Spinal cord compression by multistrand cables after solid posterior atlantoaxial fusion
書誌事項
- タイトル別名
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- Spinal cord compression by multistrand cables after solid posterior atlantoaxial fusion. Report of three cases.
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説明
The sublaminar wiring procedure has been commonly used for stabilizing the atlantoaxial complex. Multistrand braided cables were introduced in the early 1990s. In previous biomechanical studies these cables were demonstrated to be superior to monofilament wires in terms of their flexibility, mechanical strength, and fatigue-related characteristics. To the authors' knowledge, they are the first to describe clinically the occurrence of delayed spinal cord compression resulting from multistrand cables after the completion of rigid spinal arthrodesis in the upper cervical spine. Three patients underwent posterior atlantoaxial fusion in which two sublaminar multistrand cables were placed. Between 15 and 48 months postoperatively, they suffered from upper- and lower-extremity numbness as well as gait disturbance. Plain radiography and computerized tomography myelography revealed spinal cord compression caused by the sublaminar cables, although fusion was complete and physiological alignment was maintained at the fused segment. The radiographs obtained immediately after surgery demonstrated that the initial cable placement had been properly performed. The shape of the cable at the initial surgery was oval and then gradually became circular. The anterior arc of the circular shape of the cable in fact led to the spinal cord compression. Considering the mechanism of this late complication, a cable tends to spring open because of its high flexibility and becomes circular shaped even after the complete arthrodesis. When applying multistrand cables for intersegmental fixation at the atlantoaxial complex, delayed complications related to bowing of the cables is possible.
収録刊行物
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- Journal Of Neurosurgery
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Journal Of Neurosurgery 97 (3), 359-361, 2002-10
American Association of Neurological Surgeons
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詳細情報 詳細情報について
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- CRID
- 1050845763909288320
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- NII論文ID
- 120000957713
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- HANDLE
- 2115/14598
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- ISSN
- 00223085
- 15475654
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- PubMed
- 12408393
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles
- OpenAIRE