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  1. 医学部
  1. 医学部
  2. 学術雑誌掲載論文  (医学部)

Influence of leg-length discrepancy on anterior acetabular coverage using false profile image

http://hdl.handle.net/10458/5777
http://hdl.handle.net/10458/5777
18f6535a-42e6-4920-aa78-71c0e61e91dc
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-06-21
タイトル
タイトル Influence of leg-length discrepancy on anterior acetabular coverage using false profile image
言語 en
言語
言語 eng
資源タイプ
資源タイプ journal article
アクセス権
著者 工藤, 正喜

× 工藤, 正喜

WEKO 26694

ja 工藤, 正喜

ja-Kana クドウ, マサキ

en Kudo, Masaki


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関本, 朝久

× 関本, 朝久

WEKO 7846

ja 関本, 朝久

ja-Kana セキモト, トモヒサ

en Sekimoto, Tomohisa


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坂本, 武郎

× 坂本, 武郎

WEKO 26698
e-Rad_Researcher 50325742

ja 坂本, 武郎

ja-Kana サカモト, タケロウ

en Sakamoto, Takero


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帖佐, 悦男

× 帖佐, 悦男

WEKO 7830
e-Rad_Researcher 00236837

ja 帖佐, 悦男

ja-Kana チョウサ, エツオ

en Chosa, Etsuo


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抄録
内容記述タイプ Abstract
内容記述 Background
Leg-length discrepancy (LLD) occurs commonly in patients with osteoarthritis (OA) of the hip. Although some investigators argue that LLD in a weight-bearing position may influence lateral acetabular coverage, there have been no reports on the influence of LLD on anterior acetabular coverage and the relationship between LLD and vertical center anterior margin (VCA) angle before and after LLD correction. Anterior acetabular coverage is an important index for diagnosis, treatment, and surgery for OA of the hip. Therefore, we investigated the influence of LLD in a weight-bearing position on VCA angle.
Methods
There were 154 patients with LLD in OA of the hip and 146 healthy individuals without LLD. The sole of the short-leg side in patients was adjusted with an acrylic plate, and the LLD revision value was calculated in the anteroposterior (AP) view in a weight-bearing position. Calculated revision value was applied to individuals and VCA angles in false profile images before and after correction was measured. For healthy individuals, we corrected the sole of the nonexamined side with an acrylic plate to artificially increase LLD and then measured VCA angles in false profile images before and after correction.
Results
Significant difference was found in VCA angles between before and after LLD correction in patients and healthy individuals (p < 0.05). Difference in VCA angles before and after LLD correction in both patients and health individuals highly correlated with LLD level in both short- and long-leg sides.
Conclusions
This study clarified that LLD in a weight-bearing position influenced VCA angle. Results suggested that comparison of images before and after correction increases diagnostic accuracy. Assessing anterior acetabular coverage before and after LLD correction is valuable in evaluating the need for surgery, suitable correction of osteotomized acetabular fragments in periacetabular osteotomy, and determining acetabular cup angle in artificial joint replacement.
言語 en
内容記述
内容記述タイプ Other
内容記述 Citation:
Kudo M, Sekimoto T, Sakamoto T, Chosa E. Influence of leg-length discrepancy on anterior acetabular coverage using false profile image. J Orthop Sci. 2015 Sep;20(5):861-7. doi: 10.1007/s00776-015-0738-0. Epub 2015 Jun 6. PMID: 26047927.
言語 en
書誌情報 en : Journal of Orthopaedic Science

巻 20, 号 5, p. 861-867, 発行日 2015-09
出版者
出版者 Springer Verlag
言語 en
出版者
出版者 日本整形外科学会
言語 en
出版者
出版者 THE JAPANESE ORTHOPAEDIC ASSOCIATION
言語 en
ISSN
収録物識別子タイプ ISSN
収録物識別子 09492658
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s00776-015-0738-0
権利
言語 en
権利情報 © 2016, The Japanese Orthopaedic Association. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
著者版フラグ
出版タイプ NA
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Cite as

工藤, 正喜, 関本, 朝久, 坂本, 武郎, 帖佐, 悦男, 2015, Influence of leg-length discrepancy on anterior acetabular coverage using false profile image: THE JAPANESE ORTHOPAEDIC ASSOCIATION, 861–867 p.

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