Sequential changes in periprosthetic bone mineral density following total hip arthroplasty: a 3-year follow-up

被引：23

作者：

Ohta, H ^{[1
]}

Kobayashi, S ^{[1
]}

Saito, N ^{[1
]}

Nawata, M ^{[1
]}

Horiuchi, H ^{[1
]}

Takaoka, K ^{[1
]}

机构：

[1] Shinshu Univ, Sch Med, Dept Orthopaed Surg, Matsumoto, Nagano 3908621, Japan

来源：

JOURNAL OF BONE AND MINERAL METABOLISM | 2003年 / 21卷 / 04期

关键词：

total hip arthroplasty; bone mineral density; dual-energy X-ray absorptiometry; initial postoperative bone mineral density; body weight;

D O I：

10.1007/s00774-002-0414-2

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

We sequentially measured the periprosthetic bone mineral density (BMD) of the femur after cementless total hip arthroplasty, using dual-energy X-ray absorptiometry, over a 3-year period. The periprosthetic bone was divided into three regions (proximo-medial, middle, and distal to the prosthetic stem). After the insertion of a fully porous coated stem in 21 patients, the BMD was measured within 3 weeks, and 6, 12, 24, and 36 months after surgery. At 6 months, all zones showed a decrease in BMD relative to the BMD within 3 weeks, but subsequently the BMD was unchanged. The lower the BMD within 3 weeks of surgery, or the lower the body weight, the higher the percent loss of BMD at 6 months.

引用

页码：229 / 233

页数：5

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