Doctors look at x-ray

A recent study published in the BMJ revealed Johnson & Johnson’s DePuy Pinnacle metal-on-metal hip implants have a high revision surgery rate because of manufacturing problems and high levels of metal particles release into the bloodstream.

Dr. David Langton, of University Hospital of North Tees in Stockton, UK, and fellow researchers initiated the study.

“Although the use of MoM hip devices has declined dramatically in the past five years, hundreds of thousands remain in situ, with the long-term future uncertain,” Langton and colleagues wrote.

In the study, researchers identified patients with metal DePuy Pinnacle hips implants. They looked at devices implanted from 2003–2009 and followed up with patients one a year.

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