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ID 40014
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Author
Sugimoto, Yoshihisa
Ito, Yasuo
Tomioka, Masao
Shimokawa, Tetsuya
Shiozaki, Yasuyuki
Mazaki, Tetsuro
Abstract
Correct screw placement is especially difficult in the upper thoracic vertebrae. At the cervicothoracic junction (C7-T2), problems can arise because of the narrowness of the pedicle and the difficulty of using a lateral image intensifier there. Other upper thoracic vertebrae (T3-6) pose a problem for screw insertion also because of the narrower pedicle. We inserted 154 pedicle screws into 78 vertebrae (C7 to T6) in 38 patients. Screws were placed using intraoperative data acquisition by an isocentric C-arm fluoroscope (Siremobile Iso-C3D) and computer navigation. Out of 90 pedicle screws inserted into 45 vertebrae between C7 and T2, 87 of the 90 (96.7%) screws were classified as grade 1 (no perforation). Of 64 pedicle screws inserted into 33 vertebrae between T3 and T6, 61 of 64 (95.3%) screws were classified as grade 1. In this study, we reduced pedicle screw misplacement at the level of the C7 and upper thoracic (T1-6) vertebrae using the three-dimensional fluoroscopy navigation system.
Keywords
Iso-C3D
three-dimensional fluoroscopy
navigation
upper thoracic
pedicle screw
Amo Type
Original Article
Published Date
2010-06
Publication Title
Acta Medica Okayama
Volume
volume64
Issue
issue3
Publisher
Okayama University Medical School
Start Page
209
End Page
212
ISSN
0386-300X
NCID
AA00508441
Content Type
Journal Article
language
英語
Copyright Holders
Okayama University Medical School
File Version
publisher
Refereed
True
PubMed ID
Web of Sience KeyUT