[1]王 亮,冯 睿,陆清声,等.采用ＣＴ断层扫描图像构建ＤｅＢａｋｅｙ Ⅲ型主动脉夹层三维血流动力学数值模拟分析模型[J].介入放射学杂志,2010,(10):767-771.
　WANG Liang,FENG Rui,LU Qing-sheng,et al.The construction of realistic 3D hemodynamic models of DeBakey Ⅲ aortic dissection by using CT images and its application in computational mimic analysis[J].journal interventional radiology,2010,(10):767-771.
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采用ＣＴ断层扫描图像构建ＤｅＢａｋｅｙ Ⅲ型主动脉夹层三维血流动力学数值模拟分析模型()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2010年10期
页码:
767-771
栏目:
血管介入
出版日期:
2010-10-30

文章信息/Info

Title:
The construction of realistic 3D hemodynamic models of DeBakey Ⅲ aortic dissection by using CT images and its application in computational mimic analysis
作者:
王 亮; 冯 睿; 陆清声; 等
200433  上海 第二军医大学长海医院血管外科
Author(s):
WANG Liang;  FENG Rui;  LU Qing-sheng;  LIAO Ming-fang;  JING Zai-ping.
Department of Vascular Surgery, Changhai Hospital, the Second Military Medical University, Shanghai, 200433, China
关键词:
主动脉;  主动脉夹层;  血流动力学;  计算机断层扫描血管造影;  计算流体力学分析
分类号:
Ｒ５４３.１６
文献标志码:
Ａ
摘要:
目的 探索简便、精确的方法构建仿真的ＤｅＢａｋｅｙ Ⅲ型主动脉夹层血流动力学计算机模拟分析三维模型的方法。方法 利用Ｓｉｅｍｅｎｓ Ｓｅｎｓａｔｉｏｎ Ｃａｒｄｉａｃ ６４层螺旋ＣＴ薄层扫描技术，基于１ ｍｍ层厚获取４种临床常见典型形态的ＤｅＢａｋｅｙ Ⅲ型主动脉夹层连续断层ＤＩＣＯＭ格式图像，导入医学图像处理软件Ｍａｔｅｒｉａｌｉｓｅ ＭＩＭＩＣＳ ｖ１２．１１，界定目标区域后生成三维动脉模型，经网格优化处理去除低质量及相交面网格，保存结果输出，导入ＴＧｒｉｄ ５．０软件，对主动脉面网格模型进行几何修复，使面网格扭曲率 ＜ ０．７５，采用非结构化四面体网格生成ＤｅＢａｋｅｙ Ⅲ型主动脉夹层血流动力学分析计算机模拟体网格模型，并对所构建模型进行血流属性、流场边界等界定，初步验证模型的有效性。结果 通过初步计算求解，确定所构建的ＤｅＢａｋｅｙ Ⅲ型主动脉模型分别包含１８５７０３０，１８２０５０１，１８４４１８１及１８１４９１４ ４个四面体单元。结论 利用６４层螺旋ＣＴ薄层扫描技术获取ＤＩＣＯＭ格式连续断层ＣＴ图像，可快速、准确地构建ＤｅＢａｋｅｙ Ⅲ型主动脉夹层血流动力学分析计算机模型，为进一步的计算流体力学分析奠定了良好的基础。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：２０１００６１８
更新日期/Last Update: 2010-10-30