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  • Title: [Dissociation of the acetabular metallic inlay of a metal-on-metal total hip arthroplasty].
    Author: Cazenave A.
    Journal: Rev Chir Orthop Reparatrice Appar Mot; 2008 Jun; 94(4):399-402. PubMed ID: 18555867.
    Abstract:
    Total hip arthroplasty was performed in November 2001 in a 30-year-old active patient with degenerative hip disease. A metal-on-metal bearing was used. Follow-up was considered excellent until the development of pain and squeaking at hip mobilization, leading to revision in March 2006. The acetabular metallic inlay of the metal-on-metal insert was found detached from the polyethylene insert; half of the diameter of the neck of the femoral stem was sectioned. Complete revision was performed with an acetabular graft. At one year follow-up, anatomic and functional outcome has been excellent. To our knowledge, this is the first report of this kind of mechanical failure of a metal-on-metal total hip arthroplasty.
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