Document Detail


Fluid-structure interaction in layered aortic arch aneurysm model: assessing the combined influence of arch aneurysm and wall stiffness.
MedLine Citation:
PMID:  18488962     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The patients with aortic aneurysm, especially aortic arch aneurysm, are prone to have aortic dissection. For investigation of the effect of aneurysm and wall stiffness on wall stress distribution, both the nonaneurysm arch model and the aneurysm arch model are constructed. The fluid structure interaction in the arch model of aorta was implemented. The results show the stresses are much higher at inflection points in aneurysm model than in nonaneurysm model, and the stresses at media in stiffened wall are higher than in unstiffened wall. The high composite stress is located at inflection points and is much higher in aneurysm model. The arch aneurysm and wall stiffening are important determinants of peak wall stress in aortic wall.
Authors:
F Gao; O Ohta; T Matsuzawa
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Australasian physical & engineering sciences in medicine / supported by the Australasian College of Physical Scientists in Medicine and the Australasian Association of Physical Sciences in Medicine     Volume:  31     ISSN:  0158-9938     ISO Abbreviation:  Australas Phys Eng Sci Med     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-05-20     Completed Date:  2008-06-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8208130     Medline TA:  Australas Phys Eng Sci Med     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  32-41     Citation Subset:  IM    
Affiliation:
Center for Visceral Biomechanics and Pain, Aalborg Hospital Science and Innovation Center, Denmark.
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MeSH Terms
Descriptor/Qualifier:
Animals
Aorta, Thoracic / physiopathology*
Aortic Aneurysm / physiopathology*
Blood Flow Velocity
Blood Pressure
Computer Simulation
Elasticity
Humans
Models, Cardiovascular*
Shear Strength
Stress, Mechanical

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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