Early failure associated with the use of Hylamer-M spacers in three primary AMK total knee arthroplasties

Nicholas U. Ahn, Leelakrishna Nallamshetty, Uri M. Ahn, Jacob M. Buchowski, Peter S. Rose, Mesfin A. Lemma, James F. Wenz

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

We report 3 cases of early failure associated with AMK total knee arthroplasties with the use of Hylamer-M spacers. In 2 of these cases, massive osteolysis of the posterior condyles was noted; revision with the use of allograft bone to fill in the cavitary defects yielded excellent results. In all cases, large areas of pitting and delamination of the Hylamer spacers were noted. Given these cases and the previous literature on early failure of hip arthroplasties with Hylamer inserts, we recommend caution in using Hylamer for knee arthroplasty surgery.

Original languageEnglish
Pages (from-to)136-139
Number of pages4
JournalJournal of Arthroplasty
Volume16
Issue number1
DOIs
StatePublished - Jan 1 2001
Externally publishedYes

Keywords

  • Allograft
  • Osteolysis
  • Polyethylene (ultra-high molecular weight)
  • Revision joint arthroplasty
  • Total knee arthroplasty

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