Is There a Benefit to Highly Crosslinked Polyethylene in Posterior-stabilized Total Knee Arthroplasty? A Randomized Trial

Clinical Orthopaedics and Related Research
P F Lachiewicz, Elizabeth S Soileau

Abstract

Polyethylene wear and osteolysis remain a concern with the use of modular, fixed-bearing total knee arthroplasty (TKA). A variety of highly crosslinked polyethylenes (XLPs) have been introduced to address this problem, but there are few data on the results and complications of this polyethylene in posterior-stabilized knee prostheses. In a randomized prospective study design comparing standard polyethylene (SP) tibial inserts with XLP inserts, we asked the following questions: (1) Are there any differences in the clinical results (as measured by the classic Knee Society scoring system) and radiographic results (as measured by an evaluation for radiolucencies and osteolysis) between these groups? (2) What is the frequency of reoperation in these two groups? (3) Are there any specific complications related to XLP liners? These are preliminary data from a single surgeon of a planned interim analysis of a prospective randomized study of one modular posterior-stabilized TKA. One hundred ninety-two patients (236 knees) were randomized to receive a SP compression-molded liner or a XLP (6.5 CGy electron beam-irradiated and remelted) polyethylene liner. There was no difference in the number of knees who were lost or refused followup (14...Continue Reading

References

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Mar 4, 2011·The Journal of the American Academy of Orthopaedic Surgeons·Paul F Lachiewicz, Mark R Geyer
Mar 31, 2011·The Journal of Knee Surgery·Dustin S HambrightMichael P Bolognesi
Jun 15, 2013·The Journal of Arthroplasty·Paul F Lachiewicz, Elizabeth S Soileau

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Citations

Apr 1, 2016·Journal of Orthopaedic Surgery and Research·Bin-feng YuXi-peng Lin
Dec 19, 2017·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Claire L BrockettLouise M Jennings
Aug 5, 2017·The Bone & Joint Journal·T S BrownM P Abdel
Oct 30, 2018·Journal of Orthopaedic Surgery·Spencer K WilhelmMark Karadsheh
Nov 3, 2020·Bone & Joint Research·Chang-Hung HuangChun-Hsiung Huang
Nov 2, 2021·The Bone & Joint Journal·John H CurrierDouglas W Van Citters

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