| Computer Navigated Versus Conventional Total Knee Arthroplasty. | |
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MedLine Citation:
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PMID: 23150163 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In total knee arthroplasty (TKA), reconstruction of a neutral mechanical axis is of great importance. The main goal of this study was to compare the accuracy of alignment after conventional versus computer-assisted TKA. Additionally, the effect of computer-assisted surgery (CAS) on functional outcome was analyzed. Out of a consecutive series, 50 conventional TKA were compared with 50 computer-assisted TKA. Except for the use of CAS, all perioperative and postoperative interventions were comparable. Radiological outcome was analyzed on standardized standing long-leg radiographs. Functional outcome was assessed using the Oxford Knee Score (OKS) and the Knee Society Score (KSS). No significant difference in mean mechanical axis alignment between the two groups was found. The number of outliers deviating more than 3 degrees from the mechanical axis was significantly reduced by using CAS, with 50% outliers in the conventional group and 26% outliers in the CAS group (p = 0.023). At mid-term follow-up, the OKS and KSS knee and function scores did not show statistical difference between the two groups. The present study showed a reduction of the number of outliers exceeding 3 degrees from the tibiofemoral mechanical axis using CAS-TKA. This improvement in accuracy did not result in improvement of the functional outcome at mid-term follow-up. |
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Authors:
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Jaap J Tolk; Henk W J Koot; Rob P A Janssen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-3 |
Journal Detail:
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Title: The journal of knee surgery Volume: 25 ISSN: 1538-8506 ISO Abbreviation: J Knee Surg Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-11-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137599 Medline TA: J Knee Surg Country: - |
Other Details:
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Languages: ENG Pagination: 347-352 Citation Subset: - |
Copyright Information:
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Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA. |
Affiliation:
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Máxima Medical Centre, Orthopedic Centre Máxima, Eindhoven, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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