Frontal bone fracture patterns suggesting involvement of optic canal damage

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国立国会図書館デジタルコレクション

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DOI[info:doi/10.1097/SCS.0000000000004926]to the data of the same series

Frontal bone fracture patterns suggesting involvement of optic canal damage

Persistent ID (NDL): info:ndljp/pid/11671738

Material type: 博士論文

Author: 今城, 広治

Publisher: -

Publication date: 2021-03-24

Material Format: Digital

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Name of awarding university/degree: 香川大学,博士（医学）

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Note (General)：: Purpose: Fracture of the frontal bone can be accompanied by damage to the optic canal. The present study uses finite element analysis to identify frac...

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Material Type: 博士論文
Title: Frontal bone fracture patterns suggesting involvement of optic canal damage
Author/Editor: 今城, 広治
Author Heading: 今城, 広治
Publication Date: 2021-03-24
Publication Date (W3CDTF): 2021-03-24
Alternative Title: 顔面骨に加わる衝撃のパターンと結果として生じる骨折の関係の解明
Degree grantor/type: 香川大学
Date Granted: 2021-03-24
Date Granted (W3CDTF): 2021-03-24
Dissertation Number: 甲第765号
Degree Type: 博士（医学）
Conferring No. (Dissertation): 甲第765号
Text Language Code: eng
Alias of Author: Imajo, Koji
Subject Heading: Blindness
finite element analysis
fracture
frontal bone
optic canal
orbit
simulation
Target Audience: 一般
Note (General): Purpose: Fracture of the frontal bone can be accompanied by damage to the optic canal. The present study uses finite element analysis to identify fracture patterns, suggesting the involvement of the optic canal.
Methods: Ten finite-element skull models were generated from computer tomography data of 10 persons. Then, dynamic analyses simulating collision of a 2-cm-radius brass ball to 6 regions on the frontal bone in the 10 models were performed. Fracture patterns presented by the frontal bone in the 60 experiments were observed, and all those involving the optic canal were selected. Commonalities of the selected fracture patterns were identified.
Results: Fracture of the optic canal was observed in 9 of the 60 patients. In all 9 patients, fracture existed on the anterior and posterior walls of the frontal sinus and on the superior orbital wall.
Conclusion: When the anterior and posterior walls of the frontal sinus and the superior orbital wall are all broken, the optic canal is highly likely to be involved in the damage. When this pattern is observed in emergency examination, preventive decompression of the optic nerve should be considered to avoid potential occurrence of blindness.
DOI: info:doi/10.1097/SCS.0000000000004926
https://doi.org/info:doi/10.1097/SCS.0000000000004926
Persistent ID (NDL): info:ndljp/pid/11671738
https://dl.ndl.go.jp/pid/11671738
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2021-05-16T23:51:55+09:00
Date Created (W3CDTF): 2021-04-21
Format (IMT): PDF
Access Restrictions: 国立国会図書館内限定公開
Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
Availability of remote photoduplication service: 可
Periodical Title (URI): https://kagawa-u.repo.nii.ac.jp/records/7331
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
https://dl.ndl.go.jp