• J Arthroplasty · Apr 2012

    Multicenter Study

    Clinical outcome of the metal-on-metal hybrid Corin Cormet 2000 hip resurfacing system: an up to 11-year follow-up study.

    • Thomas P Gross, Fei Liu, and Lee A Webb.
    • Midlands Orthopeadics, P. A., Columbia, SC 29201, USA.
    • J Arthroplasty. 2012 Apr 1; 27 (4): 533-538.e1.

    AbstractThis report extends the follow-up for the largest center of the first multicenter US Food and Drug Administration investigational device exemption study on metal-on-metal hip resurfacing arthroplasty up to 11 years. A single surgeon performed 373 hip resurfacing arthroplasties using the hybrid Corin Cormet 2000 system. The Kaplan-Meier survivorship at 11 years was 93% when revision for any reason was used as an end point and 91% if radiographic failures were included. The clinical results demonstrate an acceptable failure rate with use of this system. Loosening of the cemented femoral components was the most common source of failure and occurred at all follow-up intervals. A learning curve that persisted for at least 200 cases was confirmed. All femoral neck fractures occurred before 6 months postoperatively.Copyright © 2012 Elsevier Inc. All rights reserved.

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