In vitro investigation of the blood flow downstream of a 3D-printed aortic valve
The hemodynamics in the aorta as well as the durability of aortic valve prostheses vary
greatly between different types of devices. Although placement and sizing of surgical aortic …
greatly between different types of devices. Although placement and sizing of surgical aortic …
Impact of turbulence modeling on the simulation of blood flow in aortic coarctation
S Katz, A Caiazzo, B Moreau… - International Journal …, 2023 - Wiley Online Library
Numerical simulations of pulsatile blood flow in an aortic coarctation require the use of
turbulence modeling. This paper considers three models from the class of large eddy …
turbulence modeling. This paper considers three models from the class of large eddy …
Quantitative evaluation of aortic valve regurgitation in 4D flow cardiac magnetic resonance: at which level should we measure?
Purpose To find the best level to measure aortic flow for quantification of aortic regurgitation
(AR) in 4D flow CMR. Methods In 27 congenital heart disease patients with AR (67% male …
(AR) in 4D flow CMR. Methods In 27 congenital heart disease patients with AR (67% male …
[HTML][HTML] The relation between aortic morphology and transcatheter aortic heart valve thrombosis: Particle tracing and platelet activation in larger aortic roots with and …
Transcatheter aortic heart valve thrombosis (THVT) affects long-term valve durability,
transvalvular pressure gradient and leaflet mobility. In this study, we conduct high-fidelity …
transvalvular pressure gradient and leaflet mobility. In this study, we conduct high-fidelity …
[HTML][HTML] Altered blood flow due to larger aortic diameters in patients with transcatheter heart valve thrombosis
SE Jahren, C Demirel, KM Bornemann, P Corso… - APL …, 2023 - pubs.aip.org
The etiology of transcatheter heart valve thrombosis (THVT) and the relevance of the aortic
root geometry on the occurrence of THVT are largely unknown. The first aim of this pilot …
root geometry on the occurrence of THVT are largely unknown. The first aim of this pilot …
Sinus hemodynamics after transcatheter aortic valve implantation: Effect of native leaflet length and aortic sinus diameter
There are several methods for treating aortic stenosis including transcatheter valve
implantation (TAVI) and surgical aortic valve replacement. Among these, TAVI is highly …
implantation (TAVI) and surgical aortic valve replacement. Among these, TAVI is highly …
[HTML][HTML] Analysis of the directional and spectral distributions of kinetic energy in aortic blood flow
D Büchner, EL Manchester, XY Xu - Physics of Fluids, 2024 - pubs.aip.org
It has been recognized that blood flow in large vessels, such as the aorta, may undergo a
transition to turbulent flow in the presence of cardiovascular disorders, while flow in the …
transition to turbulent flow in the presence of cardiovascular disorders, while flow in the …
[HTML][HTML] Development of novel Reynolds-averaged Navier-Stokes turbulence models based on Lie symmetry constraints
D Klingenberg - 2022 - tuprints.ulb.tu-darmstadt.de
In the present work, the problem of RANS (Reynolds-Averaged Navier–Stokes) turbulence
modeling is investigated from a novel angle by considering recently discovered constraints …
modeling is investigated from a novel angle by considering recently discovered constraints …
Uncertainty Quantification For Turbulent Flows with Machine Learning
M Chu, W Qian - arXiv preprint arXiv:2310.11435, 2023 - arxiv.org
Turbulent flows are of central importance across applications in science and engineering
problems. For design and analysis, scientists and engineers use Computational Fluid …
problems. For design and analysis, scientists and engineers use Computational Fluid …
Mid-term outcomes of patients with Lotus and Evolut transcatheter valves
P Hájek, E Polaková, R Adlová, M Horváth… - … Cardiology/Postępy w …, 2022 - termedia.pl
Long-term data on Lotus®(Boston Scientific, USA) transcatheter aortic valve prostheses are
lacking. Our study suggests that higher cardiovascular mortality rates during mid-term follow …
lacking. Our study suggests that higher cardiovascular mortality rates during mid-term follow …