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KMID : 0359819960250040882
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Journal of Korean Neurosurgical Society
1996 Volume.25 No. 4 p.882 ~ p.889
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Posterior Atlantoaxial Transarticular Screw Fixation with Interspinous Iiiac Bone Graft for Atlantoaxial Instability
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주형근
최원규/김의중/문형봉/조현원/윤성문
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Abstract
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Atlato-axial instability is a serious condition that often requires operation Atlanto-axial subluxation may cause severe symptoms ; and threaten the intergrity of the spinal cord leading to quadriplegia or sudden death. A techique of combining
C1-C2
posterior screw fixation with a supplemental bone wire fusion has been advocated for the management of atlantoaxial instability. It was used in 9 patients with this disorder. Patients' ages ranged from 20 years to 52 years : follow-up period
ranged
from
3 to 16 months with a mean of 9.8 months. All nine patients gained immediate rigid fixation of C12 with this technique. Of these 9 patients. instability occured due to trauma in seven. os odotoideum in one and os odontoideum with trauma in
another
one.
One patient was presented with nonunion and C12 instability after a Halovest application as a result of type II odontoid fracture. All 9 patients were placed in a philadelphia collar for 12weeks and all achieved solid fusion Posterior
atlantoaxial
facet
screw fixation provides immediate multidirectional rigid fixation of C12 and is mechanically superior to wiring or clamp fixation. This technique maximizes success without the need for a supplemental rigid external orthosis.
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