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The Journal of Arthroplasty, ISSN: 0883-5403, Vol: 24, Issue: 6, Page: 945-950
Hip
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Bone Remodeling Characteristics of a Short-Stemmed Total Hip Replacement
Chen, Hsiang-Ho; Morrey, Bernard F; An, Kai-Nan; Luo, Zong-PingHip
Bone remodeling of a metaphyseal fixed femoral stem, Mayo Conservative Hip (Zimmer International, Warsaw, Ind), was characterized by the dual-energy x-ray absorptiometry and a mathematical remodeling model. The mean age of the patient was 50.8 years, and the mean follow-up was 5.7 years. As anticipated, bony structure underwent significant remodeling after the short-stemmed femoral arthroplasty with resorption proximally and ingrowth distally/laterally. Theoretical prediction further suggested that the remodeling was largely regulated by the mechanical loading distribution pattern determined by implant design.
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