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Early failure of sequentially annealed polyethylene in total knee arthroplasty.

ABSTRACT: Improvements in the processing of polyethylene have led to a dramatic reduction in wear rates in total hip arthroplasty. This led to the adoption of modern highly cross-linked polyethylene in total knee arthroplasty (TKA). However, the differences in modes of wear and failure between total hip arthroplasty and TKA have tempered expectations regarding similar decreases in polyethylene-related complications in TKA. We present a case of early catastrophic failure of a modern sequentially irradiated and annealed highly cross-linked polyethylene insert only 5 years after contemporary cementless TKA.

SUBMITTER: Sonn KA 

PROVIDER: S-EPMC7083714 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Early failure of sequentially annealed polyethylene in total knee arthroplasty.

Sonn Kevin A KA   Meneghini R Michael RM  

Arthroplasty today 20200109 1

Improvements in the processing of polyethylene have led to a dramatic reduction in wear rates in total hip arthroplasty. This led to the adoption of modern highly cross-linked polyethylene in total knee arthroplasty (TKA). However, the differences in modes of wear and failure between total hip arthroplasty and TKA have tempered expectations regarding similar decreases in polyethylene-related complications in TKA. We present a case of early catastrophic failure of a modern sequentially irradiated  ...[more]

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