Simulating cardiac fluid dynamics in the human heart

M Davey, C Puelz, S Rossi, MA Smith, DR Wells… - PNAS …, 2024 - academic.oup.com
Cardiac fluid dynamics fundamentally involves interactions between complex blood flows
and the structural deformations of the muscular heart walls and the thin valve leaflets. There …

Transmural distribution of coronary perfusion and myocardial work density due to alterations in ventricular loading, geometry and contractility

L Fan, R Namani, JS Choy, GS Kassab… - Frontiers in …, 2021 - frontiersin.org
Myocardial supply changes to accommodate the variation of myocardial demand across the
heart wall to maintain normal cardiac function. A computational framework that couples the …

Bayesian optimisation for efficient parameter inference in a cardiac mechanics model of the left ventricle

A Borowska, H Gao, A Lazarus… - International Journal for …, 2022 - Wiley Online Library
We consider parameter inference in cardio‐mechanic models of the left ventricle, in
particular the one based on the Holtzapfel‐Ogden (HO) constitutive law, using clinical in vivo …

CineCT platform for in vivo and ex vivo measurement of 3D high resolution Lagrangian strains in the left ventricle following myocardial infarction and intramyocardial …

DE Midgett, SL Thorn, SS Ahn, S Uman… - Journal of molecular and …, 2022 - Elsevier
Myocardial infarction (MI) produces acute changes in strain and stiffness within the infarct
that can affect remote areas of the left ventricle (LV) and drive pathological remodeling. We …

A lumped two-compartment model for simulation of ventricular pump and tissue mechanics in ischemic heart disease

T Koopsen, N Van Osta, T Van Loon… - Frontiers in …, 2022 - frontiersin.org
Introduction: Computational modeling of cardiac mechanics and hemodynamics in ischemic
heart disease (IHD) is important for a better understanding of the complex relations between …

Sensitivity analysis and inverse uncertainty quantification for the left ventricular passive mechanics

A Lazarus, D Dalton, D Husmeier, H Gao - Biomechanics and Modeling in …, 2022 - Springer
Personalized computational cardiac models are considered to be a unique and powerful
tool in modern cardiology, integrating the knowledge of physiology, pathology and …

A finite element model of the cardiac ventricles with coupled circulation: Biventricular mesh generation with hexahedral elements, airbags and a functional mockup …

Y Zhang, J Adams, VY Wang, L Horwitz… - Computers in Biology …, 2021 - Elsevier
Introduction Finite element (FE) mechanics models of the heart are becoming more
sophisticated. However, there is lack of consensus about optimal element type and coupling …

Effect of extracellular matrix stiffness on candesartan efficacy in anti-fibrosis and antioxidation

T Zhu, J Song, B Gao, J Zhang, Y Li, Z Ye, Y Zhao… - Antioxidants, 2023 - mdpi.com
Myocardial fibrosis progression and imbalanced redox state are closely associated with
increased extracellular matrix (ECM) stiffness. Candesartan (CAN), an angiotensin II (Ang II) …

Effects of myocardial sheetlet sliding on left ventricular function

Y Zheng, WX Chan, S Nielles-Vallespin… - … and Modeling in …, 2023 - Springer
Left ventricle myocardium has a complex micro-architecture, which was revealed to consist
of myocyte bundles arranged in a series of laminar sheetlets. Recent imaging studies …

Efficient ventricular parameter estimation using AI-surrogate models

GD Maso Talou, TP Babarenda Gamage… - Frontiers in …, 2021 - frontiersin.org
The onset and progression of pathological heart conditions, such as cardiomyopathy or
heart failure, affect its mechanical behaviour due to the remodelling of the myocardial …