Periprosthetic changes in bone mineral density in 5 stem designs 5 years after cemented total hip arthroplasty. No relation to stem migration.

Ming Li, S.M. Rohrl, David Wood, Bo Nivbrant

    Research output: Contribution to journalReview article

    22 Citations (Scopus)

    Abstract

    Changes in bone mineral density (BMD) at the proximal femur were evaluated in 83 cemented total hip arthroplasties (THAs) 5 years after surgery. The BMD changes were compared among 5 stem designs and were related to the stem migration. A greater BMD decrease was found in Scientific Hip Prosthesis (Biomet, Bridgend, UK) and SPII CoCr stems (Link, Hamburg, Germany) than in Exeter (Howmedica, London, UK), Spectron (Smith & Nephew, Memphis, Tenn), and SPII Titanium stems (P <.05), and the stiffer SPII CoCr stems (Link) had a larger bone loss than the SPII Titanium stems (Link). However, no overall relationship was found between the BMD changes and stem migration or stem stiffness.
    Original languageEnglish
    Pages (from-to)689 -691
    JournalJournal of Arthroplasty
    Volume22
    Issue number5
    DOIs
    Publication statusPublished - 2007

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