Background: Ceramic bearings in total hip arthroplasty (THA) have been introduced in clinical practice to minimize the problem of polyethylene particle-induced osteolysis. The aim of the study is to report the results of 68 consecutive alumina-on-alumina THAs done in 61 patients for avascular necrosis (AVN) of the femoral head.
Materials And Methods: In all implants a press-fit cup was used; it was combined with a 32-mm alumina head and with titanium-alloy stems. The mean age at surgery was 50 years. At an average follow-up of 13 years two hips have been revised, one for periprosthetic infection and one for excessive abduction of the cup.
Results: No revision for aseptic loosening is recorded; one anatomical cementless femoral stem had radiological evidence of definite aseptic loosening. No dislocations occurred, and no osteolysis was observed.
Conclusions: The results support the application of alumina-alumina THA for long-lasting replacements.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3284675 | PMC |
| http://dx.doi.org/10.1007/s10195-011-0174-7 | DOI Listing |
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