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36mm metal-on-metal THA increases metal ion & erythrocyte cobalt levels vs 28mm bearing

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Ace Report Cover
May 2014

36mm metal-on-metal THA increases metal ion & erythrocyte cobalt levels vs 28mm bearing

Vol: 3| Issue: 5| Number:34| ISSN#: 2564-2537
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1

Metal Ion Levels After Metal-on-Metal Total Hip Arthroplasty: A Five-Year, Prospective Randomized Trial

J Bone Joint Surg Am. 2014 Mar 19;96(6):448-55. doi: 10.2106/JBJS.M.00164.

Contributing Authors:
CA Engh SJ MacDonald S Sritulanondha A Korczak D Naudie C Engh

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Synopsis

105 patients with unilateral noninflammatory degenerative joint disease were randomized to undergo total hip arthroplasty using either a 28mm metal-on-metal bearing surface, a 36mm metal-on-metal bearing surface, or a 28mm metal-on-polyethylene bearing surface. The purpose of this study was to compare metal ion levels and clinical outcomes between the three treatment groups. Upon analysis, the met...

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