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Evaluation of Prosthetic Implant Degradation

Orthopedic Prostheses


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December 2011

Over a million artificial hips are implanted annually. Recently, a small number of adverse reactions to metal debris have occurred, resulting in significant pain and need for intervention. This problem is related to the use of metal-on-metal implants. Dr. Sierra and Dr. Moyer discuss when a patient should be evaluated for excessive implant wear, the simple serum test that can rapidly identify when a metal-on-metal implant is wearing excessively, and the need for proper specimen collection for a successful evaluation.


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