Modeling process of embolization arteriovenous malformation on the basis of two-phase filtration model

All-Russian conference on Nonlinear Waves: Theory and New Applications

Cherevko, A.A.^1,2 ; Gologush, T.S.^2 ; Ostapenko, V.V.^1,2 ; Petrenko, I.A.^3 ; Chupakhin, A.P.^1,2

Lavrentyev Institute of Hydrodynamics of the Siberian Branch, Russian Academy of Sciences, Novosibirsk

630090, Russia^1

Novosibirsk State University, Novosibirsk

630090, Russia^2

Vladimir State University, Vladimir

60000, Russia^3

关键词: Adhesive substances;    Arteriovenous malformation;    Buckley-Leverett equation;    Embolization;    Modeling process;    Porous medium;    Two-phase filtration;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/722/1/012009/pdf
DOI  :  10.1088/1742-6596/722/1/012009

来源: IOP

【 摘 要 】

Arteriovenous malformation is a chaotic disordered interlacement of very small diameter vessels, performing reset of blood from the artery into the vein. In this regard it can be adequately modeled using porous medium. In this model process of embolization described as penetration of non-adhesive substance ONYX into the porous medium, filled with blood, both of these fluids are not mixed with each other. In one-dimensional approximation such processes are well described by Buckley-Leverett equation. In this paper Buckley-Leverett equation is solved numerically by using a new modification of Cabaret scheme. The results of numerical modeling process of embolization of AVM are shown.