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Published: 2020-09-24
Last edited: 2020-09-24

Computational Modeling of Coupled Energetics and Mechanics in the Rat Ventricular Myocardium

Marzban, B. , Lopez, R. , Beard, D. A.

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To cite this Physiome article, cite the whole collection at the DOI: 10.36903/physiome.12964970, and the Primary Publication at the DOI:

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Primary Publication: Impaired Myocardial Energetics Causes Mechanical Dysfunction in Decompensated Failing Hearts. 2020, Lopez, R and Marzban, B and Gao, X and Lauinger, E and Van den Bergh, F and Whitesall, S. E. and Converso-Baran, K and Burant, C. F. and Michele, D. E. and Beard, D. A.

Abstract: This paper details a multi-scale model computational model of myocardial energetics---oxidative ATP synthesis, ATP hydrolysis, and phosphate metabolite kinetics---and myocardial mechanics used to analyze data from a rat model of cardiac decompensation and failure. Combined, these two models simulate cardiac mechano-energetics: the coupling between metabolic production of ATP and hydrolysis of ATP to generate mechanical work. The model is used to predict how differences in energetic metabolic state found in failing versus control hearts causally contribute to systolic mechanical dysfunction in heart failure. This Physiome paper describes how to access, run, and manipulate these computer models, how to parameterize the models to match data, and how to compare model predictions to data.

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