Medical Device Alert: All metal-on-metal (MoM) hip replacements

On February 28, 2012, the Medicines and Healthcare products Regulatory Agency (MHRA) in the UK issued an updated medical device alert regarding management of patients with metal-on-metal hip replacement devices. The alert is directed at healthcare providers who monitor patients with all-metal hip replacement implants. It is an update to a previous medical device alert regarding metal-on-metal hip implants that was released in April 2010.

Although the MHRA states that many patients have had favorable results with all-metal hip implants, the agency cites that there may be a risk of developing serious complications when implanted with this type of device. These complications can result from the wear debris released from the metal-on-metal implant, which may lead to soft tissue necrosis and the need for a revision surgery. MHRA states that early detection of these types of problems can lead to a more favorable revision surgery outcome.

The updated medical device alert recommends healthcare providers follow-up with metal-on-metal hip implant patients who were implanted with a 36 mm or greater femoral head annually for the life of the implant. The agency also recommends that healthcare providers follow-up with all DePuy ASR hip replacement patients annually for the life of the implant.

See the full MHRA medical device alert at:

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