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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 41 - 41
1 Jul 2014
Grosse S Høl P Lilleng P Haugland H Hallan G
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Summary

Particulate wear debris with different chemical composition induced similar periprosthetic tissue reactions in patients with loosened uncemented and cemented titanium hip implants, which suggests that osteolysis can develop independent of particle composition.

Introduction

Periprosthetic osteolysis is a serious long-term complication in total hip replacements (THR). Wear debris-induced inflammation is thought to be the main cause for periprosthetic bone loss and implant loosening. The aim of the present study was to compare the tissue reactions and wear debris characteristics in periprosthetic tissues from patients with failed uncemented (UC) and cemented (C) titanium alloy hip prostheses. We hypothesised that implant wear products around two different hip designs induced periprosthetic inflammation leading to osteolysis.