Simulation of coronary capillary transit time based on full vascular model of the heart

H Wang, L Fan, JS Choy, GS Kassab, LC Lee - Computer Methods and …, 2024 - Elsevier
Capillary transit time (CTT) is a fundamental determinant of gas exchange between blood
and tissues in the heart and other organs. Despite advances in experimental techniques, it …

Review of cardiac–coronary interaction and insights from mathematical modeling

L Fan, H Wang, GS Kassab… - WIREs Mechanisms of …, 2024 - Wiley Online Library
Cardiac–coronary interaction is fundamental to the function of the heart. As one of the
highest metabolic organs in the body, the cardiac oxygen demand is met by blood perfusion …

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 …

Optimization of cardiac resynchronization therapy based on a cardiac electromechanics-perfusion computational model

L Fan, JS Choy, F Raissi, GS Kassab, LC Lee - Computers in biology and …, 2022 - Elsevier
Cardiac resynchronization therapy (CRT) is an established treatment for left bundle branch
block (LBBB) resulting in mechanical dyssynchrony. Approximately 1/3 of patients with CRT …

Role of coronary flow regulation and cardiac-coronary coupling in mechanical dyssynchrony associated with right ventricular pacing

L Fan, R Namani, JS Choy… - American Journal …, 2021 - journals.physiology.org
Mechanical dyssynchrony (MD) affects left ventricular (LV) mechanics and coronary
perfusion. To understand the multifactorial effects of MD, we developed a computational …

A closed-loop modeling framework for cardiac-to-coronary coupling

AG Munneke, J Lumens, T Arts, T Delhaas - Frontiers in physiology, 2022 - frontiersin.org
The mechanisms by which cardiac mechanics effect coronary perfusion (cardiac-to-coronary
coupling) remain incompletely understood. Several coronary models have been proposed to …

Mechanism of exercise intolerance in heart diseases predicted by a computer model of myocardial demand‐supply feedback system

L Fan, Y Sun, JS Choy, GS Kassab, LC Lee - Computer Methods and …, 2022 - Elsevier
Background and objective The myocardial demand-supply feedback system plays an
important role in augmenting blood supply in response to exercise-induced increased …

Cardiac perfusion coupled with a structured coronary network tree

SH Richardson, J Mackenzie, N Thekkethil… - Computer Methods in …, 2024 - Elsevier
Sufficient myocardial perfusion plays a pivotal role in maintaining normal pump function.
However the development of a comprehensive myocardial perfusion model remains …

A review of multiscale 0D-1D computational modeling of coronary circulation with applications to cardiac arrhythmias

S Scarsoglio, L Ridolfi - arXiv preprint arXiv:2112.15537, 2021 - arxiv.org
Computational hemodynamics is becoming an increasingly important tool in clinical
applications and surgical procedures involving the cardiovascular system. Aim of this review …

Preconditioning with selective autoretroperfusion: In vivo and in silico evidence of washout hypothesis

JS Choy, T Hubbard, H Wang, Y Awakeem… - … in Bioengineering and …, 2024 - frontiersin.org
Introduction Prompt reperfusion of coronary artery after acute myocardial infarction (AMI) is
crucial for minimizing heart injury. The myocardium, however, may experience additional …