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Eur J Orthop Surg Traumatol. 2013 Jan;23(1):93-6. doi: 10.1007/s00590-011-0912-9. Epub 2011 Nov 25.

Total knee arthroplasty using navigation system for severe osteoarthritis with extra-articular deformity.

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  • 1Department of Orthopaedic Surgery, The Sixth Affiliated People's Hospital, Medical School of Shanghai JiaoTong University, No. 600 Yishan Road, 200233 Shanghai, China.

Abstract

PURPOSE:

The purpose of this study was to evaluate the use of total knee arthroplasty (TKA) using a computer-assisted navigation system for treating osteoarthritis with extra-articular deformity.

METHODS:

Between January 2006 and January 2009, computer-assisted navigation TKAs were performed on eight knees in eight patients, who had severe osteoarthritis with an ipsilateral extra-articular deformity. All patients were followed up for a minimum of 24 months. The involved knees were evaluated by function scores, Knee Society knee scores, and analyzing knee flexion before the operation and at the latest follow-up.

RESULTS:

Postoperatively, the function scores, Knee Society knee scores, and knee flexion all improved significantly. The ideal mechanical axis of the lower extremity was obtained in all cases.

CONCLUSION:

TKA using a computer-assisted navigation system might provide an efficient treatment for patients with osteoarthritis in combination with an extra-articular deformity.

PMID:
23412413
[PubMed - indexed for MEDLINE]
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