Radiological results of image-based and non-image-based computer-assisted total knee arthroplasty

Baethis, Holger and Perlick, L. and Tingart, M. and Luering, C. and Perlick, C. and Grifka, Joachim (2004) Radiological results of image-based and non-image-based computer-assisted total knee arthroplasty. INTERNATIONAL ORTHOPAEDICS, 28 (2). pp. 87-90. ISSN 0341-2695, 1432-5195

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Abstract

Restoration of the mechanical limb axis and accurate component orientation are two major factors affecting the long-term results after total knee replacement (TKR). Different navigation systems are available to improve the outcome. Image-based systems require preoperative CT scans, while non-image-based systems gain all necessary information intra-operatively during a registration process. We studied 130 patients who received a TKR either using the CT-based (Knee 1.1) or the CT-free module (CT-free Knee 1.0) of the BrainLAB Vector-Vision Navigation System. Post-operative leg alignment and component orientation was determined on long-leg coronal and lateral X-rays. Sixty of 65 patients in the CT-based group and 63/65 patients in the CT-free group had a post-operative leg axis between 3degrees varus/valgus. No significant differences were found for varus/valgus orientation of the femoral and tibial components.

Item Type: Article
Uncontrolled Keywords: FEMORAL INTRAMEDULLARY GUIDES; REPLACEMENT; ALIGNMENT; EXPERIENCE;
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Orthopädie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 Jul 2021 05:32
Last Modified: 26 Jul 2021 05:32
URI: https://pred.uni-regensburg.de/id/eprint/37783

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