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Computer-assisted navigation in total knee arthroplasty: a review of literature

  • Valentin Michael Quack EMAIL logo , Susanne Kathrein , Bijörn Rath , Markus Tingart and Christian Lüring
Published/Copyright: May 30, 2012

Abstract

Computer-assisted navigation surgery (CAS) has been performed in total knee arthroplasty (TKA) for approximately 10 years. This technique offers experienced and inexperienced surgeons improved control and reproducible results. Currently, 30% of primary total knee replacements are performed using the CAS technique in Germany. The main problems after total knee replacement are generally aseptic loosening, instability and infection. According to various authors, the main reason for aseptic loosening is an inadequate alignment of the mechanical limb axis. Several level I and II studies have demonstrated that CAS leads to significantly less axial deviation. Nevertheless, there are critical arguments against CAS for routine use, such as longer operation times and higher costs. Additionally, there are still no long-term results available that post a definitive statement about lower revision rates, declining numbers of aseptic loosening, cost-effectiveness and clinical outcomes following CAS.


Corresponding author: Dr. Valentin Michael Quack, Department of Orthopaedic Surgery, University of Aachen, Pauwelsstrasse 30, 52072 Aachen, Germany Phone: +49-241-8037353 Fax: +49-241-8082453

Received: 2012-4-30
Accepted: 2012-5-10
Published Online: 2012-05-30
Published in Print: 2012-08-01

©2012 by Walter de Gruyter Berlin Boston

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