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US regulator seeks advice on health risks of metal on metal hip implants

BMJ 2012; 344 doi: http://dx.doi.org/10.1136/bmj.e2460 (Published 30 March 2012) Cite this as: BMJ 2012;344:e2460
  1. Deborah Cohen
  1. 1BMJ

The US Food and Drug Agency has announced it is seeking expert opinions on the risks and benefits of metal on metal hips. The announcement comes in response to a letter from Wisconsin Democrat senator, Herb Kohl, which highlighted the high failure rates of some of these implants.

The letter cites a recent study in the Lancet (2012;379:1199-204), showing an increased failure rate of large diameter metal on metal total hip replacements. It also mentions a recent BMJ/BBC Newsnight investigation that found …

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