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FDA Panel Sees Little Use for Metal-on-Metal Hips
The Food and Drug Administration asked its 18-member panel to recommend guidelines for monitoring more than a half-million U.S. patients with metal hip replacements. The devices were originally marketed as a longer-lasting alternative to older ceramic and plastic models. But recent data from the U.K. and other foreign countries suggests they are more likely to deteriorate, exposing patients to higher levels of cobalt, chromium and other metals.
While the FDA has not raised the possibility of removing the devices from the market, most panelists said there were few, if any, cases where they would recommend implanting the devices.
For decades nearly all orthopedic implants were coated with plastic or ceramic. But in the last 10 years some surgeons began to favor all-metal implants, after laboratory tests suggested the devices would be more resistant to wear and reduce the chances of dislocation.
But recent data gathered from foreign registries shows the devices fail at a higher rate than older implants. That information comes on top of nearly 17,000 reports to the FDA of problems with the implants, which sometimes require invasive surgery to replace them.
Source: Associated Press