More failures of uncemented acetabular screw-rings than of cemented polyethylene cups in total hip arthroplasties |
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| Authors: | R. Volkmann M. A. Schneider C. Bretschneider K. Weise |
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| Affiliation: | (1) (Tel: +49-6621-88-1551, Fax: +49-6621-88-1560, Kreiskrankenhaus Bad Hersfeld, Department of Traumatology, Seilerweg 29, D-36251 Bad Hersfeld, Germany, DE;(2) BG Trauma Center Tübingen, Schnarrenbergstrasse 95, D-72076 Tübingen, Germany, DE |
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| Abstract: | The results of 498 total hip arthroplasties were prospectively studied. In 329 patients a cemented acetabular polyethylene cup was inserted. In 169 patients a threaded socket without cement was introduced. Follow-up ranged from 6 to 8 years and follow-up rate was over 90%. Of the 169 threaded sockets 8 required revision (4.7%), and 3 acetabular components were seen to be loose on X-ray. Of the cemented cups, only 2 (0.6%) required revision and none were considered loose on X-ray. |
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