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Evaluation of Component Position and Coronal Alignment after Conventional and Computer-assisted Total Knee Arthroplasty Daisuke KAWAMURA 1,2 , Goro KAWAMURA 1,2 , Sumito KAWAMURA 1,2 1Kawamura Orthopaedic Clinic Joint Replacement Center 2Kobayashi Hospital Keyword: 人工膝関節置換術 , total knee arthroplasty , コンピュータ支援手術 , computer-assisted Surgery , 前額面アライメント , coronal alignment , 矢状面アライメント , sagittal alignment pp.363-369
Published Date 2011/4/25
DOI https://doi.org/10.11477/mf.1408101967
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 We evaluated component position and coronal alignment after conventional TKA (conventional group) and after computer-assisted TKA (navigation group). The component position (β angle) was especially accurate. The γ angle, was larger in the navigation group, and coronal alignment was better in the navigation group (89% within ±3° varus/valgus versus 75% within ±3° varus/valgus in the conventional group). Computer-assisted surgery was shown to improve the alignment of the implant, however, operation time was about 16 minutes longer in navigation group.


Copyright © 2011, Igaku-Shoin Ltd. All rights reserved.

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

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