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Double-bundle anterior cruciate ligament reconstruction improves tibial rotational instability: Analysis of squatting motion using a 2D/3D registration technique

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タイトル: Double-bundle anterior cruciate ligament reconstruction improves tibial rotational instability: Analysis of squatting motion using a 2D/3D registration technique
その他のタイトル: 二重束前十字靭帯再建術は脛骨回旋を改善させる: 2D/3Dレジストレーション法を用いたスクワット動作の解析
著者: 木寺, 健一
著者(別表記) : Kidera, Kenichi
発行日: 2018年 9月 5日
出版者: BioMed Central Ltd
引用: Nagasaki University (長崎大学), 博士(医学) (2018-09-05)
抄録: Background: The anterior cruciate ligament-deficient (ACLD) knee requires appropriate treatment for the patient to return to sports. The purpose of this study was to clarify the kinematics of the anterior cruciate ligament-deficient knee in squatting motion before and after double-bundle anterior cruciate ligament reconstruction (DB-ACLR) using a 2D/3D registration technique. Methods: The subjects of this study were 10 men with confirmed unilateral ACL rupture who underwent DB-ACLR. Computed tomography (CT) of the knee joints was performed before DB-ACLR. Fluoroscopic imaging of the knee motion in squatting before and after DB-ACLR was also performed. The 2D/3D registration technique is a method of calculating positional relationships by projecting the 3D bone model created from the CT data onto the image extracted from the fluoroscopic images. The tibial anteroposterior (AP) and rotational positions were analyzed with reference to the femur. Results: The tibial AP position of the ACLD knees was significantly anterior to the contralateral knees (p = 0.015). The tibial rotational position of the ACLD knees was significantly internally rotated compared to the contralateral knees (p < 0.001). Both tibial AP and rotational positions improved after DB-ACLR (p < 0.001), with no significant differences compared to the contralateral knees. Conclusion: DB-ACLR improved not only tibial AP instability but also tibial rotational instability at knee flexion with weight-bearing. DB-ACLR appears to be a useful technique for normalizing the knee joint kinematics of ACLD knees.
記述: 長崎大学学位論文 学位記番号:博(医歯薬)甲第1090号 学位授与年月日:平成30年9月5日 / Author: Kenichi Kidera, Akihiko Yonekura, Takeshi Miyaji, Yusuke Nakazoe, Kazuyoshi Gamada, Kei Yoneta, Futoshi Ikuta, Masato Tomita, Takashi Miyamoto, Shiro Kajiyama, Akira Hozumi, Ko Chiba, Narihiro Okazaki, Takayuki Shida and Makoto Osaki / Citation: Journal of Orthopaedic Surgery and Research, 13, 111; 2018
キーワード: Knee kinematics / Anterior cruciate ligament / Double-bundle anterior cruciate ligament reconstruction / 2D/3D registration technique
URI: http://hdl.handle.net/10069/38577
DOI: 10.1186/s13018-018-0825-y
権利: © The Author(s). 2018 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
資料タイプ: Thesis or Dissertation
原稿種類: ETD
出現コレクション:110 学位論文

引用URI : http://hdl.handle.net/10069/38577



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