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Current failure mechanisms after knee arthroplasty have changed: polyethylene wear is less common in revision surgery (JBJS 2015)

Background/Purpose -Previous studies from 1986-2000 showed polyethylene wear reason for revision in 25% -This study to clarify more up-to-date reasons for failure/revision of TKA correlated with time and to see if polyethylene wear still major reason for revision Methods -Retrospective including 1st revisions b/w 2005-2010 @ 2 high volume joint centers (university academic + nonuniversity academic) -Failure times from index…

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