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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_34 | Pages 494 - 494
1 Dec 2013
Pace F Randelli F Serrao L Banci L
Full Access

Introduction:

We present the mid-term results of our consecutive series of 155 hips treated with ASR XL Acetabular System (ASR-XL) for large-diameter metal-on-metal total hip arthroplasty and with DePuy ASR Hip Resurfacing System (ASR) for hip resurfacing.

Methods:

114 ASR-XL and 41 ASR were implanted between 2004 and 2008 in 145 patients (69 men and 76 women) with a mean age of 57 years. Twenty-one patients (23 hips) resulted lost to follow-up. All patients were recalled and monitored periodically with clinical, hematological and radiological evaluation. Average follow-up of the 155 hips was 72 months (1 to 104). The mean follow-up, excluding revised patients and those lost to follow-up, was up to 89 months.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_34 | Pages 495 - 495
1 Dec 2013
Pace F Randelli F Serrao L Banci L
Full Access

Background

Previous studies have indicated poor outcomes and high complication rate in patients having revision of metal-on-metal (MoM) hip implants resulting from adverse local tissue reactions. Metal ions released by MoM bearings may potentially increase infection occurrence in patients with failed implants.

Questions/purposes

We reviewed all patients at our institution who sustained revision of a failed large-head metal-on-metal hip implant to determine if infection-related complications are associated with the elevation of serum metal ions concentration.