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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Case Reports
Unstable atlas fracture treatment by anterior plate C1-ring osteosynthesis using a transoral approach.
A retrospective study was conducted to evaluate anterior plate fixation of unstable atlas fractures using a transoral approach. ⋯ C1 anterior plate fixation using a transoral approach appears to be a safe, reliable, and function-preserving surgical method for the management of unstable atlas fractures. For this type of fracture, a transoral approach with anterior fixation should be considered as an alternative to posterior approaches or conservative treatments.
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After total disc replacement with a ball-and-socket joint, reduced range of motion and progression of facet joint degeneration at the index level have been described. The aim of the study was to test the hypothesis that misalignment of the vertebrae adjacent to the implant reduces range of motion and increases facet joint or capsule tensile forces. ⋯ Misalignment of the vertebrae adjacent to an artificial disc strongly increases facet joint or capsule forces. It might, therefore, be an important reason for unsatisfactory clinical results. In an associated clinical study (Part 2), these findings are validated.
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Traumatic ligament injuries of the craniovertebral junction, either isolated or associated with bone avulsion or fracture, often lead to death. These injuries are rare and underrated but are increasingly seen in emergency departments due to the improvement in initial on-scene management of accidents. Vertical atlantoaxial dislocation (AAD) is a specific lesion that was barely reported. Based on our experience, our goal was to systematically investigate the prevalence and prognosis of traumatic vertical AAD and discuss its management. ⋯ This study found a not insignificant incidence of vertical AAD and a high lethality rate. LMI appears to be a relevant radiological criterion for this diagnosis, for which traction is contraindicated. Associated neurological or vascular damage should be suspected and investigated. In our experience, spinal surgical fixation is required because of major instability.
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Observational Study
Thoracoscopically assisted corpectomy and percutaneous transpedicular instrumentation in management of burst thoracic and thoracolumbar fractures.
This is a prospective observational study. ⋯ Minimal invasive spinal techniques including thoracoscopic decompression and fusion and short segment posterior percutaneous instrumentation showed good clinical outcomes and can be considered as alternative to open procedures with decreased rates of morbidities in managing burst thoracic and thoracolumbar fractures.
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Case Reports
Vertebral artery injury and severely displaced odontoid fracture: the case for early reduction.
To report a novel treatment method for vertebral artery occlusion. Vertebral artery injuries have a high association with specific cervical fractures including atlanto-axial fractures, displaced fracture patterns, and transverse foramen fractures. Optimal medical management of the occluded vertebral artery has yet to be determined; however, there is an extremely high complication rate with systemic anticoagulation in these patients. Furthermore, unlike appendicular skeleton fracture-dislocations with vascular injury, there is no clear consensus as to the optimal acute management of the displaced odontoid fracture with or without vertebral artery injury. ⋯ To our knowledge, this is the first report of a displaced odontoid fracture in which cervical traction was used to restore the perfusion of the vertebral artery. Cervical traction may obviate the need for systemic anticoagulation and should be considered in patients who have an identifiable compression of the vertebral artery even if neurologically intact.