Alignment in total knee arthroplasty - A comparison of computer-assisted surgery with the conventional technique

Baethis, H. and Perlick, L. and Tingart, M. and Luering, C. and Zurakowski, D. and Grifka, Joachim (2004) Alignment in total knee arthroplasty - A comparison of computer-assisted surgery with the conventional technique. JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME, 86B (5). pp. 682-687. ISSN 0301-620X, 2044-5377

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Abstract

Restoration of neutral alignment of the leg is an important factor affecting the long-term results of total knee arthroplasty (TKA). Recent developments in computer-assisted surgery have focused on systems for improving TKA. In a prospective study two groups of 80 patients undergoing TKA had operations using either a computer-assisted navigation system or a conventional technique. Alignment of the leg and the orientation of components were determined on post-operative long-leg coronal and lateral films. The mechanical axis of the leg was significantly better in the computer-assisted group (96%, within +/-3degrees varus/valgus) compared with the conventional group (78%, within +/-3degrees varus/valgus). The coronal alignment of the femoral component was also more accurate in the computer-assisted group. Computer-assisted TKA gives a better correction of alignment of the leg and orientation of the components compared with the conventional technique. Potential benefits in the long-term outcome and functional improvement require further investigation.

Item Type: Article
Uncontrolled Keywords: FEMORAL INTRAMEDULLARY GUIDES; REPLACEMENT; PROSTHESIS; EXPERIENCE;
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Orthopädie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 12 Jul 2021 07:08
Last Modified: 12 Jul 2021 07:08
URI: https://pred.uni-regensburg.de/id/eprint/37498

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