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The hemodynamic alterations induced by the vascular angular deformation in stent-assisted coiling of bifurcation aneurysms.
MedLine Citation:
PMID:  25089357     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The hemodynamic changes induced by stent deployment and vascular remodeling in bifurcation aneurysms were investigated using computational fluid dynamics. The stent deployment reduced the intra-aneurysmal flow activity by decreasing the mean velocity, mean kinetic energy, mean wall shear stress, and mean vorticity. These hemodynamic parameters increased with an increase in the branching angle because of the vessel deformation caused by stent straightening. The maximum wall shear stress and its spatial gradient occurred near the neck of the aneurysm in the stented left daughter vessel, whereas a maximum oscillatory shear index was detected near the neck of the right aneurysm of the right daughter vessel. Theses parameters, which might be related to the recurrence of aneurysms, were also increased by stent-induced vessel deformation.
Authors:
W Jeong; M H Han; K Rhee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-27
Journal Detail:
Title:  Computers in biology and medicine     Volume:  53C     ISSN:  1879-0534     ISO Abbreviation:  Comput. Biol. Med.     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-8-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1250250     Medline TA:  Comput Biol Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-8     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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