Key result
Two-dimensional numerical simulations of Transcatheter Aortic Valve Implantation demonstrate that blood flow may be subject to stagnation in the lower domain of the sinuses of Valsalva.
Why the study?
Does Transcatheter Aortic Valve Implantation lead to blood flow stagnation in the sinuses of Valsalva in a computational model?
Does Transcatheter Aortic Valve Implantation lead to blood flow stagnation in the sinuses of Valsalva in a computational model?
Answers are grounded in this paper and cite their sources.
Computational modeling suggests that TAVI may lead to blood flow stagnation in the lower domain of the sinuses of Valsalva, highlighting a potential mechanism for post-procedural thrombosis.
In this work, the hemodynamics in the sinuses of Valsalva after Transcatheter Aortic Valve Implantation is numerically examined. We focus on the physical results in the two-dimensional case. We use a finite element methodology based on a Lagrange multiplier technique that enables to couple the dynamics of blood flow and the leaflets’ movement. A massively parallel implementation of a monolithic and fully implicit solver allows more accuracy and significant computational savings. The elastic properties of the aortic valve are disregarded, and the numerical computations are performed under physiologically correct pressure loads. Computational results depict that blood flow may be subject to stagnation in the lower domain of the sinuses of Valsalva after Transcatheter Aortic Valve Implantation.
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Laadhari et al. (2017) studied Transcatheter Aortic Valve Implantation. Transcatheter Aortic Valve Implantation (computational simulation) was evaluated on Blood flow stagnation in the sinuses of Valsalva. Two-dimensional numerical simulations of Transcatheter Aortic Valve Implantation demonstrate that blood flow may be subject to stagnation in the lower domain of the sinuses of Valsalva.
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