Surgery for Chronic Traumatic Atlantoaxial Dislocation Associated With Myelopathy

Clinical Spine Surgery : a Spine Publication
Lingjun WangHui-Lin Yang

Abstract

A retrospective study. To evaluate the outcomes of myelopathy caused by atlantoaxial dislocation (AAD). No reports to date have accurately evaluated the results of surgery for delayed myelopathy for patients with chronic AAD. Thus, the appropriate surgical time and methods of decompression and fusion remain a hot debate. In our study, 18 patients underwent decompression, fixation, and fusion. Demographic data, operation time, blood loss, and complications were evaluated. The Japanese Orthopedic Association Scale, severity of disability and visual analogue scale were evaluated. The fusion rate, space available for the cord, instability index, cord compression index, and cord decompression rate were also assessed. The average time of operation was 248±50 minutes, and blood loss was 350±200 mL. Five patients in grade I maintained their neurological status, and the others had improved neurological status. With average follow-up time of 15.3±9.6 months, the Japanese Orthopedic Association score improved, the visual analogue scale score decreased, the space available for the cord improved, and the instability index and cord compression index decreased. Cord decompression rate was 65.9%. Fusion rate reached 83%. There is a high risk o...Continue Reading

References

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Feb 7, 2006·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Sai-Cheung LeeShih-Tseng Lee
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Apr 22, 2011·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Xue Feng LiGen Lin Wang
Mar 13, 2012·Neurology India·Vijendra K Jain

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