Eventos Anais de eventos
COBEM 2019
25th International Congress of Mechanical Engineering
Hemodynamic and morphological case study of an intracranial aneurysm inception and evolution
Submission Author:
Iago Lessa Oliveira , SP , Canada
Co-Authors:
Iago Lessa Oliveira, José Luiz Gasche, Julio Militzer, Carlos Baccin
Presenter: Iago Lessa Oliveira
doi://10.26678/ABCM.COBEM2019.COB2019-0516
Abstract
Aneurysms are dilated and thin regions of arterial walls of the human vascular system. One of the most common types of aneurysm occurs on brain arteries in the circle of Willis. The causes of aneurysms have been investigated for a long time, and researchers agree that hemodynamic effects play a key role in the evolution and rupture of brain aneurysms. With the development of scanning techniques of the cerebral vascular system, it has been possible to obtain the geometry of aneurysms, allowing Computational Fluid Dynamics (CFD) to be used for the solution of the blood flow. Since then, several researchers have been investigating the influence of biological and hemodynamic variables on aneurysms rupture, considering arteries and aneurysms as rigid walls. However, few studies analyze the evolution of intracranial aneurysms and the importance of hemodynamics in this process. In this work, we use one aneurysm case, in which two exams at different instants of time are available, to assess whether hemodynamic parameters can be correlated with aneurysm growth.
Keywords
Intracranial aneurysms, Aneurysm evolution, Hemodynamic, Numerical simulation
