Adverse tissue reactions in modular exchangeable neck implants: a report of two cases.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 23141863.
- Also identified by DOI 10.1016/j.arth.2012.07.026.
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Abstract
Dual-modular femoral stems with exchangeable necks theoretically allow optimization of hip joint biomechanics via selective restoration of femoral anteversion, offset, and limb length. A potential disadvantage is the possible generation of metal ions and debris by fretting and crevice corrosion at the additional stem-neck interface. We present 2 cases of early-onset adverse inflammatory tissue reactions as a result of accelerated corrosion at the stem-neck interface of a dual-modular implant, requiring subsequent revision of well-fixed components.
Medical subject headings
- Arthroplasty, Replacement, Hip
- Hip Prosthesis
- Inflammation
- Joint Diseases
- Prosthesis Design
- Prosthesis Failure
Anatomy
- hip