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Different treatment modalities of fusiform basilar trunk aneurysm: study on computational hemodynamics

WU Chen XU Bai-nan SUN Zheng-hui WANG Fu-yu LIU Lei ZHANG Xiao-jun ZHOU Ding-biao

中华医学杂志（英文版）2012，Vol.125Issue(1)：97-101,5.

中华医学杂志（英文版）2012，Vol.125Issue(1)：97-101,5.DOI:10.3760/cma.j.issn.0366-6999.2012.01.018

Different treatment modalities of fusiform basilar trunk aneurysm: study on computational hemodynamics

WU Chen ¹XU Bai-nan ¹SUN Zheng-hui ¹WANG Fu-yu ¹LIU Lei ¹ZHANG Xiao-jun ²ZHOU Ding-biao¹

作者信息

1. Department of Neurosurgery, Chinese People's Liberation Army General Hospital, Beijing 100853, China
2. College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124,China
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摘要

Abstract

Background Unclippable fusiform basilar trunk aneurysm is a formidable condition for surgical treatment.The aim of this study was to establish a computational model and to investigate the hemodynamic characteristics in a fusiform basilar trunk aneurysm.Methods The three-dimensional digital model of a fusiform basilar trunk aneurysm was constructed using MIMICS,ANSYS and CFX software.Different hemodynamic modalities and border conditions were assigned to the model.Thirty points were selected randomly on the wall and within the aneurysm.Wall total pressure (WTP),wall shear stress (WSS),and blood flow velocity of each point were calculated and hemodynamic status was compared between different modalities.Results The quantitative average values of the 30 points on the wall and within the aneurysm were obtained by computational calculation point by point.The velocity and WSS in modalities A and B were different from those of the remaining 5 modalities; and the WTP in modalities A,E and F were higher than those of the remaining 4 modalities.Conclusions The digital model of a fusiform basilar artery aneurysm is feasible and reliable.This model could provide some important information to clinical treatment options.

关键词

basilar artery/aneurysm/hemodynamics/computational fluid dynamics

Key words

basilar artery/aneurysm/hemodynamics/computational fluid dynamics

引用本文复制引用

WU Chen,XU Bai-nan,SUN Zheng-hui,WANG Fu-yu,LIU Lei,ZHANG Xiao-jun,ZHOU Ding-biao..Different treatment modalities of fusiform basilar trunk aneurysm: study on computational hemodynamics[J].中华医学杂志（英文版）,2012,125(1):97-101,5.

基金项目

This study was supported by a grant from Beijing Natural Science Foundation (No.7093133). （No.7093133）

中华医学杂志（英文版）

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ISSN：0366-6999

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