[HTML][HTML] Electro-mechanical whole-heart digital twins: a fully coupled multi-physics approach

T Gerach, S Schuler, J Fröhlich, L Lindner… - Mathematics, 2021 - mdpi.com
Mathematical models of the human heart are evolving to become a cornerstone of precision
medicine and support clinical decision making by providing a powerful tool to understand …

[HTML][HTML] 3D–0D closed-loop model for the simulation of cardiac biventricular electromechanics

R Piersanti, F Regazzoni, M Salvador, AF Corno… - Computer Methods in …, 2022 - Elsevier
Two crucial factors for accurate numerical simulations of cardiac electromechanics, which
are also essential to reproduce the synchronous activity of the heart, are:(i) accounting for …

[HTML][HTML] A machine learning method for real-time numerical simulations of cardiac electromechanics

F Regazzoni, M Salvador, L Dede… - Computer methods in …, 2022 - Elsevier
We propose a machine learning-based method to build a system of differential equations
that approximates the dynamics of 3D electromechanical models for the human heart …

[HTML][HTML] Electromechanical modeling of human ventricles with ischemic cardiomyopathy: numerical simulations in sinus rhythm and under arrhythmia

M Salvador, M Fedele, PC Africa, E Sung… - Computers in Biology …, 2021 - Elsevier
We developed a novel patient-specific computational model for the numerical simulation of
ventricular electromechanics in patients with ischemic cardiomyopathy (ICM). This model …

[HTML][HTML] The role of mechano-electric feedbacks and hemodynamic coupling in scar-related ventricular tachycardia

M Salvador, F Regazzoni, S Pagani… - Computers in Biology …, 2022 - Elsevier
Abstract Mechano-electric feedbacks (MEFs), which model how mechanical stimuli are
transduced into electrical signals, have received sparse investigation by considering …

An integrated workflow for building digital twins of cardiac electromechanics—a multi-fidelity approach for personalising active mechanics

A Jung, MAF Gsell, CM Augustin, G Plank - Mathematics, 2022 - mdpi.com
Personalised computer models of cardiac function, referred to as cardiac digital twins, are
envisioned to play an important role in clinical precision therapies of cardiovascular …

Presence of left atrial fibrosis may contribute to aberrant hemodynamics and increased risk of stroke in atrial fibrillation patients

N Paliwal, RL Ali, M Salvador, R O'Hara, R Yu… - Frontiers in …, 2021 - frontiersin.org
Atrial fibrillation (AF) patients are at high risk of stroke, with the left atrial appendage (LAA)
found to be the most common site of clot formation. Presence of left atrial (LA) fibrosis has …

Partitioned and monolithic algorithms for the numerical solution of cardiac fluid-structure interaction

M Bucelli, L Dede, A Quarteroni… - Communications in …, 2023 - re.public.polimi.it
We review and compare different fluid-structure interaction (FSI) numerical methods in the
context of heart modeling, aiming at assessing their computational efficiency for cardiac …

Parallel inexact Newton–Krylov and quasi-Newton solvers for nonlinear elasticity

NA Barnafi, LF Pavarino, S Scacchi - Computer Methods in Applied …, 2022 - Elsevier
In this work, we address the implementation and performance of inexact Newton–Krylov and
quasi-Newton algorithms, more specifically the BFGS method, for the solution of the …

[HTML][HTML] Accelerating the convergence to a limit cycle in 3D cardiac electromechanical simulations through a data-driven 0D emulator

F Regazzoni, A Quarteroni - Computers in Biology and Medicine, 2021 - Elsevier
The results of numerical simulations of cardiac electromechanics are typically characterized
by a long transient before reaching a periodic solution known as limit cycle. This yields a …