Book chapter
Mechanically Assisted Crevice Corrosion Damage in Shoulder Arthroplasty Is Comparable to Hip Arthroplasty
Modularity and Tapers in Total Joint Replacement Devices, pp 181-191
01 Dec 2015
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The purpose of this study was to characterize the prevalence of taper damage in retrieved modular shoulder arthroplasty components. We matched this cohort with historical and contemporary total hip replacements. The components were matched primarily for implantation time, but also for alloy combination (mixed versus similar) and patient age (as a proxy for patient activity), when available. Modular components were evaluated for mechanically assisted crevice corrosion using a semiquantitative four-point scoring system. In total, 92 anatomical humeral heads and 67 associated stems with an average implantation time of 4.6 ± 4.3 years were analyzed. Additionally, 79 femoral heads and 61 associated stems with an average implantation time of 4.5 ± 4.4 years were matched to shoulder components and analyzed. Design and patient factors were assessed as potential predictors of taper damage. Evidence of damage was observed on 46 % of humeral heads and 66 % of the humeral stems. In the hips, 47 % of femoral heads and 44 % of femoral stems had evidence of damage. Mixed alloy pairs (p < 0.0001; stem side only), taper rigidity (p < 0.0001), and implantation time (p = 0.01) were associated with taper corrosion. The results from this study supported the prevalence of taper damage that is similar between anatomical shoulder and conventional hip arthroplasty. The clinical implications of these findings have not yet been determined.
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Details
- Title
- Mechanically Assisted Crevice Corrosion Damage in Shoulder Arthroplasty Is Comparable to Hip Arthroplasty
- Creators
- J. S Day - Drexel UniversityD. W MacDonald - Drexel UniversityJ. A Abboud - Rothman InstituteG. R Williams - Rothman InstituteC. M Rimnac - Case Western Reserve UniversityM. J Kraay - University Hospitals Case Medical CenterR. C McCloskey - University of AmericaC. M Arnholt - Drexel UniversityS. M Kurtz - Drexel University
- Publication Details
- Modularity and Tapers in Total Joint Replacement Devices, pp 181-191
- Publisher
- ASTM International; 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959
- Number of pages
- 11
- Resource Type
- Book chapter
- Language
- English
- Academic Unit
- College of Medicine; School of Biomedical Engineering, Science, and Health Systems; School of Education
- Web of Science ID
- WOS:000444925200014
- Scopus ID
- 2-s2.0-84961891731
- Other Identifier
- 991019168251004721
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Engineering, Biomedical
- Materials Science, Characterization & Testing
- Orthopedics