Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | Blood Flow in the Abdominal Aorta Post ’Chimney’ Endovascular Aneurysm Repair Linköping University Electronic Press Conference Proceedings
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Title:
Blood Flow in the Abdominal Aorta Post ’Chimney’ Endovascular Aneurysm Repair
Author:
Hila Ben Gur: School of Mechanical Engineering Faculty of Engineering, Tel Aviv University Tel Aviv, Israel Moshe Halak: Department of Vascular Surgery, The Chaim Sheba Medical Center, Tel Hashomer, Israel Moshe Brand: Department of Mechanical Engineering and Mechatronics, Faculty of Engineering, Ariel University, Ariel, Israel
DOI:
10.3384/ecp17142667
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016
Issue:
142
Article no.:
097
Pages:
667-672
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2018-12-19
ISBN:
978-91-7685-399-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Aortic aneurysms are a main death cause in the elderly population throughout the western world. In recent years, more aneurysm repairs are performed endovascularly using stent grafts (SGs) inserted into the aneurysm site through the arterial system (minimally invasive). In this study, we analyze the hemodynamics in an aneurysmatic abdominal aorta (AAA) endovascularly repaired by a stent graft (SG) system using the chimney technique. Computational fluid dynamics (CFD) is employed to study models of a healthy aorta versus an aorta post ’chimney’ endovascular aneurysm repair (ChEVAR) using chimney stent grafts (CSG) inserted into each renal artery in parallel to the aortic SG. Results demonstrate that the presence of the CSGs results in stagnation regions and wall shear stress (WSS) modifications, yet the flow regime remains laminar. Thus, indicating the spatially contained effects of the ChEVAR technique and further supporting its merit.

Keywords: ChEVAR, abdominal aortic aneurysm (AAA), chimney stent grafts (CSG), computational fluid dynamics (CFD), hemodynamics, wall shear stresses (WSS)

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Hila Ben Gur, Moshe Halak, Moshe Brand
Title:
Blood Flow in the Abdominal Aorta Post ’Chimney’ Endovascular Aneurysm Repair
DOI:
http://dx.doi.org/10.3384/ecp17142667
References:
No references available

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Hila Ben Gur, Moshe Halak, Moshe Brand
Title:
Blood Flow in the Abdominal Aorta Post ’Chimney’ Endovascular Aneurysm Repair
DOI:
https://doi.org10.3384/ecp17142667
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Last updated: 2019-10-02