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Journal of Korean Neurosurgical Society > Volume 27(11); 1998 > Article
Journal of Korean Neurosurgical Society 1998;27(11): 1512-1517.
Clinical Analysis of Posterior C1-C2 Fusion for Atlantoaxial Instability.
In Seok Hwang, Seung Chul Rhim, Sung Woo Roh, Jung Hoon Kim, Young Shin Ra, Chang Jin Kim, Yang Kwon, Jung Kyo Lee, Byung Duk Kwun
Department of Neurological Surgery, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
The authors analyzed the surgical results of posterior C1-C2 fusion in 18 cases of atlantoaxial instability. Posterior C1-C2 wiring with bone fusion(11 cases), C1-C2 transarticular screw fixation(6 cases), and occipitocervical fusion(1 case) have been performed for unstable odontoid process fractures(10 cases), transverse ligament injury(4 cases), os odontoideum(3 cases), rheumatoid C1-2 instability(1 case). Follow-up examination was performed in all patientts after a mean postoperativeduration of 39.9 months. Follow-up x-rays showed successful stabilization in 17 cases(94%). Postoperative neurological evaluation showed improvement in 16 cases(89%), stabilization in 2 cases(11%) and there was no major operative complication.
Key Words: Atlantoaxial instability; Posterior C1-C2 wiring with bone fusion; Transarticular screw fixation
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