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TKR: No difference between oxidized zirconium and cobalt-chromium femoral components
August 2013
TKR: No difference between oxidized zirconium and cobalt-chromium femoral components
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:N/A
Comparison of the Genesis II total knee replacement with oxidised zirconium and cobalt-chromium femoral components in the same patients: A prospective, double-blind, randomised controlled study
J Bone Joint Surg Br. 2012 Sep;94(9):1221-7Did you know you're eligible to earn 0.5 CME credits for reading this report? Click Here
Synopsis
351 patients (701 knees) with osteoarthritis underwent simultaneous bilateral total knee replacement (TKR), in which each knee was randomized to receive an oxidised zirconium (OxZr) or a cobalt-chrome (CoCr) femoral component. After a mean of 7.5 years, there was no significant difference between the two groups for mean weight, size, and shape of the aspirated wear particles. The two groups also d...
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