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Communication Dans Un Congrès Année : 2019

Influence of the aortic morphological changes in aging on aortic flow

Résumé

With aging of the global population, the number of aortic flow related cardiovascular diseases (CVD) as aneurysm, dissection and atherosclerosis are increasing (Craiem et al. 2017). In such pathologies the part of the flow in the physio-pathological mechanism has still to be described and proven. In aneurysm, wall shear stress changes have been shown to be related to occurrence of burst (Vorp 2007). Additionally, wall shear stress has also been proven to be correlated with the changes in aortic tissue in ascending aorta (van Ooij et al. 2015; Lantz et al. 2011). In dissection, a study has revealed that the increase in WSS was related to alterations of the aortic morphology (Chi et al. 2017). The morphology of aorta as well as material properties of the wall changes with gender, age and body Surface Area (Biaggi et al. 2009). However the current aortic flow simulations rarely take into account the changes in the morphology (van Ooij et al. 2016). Additionally in vascular and thoracic surgery, description of the aortic morphology through a centreline has enable to describe a normal morphology according with the patient data. Aortic shapes description has also involved architectural concept as Gothic arch (Ou et al. 2006).
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Dates et versions

hal-02945558 , version 1 (22-09-2020)

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Mohammed Amine Bouqentar, Patrice Sudres, Wei Wei, Mourad Boufi, Michel Behr, et al.. Influence of the aortic morphological changes in aging on aortic flow. 44th Congress of the Société de Biomécanique, Oct 2019, Poitiers, France. pp415-417, ⟨10.1080/10255842.2020.1714965⟩. ⟨hal-02945558⟩
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