Metal on metal implants more likely to fail

Results of an extensive study conducted by the National Joint Registry in England and Wales shows that metal on metal implants have a higher failure rate than non-metal implants. The use of metal on metal hip implants has dramatically dropped in England and Wales since 2008.

The findings were published in the peer reviewed medical journal Lancet and come from research conducted at Universities of Bristol and Exeter, and the Centre for Hip Surgery at the Wrightington Hospital in Lancashire, England.

The study found a five year failure rate of 6.2% In particular, the study pointed out the high failure rate of ASR metal on metal hip implants.  That particular implant was withdrawn in 2010.

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