Abstract
During development, the heart begins pumping as a valveless multilayered tube capable of driving blood flow throughout the embryonic vasculature. The mechanical properties and how they interface with pumping function are not well-defined at this stage. Here, we evaluate pumping patterns using a fluid–structure interaction computational model, combined with experimental data and an energetic analysis to investigate myocardial mechanical properties. Through this work, we propose that a myocardium modeled as a Neo-Hookean material with a material constant on the order of 10 kPa is necessary for the heart tube to function with an optimal pressure and cardiac output.
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Sharifi, A., Gendernalik, A., Garrity, D. et al. Valveless pumping behavior of the simulated embryonic heart tube as a function of contractile patterns and myocardial stiffness. Biomech Model Mechanobiol 20, 2001–2012 (2021). https://doi.org/10.1007/s10237-021-01489-7
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DOI: https://doi.org/10.1007/s10237-021-01489-7