A Prospective Short-Term Outcome Study of a Short Metaphyseal Fitting Total Hip Arthroplasty

Young Hoo Kim, Jun Shik Kim, Jong Hwan Joo, Jang Won Park

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

The purpose of this study was to determine whether the short, metaphyseal fitting femoral stem would achieve stable fixation without diaphyseal fixation. A total of 126 patients (144 hips) were included in the study, and their mean age was 53.9 years (26-65 years). The mean duration of follow-up was 4.5 years (4-5 years). The predominant diagnosis was osteonecrosis of femoral head (88 of 144 hips, or 61%). The mean preoperative Harris hip score was 45 points, which improved to 96 points by the final follow-up. Western Ontario and McMaster Universities Osteoarthritis score and patient's activity score were improved substantially at the final follow-up. This short, metaphyseal fitting cementless femoral component achieved stable fixation without diaphyseal fixation, and there was minimal stress-shielding bone resorption in the calcar region.

Original languageEnglish
Pages (from-to)88-94
Number of pages7
JournalJournal of Arthroplasty
Volume27
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • Cementless anatomical femoral component
  • Metaphyseal fitting
  • Primary total hip arthroplasty
  • Short stemless

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