Wall shear stress alterations at left atrium and left atrial appendage employing abnormal blood velocity profiles

GI Grigoriadis, AI Sakellarios… - 2020 42nd annual …, 2020 - ieeexplore.ieee.org
In this study, we developed and analyzed different patient-specific 3D anatomical models of
the left atrium including left atrial Appendage, in order to investigate the local …

In silico analysis of haemodynamics in patient-specific left atria with different appendage morphologies

AL Olivares, E Silva, M Nuñez-Garcia… - Functional Imaging and …, 2017 - Springer
The influence of the left atrial appendage (LAA) and its different possible morphologies in
atrial haemodynamics and thrombus formation is not fully known yet. The main goal of this …

Left atrial appendage shape impacts on the left atrial flow hemodynamics: a numerical hypothesis generating study on two cases

L Alinezhad, F Ghalichi, M Ahmadlouydarab… - Computer Methods and …, 2022 - Elsevier
Background and objectives The left atrial appendage (LAA) is the most common region for
thrombus formation in atrial fibrillation (AF). Morphological parameters such as shape, size …

[HTML][HTML] Effect of the alterations in contractility and morphology produced by atrial fibrillation on the thrombosis potential of the left atrial appendage

D Vella, A Monteleone, G Musotto, GM Bosi… - … in Bioengineering and …, 2021 - frontiersin.org
Atrial fibrillation (AF) is a common arrhythmia mainly affecting the elderly population, which
can lead to serious complications such as stroke, ischaemic attack and vascular dementia …

[HTML][HTML] Fluid-structure interaction analysis of the thromboembolic risk in the left atrial appendage under atrial fibrillation: Effect of hemodynamics and morphological …

G Musotto, A Monteleone, D Vella, B Zuccarello… - Computer Methods and …, 2024 - Elsevier
Background Complications of atrial fibrillation (AF) include ischemic events originating
within the left atrial appendage (LAA), a protrusion of the left atrium with variable …

Deep learning surrogate of computational fluid dynamics for thrombus formation risk in the left atrial appendage

X Morales, J Mill, KA Juhl, A Olivares… - Statistical Atlases and …, 2020 - Springer
Recently, the risk of thrombus formation in the left atrium (LA) has been assessed through
patient-specific computational fluid dynamic (CFD) simulations, characterizing the complex …

Hemodynamic differences caused by left atrial appendage modeling contours

Y Chen, B Xu, Y Cheng, K Luo, J Fan, M Xiang - Physics of Fluids, 2023 - pubs.aip.org
Comparing the hemodynamic parameters of thrombus-positive and thrombus-negative
patients in the early stages of the disease (before thrombus formation occurs) can help …

Computational modeling of hemodynamics and risk of thrombosis in the left atrial appendage using patient-specific blood viscosity and boundary conditions at the …

Z Zhang, J Zhu, M Wu, M Neidlin, WT Wu… - … and Modeling in …, 2023 - Springer
Hemodynamics play a vital role for the risk of thrombosis in the left atrial appendage (LAA)
and left atrium (LA) for patients with atrial fibrillation. Accurate prediction of hemodynamics in …

Impact of left atrial wall motion assumptions in fluid simulations on proposed predictors of thrombus formation

HA Kjeldsberg, C Albors, J Mill… - International Journal …, 2024 - Wiley Online Library
Atrial fibrillation (AF) poses a significant risk of stroke due to thrombus formation, which
primarily occurs in the left atrial appendage (LAA). Medical imagebased computational fluid …

Numerical analysis of hemodynamic changes in the left atrium due to atrial fibrillation

R Koizumi, K Funamoto, T Hayase, Y Kanke… - Journal of …, 2015 - Elsevier
Atrial fibrillation (AF) disrupts movement of the left atrium (LA) and worsens the vital
prognosis by causing thromboembolism. Ultrasound Doppler measurement, phase-contrast …