A High Prevalence of Corrosion at the Head-Neck Taper with Contemporary Zimmer Non-Cemented Femoral Hip Components.
retrospective_cohort · Level III
Where this comes from
- Record sourced from PubMed, PMID 25737386.
- Also identified by DOI 10.1016/j.arth.2015.02.019.
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Abstract
Mechanically assisted crevice corrosion (MACC) occurs at metal/metal modular junctions in which at least one of the components is fabricated from cobalt-chromium alloy and may lead to adverse local tissue reaction (ALTR) in patients with metal-on-polyethylene (MoP) total hip arthroplasty. This type of reaction has been previously described in hips with head/neck modularity, but the prevalence is unknown. We found a prevalence of 1.1 percent in a consecutive series of 1356 contemporary Zimmer non-cemented femoral hip components followed for a minimum of 2years. The average time to presentation was 3.7years (range, 9-105months); delay in treatment led to irreversible soft tissue damage in three patients. We recommend usage of ceramic heads until this problem is further understood.
Medical subject headings
- Arthroplasty, Replacement, Hip
- Chromium
- Chromium Alloys
- Cobalt
- Hip Prosthesis
- Polyethylene
- Prosthesis Failure
Anatomy
- hip
- femur