Polyethylene failure in two total knees: Wear of thin, metal-backed PCA tibial components
- 1 January 1990
- journal article
- research article
- Published by Medical Journals Sweden AB in Acta Orthopaedica
- Vol. 61 (6) , 575-577
- https://doi.org/10.3109/17453679008993587
Abstract
Two women underwent a PCA total knee arthroplasty of the metal-backed type in which the tibial insert was only 4 mm thick in its thin-nest portion. After 2 and 4 years, both women had pain on weight bearing due to polyethylene breakdown causing metal-to-metal contact. Such thin polyethylene components should not be used for knee replacements.Keywords
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