Earl's View

Failure rates of stemmed metal-on-metal hip replacements : The Lancet.

The Lancet, Volume 380, Issue 9837, Page 105, 14 July 2012 doi:10.1016/S0140-6736(12)61169-6

Failure rates of stemmed metal-on-metal hip replacements

Concerns about metal-on-metal large-head hip replacements are accurately addressed by Alison Smith and colleagues1 in their analysis of data from the National Joint Registry of England and Wales. The expected advantages of metal-on-metal prostheses, allowing for larger head sizes, have been replaced by great concern because of local soft-tissue reactions to debris from accelerated metal wear and elevated concentrations of metal ions in the bloodstream.2

The Dutch Orthopaedic Association (NOV) issued advice to all its members after extensive discussion during a special metal-on-metal session at the 2011 NOV Spring meeting. This advice included active follow-up of all patients with metal-on-metal hip implants, provision of detailed information to…

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