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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Clinical Trial
Surgical procedure and initial radiographic results of a new augmentation technique for vertebral compression fractures.
Recently, a new minimally invasive technique called 'vertebral body stenting' (VBS) was introduced for the treatment of osteoporotic vertebral fractures. The technique was developed to prevent the loss of reduction after deflation of the balloon and to reduce the complication rate associated with cement leakage. ⋯ The frequency of cement leakage after VBS was 25.5% compared to 42.1% in the vertebroplasty group. VBS led to a significant decrease in the leakage rate compared with conventional vertebroplasty.
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To determine the efficacy of total disc replacement (TDR) for the treatment of cervical spondylosis associated with atypical symptoms. ⋯ TDR may have a positive effect on atypical symptoms associated with cervical spondylotic myelopathy and/or radiculopathy.
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Clinical Trial
Abduction extension cervical nerve root stress test: anatomical basis and clinical relevance.
While the Lasègue straight leg raising test is an established test for lumbar nerve root compression, an established equivalent for cervical nerve root compression is missing. The aim of this bi-modal study was to find the most effective way to stretch the cervical nerve roots anatomically in cadavers and to assess its value in the clinical setting. ⋯ The described abduction extension test with posterior push on the humeral head creates a fulcrum over which the brachial plexus can be displaced to create stress on cervical nerve roots. This simple test is easy to perform clinically and aggravates radicular symptoms in most of the patients with cervical nerve root compression while it is negative in nearly all of the controls.
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To retrospective review the clinical outcomes of the modified operative technique using a polyester suture material (Ethibond* Excel) for atlantoaxial transarticular screw fixation and posterior fusion. ⋯ We concluded that the atlantoaxial transarticular screw fixation and posterior fusion using polyester cable can be used for C1-2 fusion with a high fusion rate and less complications in various cases.
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Magnetic resonance images (MRI) fluid sign and intravertebral vacuum phenomenon of the plain radiograph are considered as the characteristic radiological findings for vertebral osteonecrosis after spinal fractures. We aim to study the association between the radiological and histopathologic findings of vertebral osteonecrosis through the use of an open retrieval of specimens. ⋯ MRI fluid sign is more predictable to diagnose vertebral osteonecrosis in operative case, especially within the initial 5 months after injury.