Introduction: Demographic change and demand for high quality of life lead to increasing implantation numbers. Aim of this study was to compare the Plasmafit® cup to Allofit® and Plasmacup®.
Methods: The study included 174 patients who had received 33 Plasmacup®, 68 Allofit® and 73 Plasmafit® cup implants. These were reviewed postoperatively, after 6 months control and after 12 months.
Results: No significant progressive migration could be discovered in any of the cup systems. At each follow-up the cups showed nearly constant values.
Conclusions: All examined acetabular cups showed excellent migration behavior within the first 12 postoperative months.
Keywords: Acetabular cups; Ein-Bild-Roentgen-Analysis (EBRA); Epidemiologic factors; Migration; Press-fit system; Total hip arthroplasty.
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