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Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_13 | Pages 8 - 8
1 Nov 2019
Ahad A Rajput V Ashford RU Antapur P Rowsell M
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Background

Highly porous acetabular components are widely used in revision hip surgery. The purpose of this study is to compare the mid-term survivorship, clinical and radiological outcomes of a hemispherical cup (Stryker Tritanium Revision component) and a peripherally expanded cup (Zimmer TM modular component) in revision hip surgery.

Methods

Between 2010 and 2017, 30 patients underwent revision hip replacement using a hemispherical cup and 54 patients using a peripherally expanded cup. The surgery was carried out by two arthroplasty surgeons, both fellowship-trained in revision hip surgery. Kaplan-Meier analysis was used to determine the survivorship of the components. Clinical outcomes were measured using the Oxford Hip Score. Radiographs were analysed for the presence of radiolucent lines in the DeLee and Charnley zones.