Authors
Martin Genet, Lik Chuan Lee, Rebecca Nguyen, Henrik Haraldsson, Gabriel Acevedo-Bolton, Zhihong Zhang, Liang Ge, Karen Ordovas, Sebastian Kozerke, Julius M Guccione
Publication date
2014/5/29
Journal
Journal of Applied Physiology
Publisher
American Physiological Society
Description
Ventricular wall stress is believed to be responsible for many physical mechanisms taking place in the human heart, including ventricular remodeling, which is frequently associated with heart failure. Therefore, normalization of ventricular wall stress is the cornerstone of many existing and new treatments for heart failure. In this paper, we sought to construct reference maps of normal ventricular wall stress in humans that could be used as a target for in silico optimization studies of existing and potential new treatments for heart failure. To do so, we constructed personalized computational models of the left ventricles of five normal human subjects using magnetic resonance images and the finite-element method. These models were calibrated using left ventricular volume data extracted from magnetic resonance imaging (MRI) and validated through comparison with strain measurements from tagged MRI (950 ± 170 …
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