The Journal of Arthroplasty
Volume 25, Issue 3 , Pages 355-362, April 2010

Durable Fixation With a Modern Fully Hydroxylapatite-Coated Long Stem in Complex Revision Total Hip Arthroplasty

  • Ormonde M. Mahoney, MD

      Affiliations

    • Athens Orthopedic Clinic, PA, Athens, Georgia
    • Corresponding Author InformationReprint requests: Ormonde M. Mahoney, MD, Athens Orthopedic Clinic, PA, 1765 Old West Broad Street, Building 2, Suite 200, Athens, GA 30606.
    • ,
  • Tracy L. Kinsey, MSPH

      Affiliations

    • Athens Orthopedic Clinic, PA, Athens, Georgia
    • ,
  • Isao Asayama, MD, PhD

      Affiliations

    • Department of Orthopedic Surgery, Kawasaki Hospital Bone and Joint Research Center, Keijin-kai Kawasaki Hospital, Fukuoka, Japan

Received 3 March 2008; accepted 23 March 2009. published online 03 June 2009.

Abstract 

We describe the use of a fully hydroxylapatite-coated long-stem femoral implant in a series of 40 complex revision total hip arthroplasties. All reconstructions involved severe bone loss or malalignment and were accomplished entirely without the use of augmentary bone graft. Outcomes were evaluated at 7 minimum years of follow-up (average, 10.2 years). Three stems were rerevised because of infection, trauma, and loosening with nonunion of a fracture. Bone ingrowth was radiographically evident by one postoperative year in all other cases. There were no cases of subsidence. Stress shielding with thigh pain was seen in one patient. The stem provided immediate stability and excellent long-term fixation in these reconstructions of severely diseased femurs.

Keywords: hydroxylapatite, revision total hip arthroplasty, extensively coated long revision stem, cementless fixation, biologic fixation, bone ingrowth

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 Benefits or funds were received in partial or total support of the research material described in this article. These benefits or support was received from the following sources: Stryker Orthopaedics, Mahwah, NJ.

PII: S0883-5403(09)00103-X

doi:10.1016/j.arth.2009.03.022

The Journal of Arthroplasty
Volume 25, Issue 3 , Pages 355-362, April 2010

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