The Journal of Arthroplasty
Volume 22, Issue 1 , Pages 1-7, January 2007

Minimum 10-year Results of a Tapered, Titanium, Hydroxyapatite-Coated Hip Stem:

An Independent Review

  • Mark I. Froimson, MD, MBA

      Affiliations

    • Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
    • Corresponding Author InformationReprint requests: Mark I. Froimson, MD, MBA, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195.
    • ,
  • Jonathan Garino, MD

      Affiliations

    • Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
    • ,
  • Alan Machenaud, MD

      Affiliations

    • Clinique Du Lac, Annecy, France
    • ,
  • J.P. Vidalain, MD

      Affiliations

    • Clinique Du Lac, Annecy, France

Received 16 May 2005; accepted 6 March 2006.

Abstract 

The performance of, and periprosthetic bone response to, a tapered, titanium (Ti6Al4V), hydroxyapatite-coated femoral hip prosthesis was evaluated at minimum of 10 years of follow-up. Data were prospectively collected on 147 consecutive primary hip arthroplasties performed in 133 patients by a single surgeon during a 2-year interval. Clinical and radiographic analyses of 96 hips in 86 patients were independently performed by 2 surgeons who were not involved in the care of these patients. There were no cases of aseptic loosening of the femoral component. Subsidence and stress shielding occurred in 5% and 2% of cases, respectively, and was not clinically significant. In all 15 hips that required revision of the acetabular component, the femoral component was found to be well fixed, without any occurrence of distal osteolysis. This femoral design provided reliable osseointegration that was durable at a mean of 11.5 years of follow-up.

Key words: hip, arthroplasty, hydroxyapatite, follow-up

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 Benefits or funds were received in partial or total support of the research material described in this article. These benefits and/or support were received from Depuy Orthopaedics, Warsaw, Ind.

PII: S0883-5403(06)00282-8

doi:10.1016/j.arth.2006.03.003

The Journal of Arthroplasty
Volume 22, Issue 1 , Pages 1-7, January 2007

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