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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_12 | Pages 22 - 22
1 Nov 2015
Eyre-Brook A Pearce A Lyle N Stranks G Briant-Evans T
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Introduction

The prevalence of adverse reactions to metal debris around metal-on-metal (MOM) hip replacements has been reported to range from 7 to 69%. Little has been published on MRI scans with conventional total hip bearing surfaces. This study aimed to establish the prevalence of soft tissue lesions associated with metal-on-polyethylene (MOP) and ceramic-on-ceramic (COC) bearings, compared to MOM prostheses.

Patients/Materials & Methods

All Metal Artefact Reduction Sequence (MARS) MRI scans for MOM THRs performed at our unit from January 2009 to present were reviewed, identifying those with contralateral primary MOP or COC THRs included on the scan. These were compared to a previously analysed cohort of 281 MOM THRs. Scans were classified using the Modified Oxford Classification as ‘Normal’, ‘Trochanteric Fluid’, ‘Effusions’ or Adverse Reactions to Debris.