J Korean Orthop Assoc.  2006 Aug;41(4):687-694.

The Harris-Galante-II Acetabular Componentin Cementless Total Hip Arthroplasty : Average Ten-year Follow-up Results

Affiliations
  • 1Department of Orthopaedic Surgery, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea. oships@hanmail.net

Abstract

PURPOSE
To evaluate the average ten-year follow-up results of 98 total hip arthroplasties using Harris-Galante-II porous-coated acetabular components.
MATERIALS AND METHODS
Ninety-eight hips were evaluated. The mean age of the patients was 45 years, and the mean follow-up was 121 months. The clinical and radiographic findings including the wear of the polyethylene liner were evaluated. The endurance of the acetabular component was analyzed using the Kaplan-Meier method.
RESULTS
Retroacetabular osteolysis, dissociation of the PE liner and aseptic loosening of the acetabular component was observed in 25 hips (25.5%), 9 hips (9.2%), and 1 hip (1.0%), respectively. The average rate of liner wear was 0.16 mm/year. Twenty acetabular components (20.4%) were revised, and the survival probability of the acetabular components at 10 years was 87% (95% confidence limits, 83-90%).
CONCLUSION
In this long-term follow-up study, the revision rate of Harris-Galante-II acetabular component was relatively high, and was associated with locking mechanism failure and retroacetabular osteolysis. However, the rarity of aseptic loosening suggests that excellent long-term fixation could be achieved with the surface treatment of a fiber-metal porous coating.

Keyword

Total hip arthroplasty; Harris-Galante-II acetabular component
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