The Symmetry of Adverse Local Tissue Reactions in Patients with Bilateral Simultaneous and Sequential ASR Hip Replacement

Abstract The purpose of this study was to evaluate whether patients with bilateral metal-on-metal (MoM) hip replacements have symmetric adverse local tissue reactions (ALTRs) at follow-up. An MRI of both hips was performed at a mean time of six years after surgery in 43 patients. The prevalence and...

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Bibliographic Details
Published in:The Journal of arthroplasty 2015-10, Vol.30 (10), p.1794-1798
Main Authors: Madanat, Rami, MD, PhD, Hussey, Daniel K., BA, Donahue, Gabrielle S., BA, Potter, Hollis G., MD, Wallace, Robert, MD, Bragdon, Charles R., PhD, Muratoglu, Orhun K., PhD, Malchau, Henrik, MD, PhD
Format: Article
Language:English
Subjects:
Adult
adverse local tissue reaction
Aged
Aged, 80 and over
Algorithms
Arthroplasty, Replacement, Hip - instrumentation
ASR
bilateral
Cohort Studies
Disease Progression
Female
Hip - surgery
hip arthroplasty
Hip Joint - surgery
Hip Prosthesis - adverse effects
Humans
Magnetic Resonance Imaging
Male
metal-on-metal
Metals - adverse effects
Middle Aged
Orthopedics
Prevalence
Risk Factors
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Summary:Abstract The purpose of this study was to evaluate whether patients with bilateral metal-on-metal (MoM) hip replacements have symmetric adverse local tissue reactions (ALTRs) at follow-up. An MRI of both hips was performed at a mean time of six years after surgery in 43 patients. The prevalence and severity of ALTRs were found to be similar in simultaneous hips but differences were observed in sequential hips. The order and timing of sequential hip arthroplasties did not affect the severity of ALTRs. Thus, in addition to metal ion exposure from an earlier MoM implant other factors may also play a role in the progression of ALTRs. Bilateral implants should be given special consideration in risk stratification algorithms for management of patients with MoM hip arthroplasty.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2015.04.036