Abstract：
:A once annealed highly cross-linked polyethylene (HXLPE) was introduced in 1998. Concerns regarding its long-term performance and oxidative resistance exist because of the presence of retained free radicals. The authors studied 48 patients with 50 hip implants having an average age of 62 years. They were followed for 9 to 15 years. The purpose of this study was to determine linear wear rate and the incidence of osteolysis and/or mechanical failure. At an average follow-up of 12.2 years, the annual linear wear rate was 0.018 mm (SD, 0.024 mm). No mechanical failures or osteolysis have been found to date. The clinical performance of this HXLPE continues to meet expectations despite the presence of free radicals. [Orthopedics. 2016; 39(3):e565-e571.].
journal_name
Orthopedicsjournal_title
Orthopedicsauthors
D'Antonio J,Capello WN,Ramakrishnan Rdoi
10.3928/01477447-20160414-03subject
Has Abstractpub_date
2016-05-01 00:00:00pages
e565-71issue
3eissn
0147-7447issn
1938-2367journal_volume
39pub_type
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