冠状动脉搭桥术中移植管-宿主动脉直径比和缝合角的优化与分析

被引：11

作者：

马宝胜

隋允康

乔爱科

机构：

[1] 北京工业大学机械工程与应用电子技术学院

来源：

医用生物力学 | 2007年 / 03期

关键词：

血流动力学; 优化; 响应面; 数值模拟;

D O I：

暂无

中图分类号：

R654.2 [心脏];

学科分类号：

100408 [卫生政策与卫生管理学];

摘要：

目的探索怎样的移植管-宿主动脉直径比和缝合角可以最大限度地提高冠状动脉搭桥术的成功率。方法借助ANSYS9.0对冠状动脉搭桥术进行模拟仿真,用响应面方法建立数学模型,利用优化理论寻找最优的移植管-宿主动脉直径比和缝合角,使影响手术成功率的主要因素-壁面切应力梯度最小。结果结果表明冠状动脉搭桥术中,大移植管-宿主动脉直径比和小缝合角的模型具有更好的血流动力特性。结论影响冠状动脉搭桥术成功率的因素很多,在现有条件下借助临床经验指导,选择尽可能大的移植管-宿主动脉直径比和尽可能小的缝合角的做法是可取的。

引用

收藏

页码：246 / 250

页数：5

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