椎体结构与其力学强度的关系

被引：7

作者：

胡侦明

机构：

[1] 上海第二医科大学附属第九人民医院骨科

来源：

医用生物力学 | 1997年 / 02期

关键词：

椎体; 性别; 骨改建; 小梁; 皮质骨; 骨强度; 骨量丢失; 终板; 厚度变化; 力学强度; 强度(力学);

D O I：

10.16156/j.1004-7220.1997.02.009

中图分类号：

R318.01 [生物力学];

学科分类号：

0831 ;

摘要：

<正> 从六十年代开始,骨质疏松性骨折的发病率男女比例均有明显上升,特别是椎体骨质疏松性骨折的发生率增加了2～4倍,仅美国每年就有50万人发生椎体骨折.绝经期妇女每3～4人中即有1人至少具有一节椎骨畸形.骨折和畸形与年长女性的腰痛、病废、体形和身长的变化密切相关.有资料显示;椎体骨折的高发率和与年龄相关的骨小梁密度减低相伴发生;约80%为楔形压缩性骨折.松质骨微细结构改变、骨量丢失、皮质骨及终板变薄导致应力异常分布,严重影响和减低椎体强度,以致即便是较小的创伤亦具有极高的骨折危险性.本文就上述几个方面的研究进展作一综述.

引用

页码：119 / 122

页数：4

共 9 条

[1]

Role of trabecular morphology in the etiology of age-related vertebral fractures[J] . B. D. Snyder,S. Piazza,W. T. Edwards,W. C. Hayes.Calcified Tissue International . 1993 (1)

[2]

Trabecular microfracture[J] . Nicola L. Fazzalari.Calcified Tissue International . 1993 (1)

[3]

Architecture and vertebral fracture[J] . Robert R. Recker.Calcified Tissue International . 1993 (1)

[4]

Vertebral structure and strength In vivo and In vitro[J] . Lis Mosekilde.Calcified Tissue International . 1993 (1)

[5]

Fracture risk: A role for compact bone[J] . Richard B. Mazess.Calcified Tissue International . 1990 (4)

[6]

Increasing age-adjusted risk of fragility fractures: A sign of increasing osteoporosis in successive generations?[J] . Karl J. Obrant,Urban Bengnér,Olof Johnell,Bo E. Nilsson,Ingemar Sernbo.Calcified Tissue International . 1989 (3)

[7] MEASUREMENT OF ANISOTROPIC VERTEBRAL TRABECULAR BONE LOSS DURING AGING BY QUANTITATIVE IMAGE-ANALYSIS [J].

BERGOT, C ;

LAVALJEANTET, AM ;

PRETEUX, F ;

MEUNIER, A .

CALCIFIED TISSUE INTERNATIONAL, 1988, 43 (03) :143-149

[8]

The role of three-dimensional trabecular microstructure in the pathogenesis of vertebral compression fractures[J] . M. Kleerekoper,A. R. Villanueva,J. Stanciu,D. Sudhaker Rao,A. M. Parfitt.Calcified Tissue International . 1985 (6)

[9]

Bone[P]. BIRL JOSEPH J.中国专利:US2436283A,1948-02-17

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