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Computer-aided Surgery for Upper Cervical Lesions in RA Patients Atsushi Seichi 1 , Susumu Nakajima 1 , Katushi Takeshita 1 , Tomoaki Kitagawa 1 , Toru Akune 1 , Hiroshi Kawaguchi 1 , Kozo Nakamura 1 1Department of Orthopaedic Surgery, Tokyo University School of Medicine Keyword: computer-aided surgery , コンピュータ支援手術 , upper cervical spine , 上位頚椎 , rheumatoid arthritis , 関節リウマチ pp.421-426
Published Date 2003/4/1
DOI https://doi.org/10.11477/mf.1408100677
  • Abstract
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 In this study the authors demonstrated that frameless stereotaxy can be applied safely to upper-cervical lesions caused by rheumatoid arthritis (RA). Instrumentation surgery performed with an image-guidance system was used to treat 19 RA patients with atlanto-axial instability between February 2000 and the end of January 2002. Neural and vascular injury was evaluated, and postoperative computerized tomography was used to determine the accuracy of screw placement. There were no neurovascular complications, and screw placement was highly accurate. No correction loss or instrumentation failure occurred. Image-guidance systems are useful tools in preoperative planning and in transarticular and pedicular screw placement in the cervical spine of RA patients.


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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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