Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type.

Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type. Research Abstract Details 

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Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type. Abstract Text:

Yasuhisa Hayaishi,Hidenobu Miki,Takashi Nishii,Takehito Hananouchi,Hideki Yoshikawa,Nobuhiko Sugano,Yasuhisa Hayaishi,Hidenobu Miki,Takashi Nishii,Takehito Hananouchi,Hideki Yoshikawa,Nobuhiko Sugano,

To examine whether the Freeman cementless total hip arthroplasty (THA), with femoral neck preservation and a large metal head, can prevent stress shielding in a manner similar to resurfacing THA, we compared femoral bone mineral density (BMD) change in 10 resurfacing THA patients (group A) and 16 cementless THA patients (group B). Six and twelve months postoperatively, the mean BMD ratio in zone 1 was significantly higher in group A (97% +/- 10%, 95% +/- 11%) than in group B (79% +/- 15%, 77% +/- 20%); at 12 months, the mean BMD ratio in zone 7 was significantly higher in group A (104% +/- 15%) than in group B (84% +/- 21%). The cementless THA might not be a substitute for the resurfacing THA with respect to prevention of proximal femoral bone loss at the femoral neck, although it may prevent some major complications after resurfacing THA such as neck fracture and avascular necrosis of the femoral head.

Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type. Publishing Authors By Initials

Y Hayaishi,H Miki,T Nishii,T Hananouchi,H Yoshikawa,N Sugano,Y Hayaishi,H Miki,T Nishii,T Hananouchi,H Yoshikawa,N Sugano,

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Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of arthroplasty

VOLUME: 22

Page Numbers: 1208-13

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ISSN: 0883-5403

DAY: 14

MONTH: Dec

YEAR: 2007

Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type. Information

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LANGUAGE: eng

NlmUniqueID: 8703515

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Grant and Affiliation Information for Proximal femoral bone mineral density after resurfacing total hip arthroplasty and after standard stem-type cementless total hip arthroplasty, both having similar neck preservation and the same articulation type.

AFFILIATION: Department of Orthopaedic Surgery Osaka University Medical School, Osaka, Japan.

Country: United States

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MEDLINETA: J Arthroplasty

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