Comparison of acetabular reamings during hip resurfacing versus uncemented total hip arthoplasty by ProQuest

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[...] this study was not randomised and "obese elderly women at risk of femoral neck fracture and patients with large subchondral pseudocysts or a history of avascular necrosis of the femoral head were assigned to uncemented THA."

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									                 Letter to the Editor
    Comparison of acetabular reamings during
    hip resurfacing versus uncemented total hip
                     arthoplasty
To the Editor:                                                     and patients with large subchondral pseudocysts or a
We read with interest the article by Brennan et                    history of avascular necrosis of the femoral head were
al.1 They concluded that: “In hip resurfacing, the                 assigned to uncemented THA.” The uncemented THA
use of an appropriately small femoral component                    group is by definition more likely to have lower bone
avoids oversizing the acetabular component and                     density (weight per unit of volume) than the resurfacing
removal of excessive bone stock.” This was based                   group. Therefore, an equal bone volume/stock removed
on the finding that “The mean weight of acetabular                 from patients in the uncemented THA group would have
reamings was not significantly different between                   less weight compared to those in the resurfacing group,
patients undergoing hip resurfacing and uncemented                 making the validity of
								
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