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Author:

刘赵淼 (刘赵淼.) | 南斯琦 (南斯琦.) | 史艺 (史艺.)

Indexed by:

EI Scopus PKU CSCD

Abstract:

基于中等严重程度冠状动脉病变模型,应用流固耦合方法数值研究了中等严重程度面积狭窄率(AS=50%,65%,75%)和病变长度(LL=10 mm,15ram,20 ram)对血流动力学参数的影响.研究发现:随着AS与LL的增大,病变血管分支的壁面剪应力变化愈加剧烈,狭窄段下游的壁面剪应力值逐渐降低,狭窄段下游回流区的长度呈"S"型增长,模型最大剪切速率呈抛物线型增长,压力分布曲线显著下降.血流动力学参数结果表明,中等严重程度面积狭窄率和病交长度均是可能引发血栓的因素,临床上应予以重视.

Keyword:

病变长度 血流动力学参数 流固耦合 面积狭窄率

Author Community:

  • [ 1 ] [刘赵淼]北京工业大学
  • [ 2 ] [南斯琦]北京工业大学
  • [ 3 ] [史艺]中国医学科学院阜外医院

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Source :

力学学报

ISSN: 0459-1879

Year: 2015

Issue: 6

Volume: 47

Page: 1058-1064

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 9

Chinese Cited Count:

30 Days PV: 0

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