Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_4 | Pages 81 - 81
1 Jan 2016
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A first generation once annealed highly crosslinked polyethylene (HXLPE) was introduced in 1998. At 8 years it was reported to have a 78% reduction in wear compared with conventional polyethylene and no osteolysis. However, concerns regarding the long-term performance and oxidative resistance of this annealed material exist because of the presence of free radicals. We therefore addressed the following questions: (1) Does the improvement in wear observed at earlier follow-up continue out to 15 years? (2) What is the incidence of osteolysis in this group of patients?Background
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