BMD better preserved with resurfacing arthroplasty than THA
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Smolders J. J Arthroplasty. 2012.
doi:10.1016/j.arth.2012.08.025.
December 28, 2012
Pressfit resurfacing hip arthroplasty was found to better
preserve periacetabular bone mineral density (BMD) than
conventional total hip arthroplasty (THA) in this randomized
controlled trial that included 71 patients.
“We focused on periprosthetic BMD changes in the acetabulum
after a bone-preserving RHA (resurfacing hip arthroplasty)
and the potential pitfall of gradual bone resorption due
[to] the effects of an acetabular cup implantation,” José
M.H. Smolders, MD, and colleagues stated in the study…
…The researchers studied five periacetabular regions of
interests in both groups and found the RHA patients had
better preserved BMD than THA patients. They noted, however,
that these results are only through 24-months follow-up and
more research is needed.
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