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Computer-Assisted Total Knee Arthroplasty: A Systematic and Critical Review of the Current Literature

Christian Lüring, MD, PhD

The past 10 years have seen the rapid development of computer-assisted surgery (CAS) for total knee arthroplasty (TKA). Many surgeons now perform TKA using navigation systems because they are user-friendly and generate reproducible results. To date, there are several level 1 studies and meta-analyses demonstrating that navigation in TKA allows more precise implantation of the prosthesis, which aids both postoperative leg alignment and component orientation. However, CAS is time consuming and still requires an experienced surgeon. In addition, whether this new technique improves the longevity of TKA remains unknown, with only a few short-term reports currently available. This article describes the technique, benefits, and risks of CAS-TKA, and provides an overview of the current literature. Adv Orthop 2009;1(2):58–63.

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