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    STP1591

    Corrosion of Modular Junctions in Femoral and Acetabular Components for Hip Arthroplasty and Its Local and Systemic Effects

    Published: 29 January 2016


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    Abstract

    This paper reviews findings of previous and ongoing studies in our laboratories concerning the nature of corrosion in femoral and acetabular component modular junctions and its local and potential systemic effects. Corrosion of head-neck and neck-stem junctions generates ionic and particulate metallic products with the potential for adverse local tissue response, including a particle-induced macrophage response and a lymphocyte-dominated response to cobalt or chromium complexes resulting in widespread necrosis of the periprosthetic tissues. In addition to local effects, both particulate corrosion products and metallic ionic complexes can disseminate widely via lymphatic and hematogenous transport to remote organs where their long-term effect are incompletely understood.

    Keywords:

    corrosion, corrosion products, CoCrMo alloy, titanium alloy, adverse local tissue response, fretting corrosion, modular junction, hip arthroplasty


    Author Information:

    Hall, Deborah J.
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL

    Pourzal, Robin
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL

    Della Valle, Craig J.
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL

    Galante, Jorge O.
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL

    Jacobs, Joshua J.
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL

    Urban, Robert M.
    Rush University Medical Center, Dept. of Orthopedic Surgery, Chicago, IL


    Committee/Subcommittee: F04.22

    DOI: 10.1520/STP159120140134