Effect of Sac Asymmetry, Neck and Iliac Angle on the Hemodynamic Behavior of Idealized Abdominal Aortic Aneurysm Geometries.

Konstantinos Tzirakis,Nikolaos Kontopodis,Elias Kehagias,Christos V Ioannou

Annals of vascular surgery（2023）

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Abstract

Favorable hemodynamic conditions develop inside the sac of idealized AAAs with increasing neck and iliac angles. Regarding the SA parameter, asymmetrical configurations most often appear advantageous. Concerning the velocity profile the triplet (φ, θ, SA) may affect outcomes under certain conditions and thus should be taken into account when parametrizing the geometric characteristics of AAAs.

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Key words

computational fluid dynamics,finite element method,idealized AAA,iliac angle,neck angle,sac asymmetry

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