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Research In Brief

This article was originally published in The Gray Sheet

Executive Summary

Zimmer Trabecular Metal hips: Patients implanted with Zimmer's highly porous Trabecular Metal monoblock hip replacement cups showed up to 41% mean bone density growth around some areas of their hip implants, compared to a 45% loss in density in some areas around titanium cups, over a mean follow-up of 7.7 years in a 17-patient study sponsored by Zimmer. The results are published in the May Journal of Arthroplasty. The study, led by researchers at the Mayo Clinic and the Indiana University Research Foundation, is the first to quantify bone remodeling around hip implants at an "intermediate term" of seven to nine years, according to the company

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