The FDA-funded data analysis found no clear advantage of one type of hip implant over another for effectiveness and reported a potential for harm using metal-on-metal implants. The paper examines 3,139 patients enrolled in 18 comparative studies and more than 830,000 surgeries reported in national registries.
The authors found that while a single trial showed fewer revisions for ceramic-on-ceramic implants, as compared with metal-on-polyethylene implants, national registry data did not support the finding.
An article based on the analysis will be published in the Dec. 1 edition of the journal BMJ.
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