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Periprosthetic bone mineral density changes with femoral components of differing design philosophy.假体周围骨密度随不同设计理念的股骨假体组件而变化。
Int Orthop. 2001;25(2):89-92. doi: 10.1007/s002640100246.
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Bone loss around failed femoral implant measured by dual-energy X-ray absorptiometry.
J Orthop Sci. 2000;5(4):380-4. doi: 10.1007/s007760070047.
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Changes in bone mineral density adjacent to two biomechanically different types of cementless femoral stems in total hip arthroplasty.全髋关节置换术中两种生物力学不同类型的非骨水泥股骨柄附近骨密度的变化。
Int Orthop. 1998;22(4):225-9. doi: 10.1007/s002640050247.
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Periprosthetic mineralization around cementless total hip endoprosthesis: longitudinal study and cross-sectional study on titanium threaded acetabular cup and cementless Spotorno stem with DEXA.非骨水泥型全髋关节假体周围的矿物质沉积：采用双能X线吸收法对钛制螺纹髋臼杯和非骨水泥型Spotorno股骨柄进行纵向研究和横断面研究。
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Periprosthetic bone loss and regional bone turnover in uncemented total hip arthroplasty: a prospective study using high resolution single photon emission tomography and dual-energy X-ray absorptiometry.
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Altered load history affects periprosthetic bone loss following cementless total hip arthroplasty.改变的负荷历史会影响非骨水泥型全髋关节置换术后假体周围骨丢失。
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Evaluation of periprosthetic bone using dual-energy x-ray absorptiometry: precision of the method and effect of operation on bone mineral density.使用双能X线吸收法评估假体周围骨：该方法的精度及手术对骨密度的影响
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两种生物力学不同类型的非骨水泥型股骨柄假体周围骨密度差异的前瞻性比较。

Prospective comparison of differences in bone mineral density adjacent to two biomechanically different types of cementless femoral stems.

作者信息

Zerahn B, Lausten G S, Kanstrup I-L

机构信息

Department of Clinical Physiology and Nuclear Medicine, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark.

出版信息

Int Orthop. 2004 Jun;28(3):146-50. doi: 10.1007/s00264-003-0534-x. Epub 2004 Jan 17.

DOI:10.1007/s00264-003-0534-x
PMID:14730398
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3474486/
Abstract

We compared the differences in bone mineral density (BMD) adjacent to two biomechanically different cementless femoral stems (Spotorno and Evolution-K). Measurements were performed within the first week after surgery and 3, 6, 12, and 24 months postoperatively in a prospective study of 31 patients with 37 total hip arthroplasties. A modified Harris hip score and a visual analogue score for patient satisfaction was used to evaluate the clinical outcome. For both stems, dual X-ray absorptiometry measurements revealed a decrease in BMD in Gruen zone 7. Patients with a Spotorno stem also had a significant decrease in BMD in zones 1 and 2. In patients with an Evolution-K stem, there was a positive correlation between the clinical outcome and BMD in Gruen zones 1 and 4. Our data suggest that periprosthetic bone loss is equal to if not less pronounced adjacent to the Evolution-K stem as compared to the Spotorno stem.

摘要

我们比较了两种生物力学不同的非骨水泥型股骨柄（Spotorno和Evolution-K）周围骨密度（BMD）的差异。在一项对31例患者进行37次全髋关节置换术的前瞻性研究中，于术后第一周以及术后3、6、12和24个月进行测量。采用改良Harris髋关节评分和患者满意度视觉模拟评分来评估临床结果。对于两种股骨柄，双能X线吸收法测量显示Gruen 7区骨密度降低。使用Spotorno股骨柄的患者在1区和2区骨密度也显著降低。对于使用Evolution-K股骨柄的患者，Gruen 1区和4区的临床结果与骨密度之间存在正相关。我们的数据表明，与Spotorno股骨柄相比，Evolution-K股骨柄周围的假体周围骨丢失即便没有更轻，至少也是相当的。