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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 169 - 169
1 Sep 2012
Repantis T Aroukatos P Bravou V Repanti M Korovessis P
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Background

An increased incidence of periprosthetic osteolysis, resulting in loss of biologic fixation, has been recently reported in contemporary THAs with low-carbide metal-on-metal compared to metal-on-polyethylene couple bearings. A hypersensitivity reaction due to Co and Cr debris is reported as a potential cause for failure of THAs with high-carbide bearings, but there are no evidence-based data for this reaction in low-carbide metal-on-metal bearings.

Questions/purposes

We investigated whether there were differences in immunologic hypersensitivity reactions in retrievals from revised THAs with COP versus MOM bearing couples.