THA: Less transverse rotation of tantalum trabecular metal acetabular cup .
Comparison of trabecular metal cups and titanium fiber-mesh cups in primary hip arthroplasty: A randomized RSA and bone mineral densitometry study of 50 hips
Acta Orthop. 2011 Apr;82(2):155-60. Epub 2011 Mar 2560 patients with noninflammatory hip arthritis were randomized to receive either a tantalum trabecular metal acetabular cup or titanium fiber-mesh cup, as part of the primary hip arthroplasty surgical procedure. The primary endpoint was cup migration. Bone mineral density and the Harris hip score were also evaluated. Results indicated positive early results with the tantalum trabecular metal cup on fixation outcomes, as well as comparable results on the secondary endpoint outcomes. A longer observation period is recommended to examine the effects over a longer time period.
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