Why the study?
Does a cobalt chromium molybdenum metal combination (Metasul) improve wear resistance in modular hip prostheses?
Population
44 retrieved single components from approximately 40,000 implanted metal combinations for modular hip…
Design
Case_series
Follow-up
maximum time in situ of 5.5 years
Authors
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Low wear in single case supports further study of Metasul; hypothesis-generating and should not change practice.
Does a cobalt chromium molybdenum metal combination (Metasul) improve wear resistance in modular hip prostheses?
The Metasul metal combination for modular hip prostheses demonstrates very low wear rates (2-5 micrometers/year), suggesting particle-induced late aseptic loosening is unlikely.
Schmidt et al. (1996) studied this question.
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