The Journal of Arthroplasty
Volume 25, Issue 4 , Pages 533-537, June 2010

Cementless Acetabular Socket Revisions Using Metasul Metal-on-Metal Bearings

  • Kyung Soon Park, MD

      Affiliations

    • Center for Joint Disease, Chonnam National University Hwasun Hospital, Hwasun-Gun, Jeonnam, Korea
    • ,
  • Taek Rim Yoon, MD

      Affiliations

    • Center for Joint Disease, Chonnam National University Hwasun Hospital, Hwasun-Gun, Jeonnam, Korea
    • Corresponding Author InformationReprint requests: Taek Rim Yoon, MD, Center for Joint Disease and Brain Korea 21 Project for Biomedical Human, Resources Center at Chonnam National University, Chonnam National University Hwasun Hospital, 160, Ilsim-Ri, Hwasun-Eup, Hwasun-Gun, Jeonnam 519-809, Korea.
    • ,
  • Eun Kyoo Song, MD

      Affiliations

    • Center for Joint Disease, Chonnam National University Hwasun Hospital, Hwasun-Gun, Jeonnam, Korea
    • ,
  • Keun Bae Lee, MD

      Affiliations

    • Department of Orthopaedics, Chonnam National University Medical School and Hospital, Gwangju, Korea

Received 4 April 2007; accepted 4 April 2009. published online 03 June 2009.

Abstract 

Thirty-four hips were treated with cementless acetabular socket revisions using a metal-on-metal bearing. The causes of revision were aseptic loosening in 33 hips and septic loosening in 1 hip. Revisions were performed for acetabular sockets in 28 hips and for acetabular sockets and femoral stems in 6 hips. Mean follow-up duration was 6.2 years (range, 4.0-9.1 years), and mean Harris Hip Scores improved from 56 to 92 points. No hip required further revision for aseptic loosening. Focal femoral osteolysis newly developed in zone I in 1 hip, which was treated by curettage and bone grafting. The authors suggest that second-generation metal-on-metal bearings in cementless acetabular socket revisions can achieve good medium-term clinical and radiographic results.

Keywords: revision hip arthroplasty, cementless acetabular socket, metal-on-metal bearing, medium term, clinical and radiographic results

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 No benefits or funds were received in support of the study.

PII: S0883-5403(09)00112-0

doi:10.1016/j.arth.2009.04.004

The Journal of Arthroplasty
Volume 25, Issue 4 , Pages 533-537, June 2010

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