Metal-on-metal hips more prone to revision

The study, co-authored by Australia’s joint replacement registry director Professor Stephen Graves, analysed data on more than 830,000 operations recorded in registries globally and covering 3000 patients in 18 studies.

It follows withdrawal of the faulty DePuy hip joint device.

“Disease-specific functional outcomes and general quality of life scores were no different or they favoured patients receiving metal-on-polyethylene rather than metal-on-metal in the trials,” the authors said.

“In the three largest national registries