Abstract
Hydroxyapatite (HA) coating of implant surfaces is believed to improve longevity of uncemented total hip arthroplasty (THA). However; it is speculated that HA particles may cause third body wear of the polyethylene (PE) liner with subsequent osteolysis and aseptic loosening of implants. We performed a retrospective comparison of two patient populations with cementless Mallory-Head acetabular components. The patients were identified in the Danish hip arthroplasty Registry (DHR); 77 patients had HA-coated cups and 73 patients had non-HA coated cups. Anteroposterior (AP) radiographs were analysed for PE wear, osteolysis was quantified and survival of the acetabular components was compared. The mean follow-up was 11 years. There were no cup revisions in the HA group and 7 cup revisions in the non-HA group (P
Originalsprog | Engelsk |
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Tidsskrift | Hip International |
Vol/bind | 22 |
Udgave nummer | 1 |
Sider (fra-til) | 35-40 |
Antal sider | 6 |
ISSN | 1120-7000 |
DOI | |
Status | Udgivet - 2012 |
Udgivet eksternt | Ja |