AAOS2017: Clinical outcome and survivorship of HXLPE vs. conventional PE inserts in TKA .
Randomized Clinical Trial of Conventional vs. Highly Cross-linked Polyethylenes in Total Knee Arthroplasties
396 patients scheduled for total knee arthroplasty were randomized to receive either a highly crosslinked polyethylene insert or conventional polyethylene insert. Patients were followed for an average of 5 years (2-8 years) and evaluated for clinical outcomes and for rates of survivorship free of revision due to aseptic loosening, revision due to any reason, and reoperation for any reason. No significant differences between groups were observed in the improvement in Knee Society Scores and SF-12 Physical & Mental Component Scores, as well as rates of survivorship.
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