KMID : 0388720060130030205
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Journal of Korean Society of Spine Surgery 2006 Volume.13 No. 3 p.205 ~ p.209
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C1-2 Instability associated with Duplicated Vertebral Artery: A Case Report
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Park Seong-Kyu
Yeom Jin-Sup Shim Dae-Moo Park Kun-Woo Chang Bong-Soon Lee Choon-Ki
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Abstract
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A vertebral artery injury is one of the most critical complications of atlantoaxial fixation. Abnormal courses or congenital anomalies of the vertebral artery increase its risk. The authors report a case of a patient who had an atlantoaxial subluxation associated with severe spinal cord compression and a duplicated vertebral artery. The atlantoaxial subluxation, which was not reduced satisfactorily by an intraoperative head position change or direct manipulation of the atlas and axis, precluded a transarticular screw fixation. The lack of free space around the spinal cord precluded a sublaminar wiring. The duplicated vertebral artery made it difficult to insert C1 lateral mass screws and C2 pedicle screws with Harms¡¯ technique.
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KEYWORD
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Duplicated vertebral artery, Atlantoaxial instability, Atlantoaxial fixation
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