Multi-scale simulations of cardiac electrophysiology and mechanics using the University of Tokyo heart simulator

S Sugiura, T Washio, A Hatano, J Okada… - Progress in biophysics …, 2012 - Elsevier
The importance and need for an integrative mathematical modeling approach in the
biological and medical fields is currently well recognized. Such an approach is crucial in …

Cardiac tissue structure, properties, and performance: a materials science perspective

M Golob, RL Moss, NC Chesler - Annals of biomedical engineering, 2014 - Springer
From an engineering perspective, many forms of heart disease can be thought of as a
reduction in biomaterial performance, in which the biomaterial is the tissue comprising the …

Screening system for drug-induced arrhythmogenic risk combining a patch clamp and heart simulator

J Okada, T Yoshinaga, J Kurokawa, T Washio… - Science …, 2015 - science.org
To save time and cost for drug discovery, a paradigm shift in cardiotoxicity testing is
required. We introduce a novel screening system for drug-induced arrhythmogenic risk that …

Transmural and apicobasal gradients in repolarization contribute to T-wave genesis in human surface ECG

J Okada, T Washio, A Maehara… - American Journal …, 2011 - journals.physiology.org
The cellular basis of the T-wave morphology of surface ECG remains controversial in clinical
cardiology. We examined the effect of action potential duration (APD) distribution on T-wave …

[HTML][HTML] Multi-scale, tailor-made heart simulation can predict the effect of cardiac resynchronization therapy

J Okada, T Washio, M Nakagawa, M Watanabe… - Journal of molecular and …, 2017 - Elsevier
Background The currently proposed criteria for identifying patients who would benefit from
cardiac resynchronization therapy (CRT) still need to be optimized. A multi-scale heart …

Multiscale heart simulation with cooperative stochastic cross-bridge dynamics and cellular structures

T Washio, J Okada, A Takahashi, K Yoneda… - Multiscale Modeling & …, 2013 - SIAM
In this paper, we introduce a multiscale heart simulation method that integrates the three-
scale phenomena from the microscopic stochastic sarcomere kinetics to the macroscopic …

Numerical methods for simulating blood flow at macro, micro, and multi scales

Y Imai, T Omori, Y Shimogonya, T Yamaguchi… - Journal of …, 2016 - Elsevier
In the past decade, numerical methods for the computational biomechanics of blood flow
have progressed to overcome difficulties in diverse applications from cellular to organ …

Biomechanical simulation of thorax deformation using finite element approach

G Zhang, X Chen, J Ohgi, T Miura, A Nakamoto… - Biomedical engineering …, 2016 - Springer
Background The biomechanical simulation of the human respiratory system is expected to
be a useful tool for the diagnosis and treatment of respiratory diseases. Because the …

Personalized perioperative multi-scale, multi-physics heart simulation of double outlet right ventricle

T Kariya, T Washio, J Okada, M Nakagawa… - Annals of biomedical …, 2020 - Springer
For treatment of complex congenital heart disease, computer simulation using a three-
dimensional heart model may help to improve outcomes by enabling detailed preoperative …

Patient specific simulation of body surface ECG using the finite element method

JUNI OKADA, T Sasaki, T Washio… - Pacing and clinical …, 2013 - Wiley Online Library
Background Recent studies, supported by advances in computer science, have successfully
simulated the excitation and repolarization processes of the heart, based on detailed cell …