One of significant impact of stent usage for the treatment of the saccular aneurysm is deformation of the parent vessel. Present study demonstrates the influence of the aneurysm deformation caused by the stent on the risk of aneurysm rupture. Computational fluid dynamic is applied for the modeling of the blood flow inside three internal carotid artery (ICA) aneurysms with different neck angles. One-way fluid–structure interaction model is applied for the interaction of the blood and vessel. Two stage of deformation is applied on the parent vessel to analyze the influence of deformation on the hemodynamic factors of wall shear stress and oscillatory shear index. Achieved results indicate that the deformation of the aneurysm by the stent significantly reduce wall shear stress is on the sac wall and decrease the risk of internal carotid artery ICA aneurysm rupture. Our finding confirm that the main effect of aneurysm deformation is reduction of the blood velocity near ostium region.
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December 2023
Research Article|
December 14 2023
Influence of deformed parent vessel on rupture risk of micro cerebral aneurysm: Numerical study
Special Collection:
Microscopic Channel Flows
Kang Kang;
Kang Kang
(Writing – review & editing)
1
Department of Neurology, Xinyang Central Hospital
, Xinyang 464000, Henan, China
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Shujuan Ji;
Shujuan Ji
a)
(Investigation, Visualization)
1
Department of Neurology, Xinyang Central Hospital
, Xinyang 464000, Henan, China
a)Author to whom correspondence should be addressed: [email protected]
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Saman Aminian
Saman Aminian
b)
(Data curation, Methodology)
2
Department of Civil Engineering, College of Engineering, Cihan University-Erbil
, Erbil, Iraq
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a)Author to whom correspondence should be addressed: [email protected]
b)
Electronic mail: [email protected]
Physics of Fluids 35, 121908 (2023)
Article history
Received:
September 25 2023
Accepted:
November 22 2023
Citation
Kang Kang, Shujuan Ji, Saman Aminian; Influence of deformed parent vessel on rupture risk of micro cerebral aneurysm: Numerical study. Physics of Fluids 1 December 2023; 35 (12): 121908. https://doi.org/10.1063/5.0177898
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