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Published on: February 28, 2012
Medium term review of the ASR implant system: A single surgeon series
M Curtin1, E Murphy1, C Bryan1
1Department of Trauma and Orthopaedics, Galway University Hospitals, Galway, Ireland.
Introduction:
Both ASR hip resurfacings and stemmed ASR XL arthroplasties have failed at high rates in several published series. We assessed a single surgeon series of these arthroplasties looking to identify factors associated with their failure.
Methods:
All surgeries were performed by one surgeon. Patients were evaluated clinically, radiologically and with serial cobalt and chromium ion analysis.
Results:
274 implants were analysed - 152 ASR resurfacings and 122 ASR XL implants. Thirty revisions were performed.
Conclusion:
The failure rate of the ASR implant in our series is unacceptably high - its use in routine hip arthroplasty cannot be supported.
