Ergebnisse zementfreier Hüftpfannenwechseloperationen

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Abstract
The great number of hip revision arthroplasties and the cementless fixation of arthroplasties has led to more and cementless hip revision operations with bone transplantation. This retrospective study shows the results of a clinical and radiological follow-up of 34 patients with an average age of 71 years and 4 months at their hip revision arthroplasty. The subjective and clinical result in the Harris-Hip-Score 3 years and 9 months (1 year 4 months-6 years 3 months) after surgery shows 67% of the patients content with the result of the revision arthroplasty. The Harris-Hip-Score shows an average of 41.1 points preoperatively and 73.2 points at the follow-up examination. The loosening-rate was 11.8%, all arthroplasties which seemed loosened radiologically had also a bad result clinically. No correlation could be shown between the age of the patients and the clinical results as well as between an additional stem revision (15 patients) and the clinical result in the Harris-Hip-Score. All revision operations were done with bone transplantation and demonstrate, that the concept of cementless fixation of acetabular component gives satisfactory results.

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