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J Arthroplasty. 2015 Oct;30(10):1804-9. doi: 10.1016/j.arth.2015.04.019. Epub 2015 Apr 24.

Long-Term Clinical Outcomes and Survivorship of Revision Total Knee Arthroplasty with Use of a Constrained Condylar Knee Prosthesis.

Author information

1
Joint Replacement Center, Ewha Woman's University School of Medicine, Seoul, Republic of Korea.

Abstract

The purpose of this study was to determine long-term clinical and radiographic results. One hundred and ninety-four patients (228 knees) underwent revision TKA with use of a constrained condylar knee prosthesis. The mean duration of follow-up was 14.6 years (range, 11 to 16 years). The mean pre-revision Knee Society knee scores (43.5 points) and function scores (47.0 points), and Western Ontario and McMaster Universities Osteoarthritis index scores (88 points) were improved significantly (P=0.002) to 85.6, 68.5, and 25 points, respectively, at 14.6 years follow-up. Eighteen knees (8%) had re-revision. Four knees were re-revised for infection. Kaplan-Meier survivorship analysis revealed that the 16-year rate of survival of the components was 94.7% as the end point of loosening and 92% as the end point of revision.

KEYWORDS:

clinical outcomes; constrained condylar knee prosthesis; radiographic outcomes; revision; total knee arthroplasty

PMID:
25953383
DOI:
10.1016/j.arth.2015.04.019
[Indexed for MEDLINE]

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