Fracture of Fully Coated Echelon Femoral Stems in Revision Total Hip Arthroplasty

Joshua Landa, Michael Benke, Alan Dayan, Gavin Caesar Pereira, Paul E. Di Cesare

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Three cases of fractured uncemented, fully porous Echelon femoral stems (Smith & Nephew, Memphis, Tenn) are examined. Fracture of these components, an uncommon complication of revision hip surgery, is thought to result from cantilever bending after distal bony ingrowth. The stems in these cases fractured at 11, 22, and 28 months after revision surgery. Risk factors include increased body weight, excessive activity, an undersized stem, varus alignment, inadequate proximal femoral bone stock, and metallurgic defects. Extraction can be difficult and is often accomplished with the use of multiple trephines or via tamping through a distal cortical window.

Original languageEnglish (US)
JournalJournal of Arthroplasty
Volume24
Issue number2
DOIs
StatePublished - Feb 2009
Externally publishedYes

Keywords

  • Echelon
  • fractured stem
  • porous-coated stem
  • revision total hip arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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