Hydroxyapatite coated femoral stems do not provide additional benefits in THA .
A randomized trial of hydroxyapatite-coated femoral stems in total hip arthroplasty: A 13-year follow-up
J Arthroplasty. 2009 Jan;24(1):33-7. Epub 2008 Apr 10To compare the functional and clinical benefits of hyroxyapatite coating stem, 61 hips scheduled to undergo total hip arthroplasty (THA) received either a femoral stem with hydroxyapatite coating or a non-coated stem. Assessment at an average of 13 year follow-up indicated that there were no significant differences in the number of revision surgeries required. Both types of femoral stems demonstrated 100% survivorship. There were also no differences in clinical or radiographic outcomes between the two stem types.
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