Publicou 4 edições por ano
ISSN Imprimir: 1050-6934
ISSN On-line: 1940-4379
Indexed in
Explantation and Analysis of the First Retrieved Human Acetabular Cup Made of Polycarbonate Urethane: A Case Report
RESUMO
This report describes the first human retrieval of a polycarbonate-urethane (PCU) acetabular cup implanted for 10.5 months that was revised for pain of unknown origin. By using a micro-CT analysis, the articulating surface was determined to have a wear rate of less than 1.4 mm3 per year. An analysis of the synovial fluid retrieved at the time of revision found an average particle size of 1 μm diameter. Overall, the surgical findings and analysis were consistent with the results observed in laboratory and animal studies. The histology and synovial fluid analysis found sparse evidence of particulate debris and no synovitis, indicating the potential of this articulating material for use as a bearing surface.
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