaneous augmented short-segment pedicle instrumentation of unstable thoracolumbar fractures can be done with short operative times, minimal blood loss and a low complication rate. The radiographical results at 1 year are equal to anterior stabilization and are better than other posterior-only techniques.
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We present 120 patients (37 males, 83 females) affected by thoracic lumbar scoliosis, treated by posterior instrumented arthrodesis with the insertion of pedicle screws by "free hand technique", without any image guided system, radioscopy use during insertion or intraoperative neurophysiological monitoring. ⋯ In our experience pedicle screws is the method that leads to best correction and balance on vertebral bodies, with best results at distance concerning correction maintaining. Our experience shows that even at thoracic level, pedicle screws insertion by free-hand technique is safe and reliable.
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To present the motor deficits and type of neurogenic bladder dysfunction (NBD) in patients with vertebral fractures at thoracolumbar junction. ⋯ Half of the patients had epiconus lesion following thoracolumbar junction fracture, and they had a clinical presentation of flaccid legs and spastic NBD. Patients with L2 fracture had higher LEMS than patients with T11, T12, and L1 fracture. Patients whose LEMS was higher than 20 could all walk functionally. Fracture at the thoracolumbar junction may cause spastic, flaccid, or mixed type NBD, and urodynamic study is an essential tool for the correct diagnosis and management. Ankle spasticity has a high positive predictive value for spastic bladder or sphincter.