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RISA Method for Automatically Optimizing Medical Devices for Treating Heart Failure: Designing Polymeric Injection Patterns
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heart failure continues to present a significant medical and economic burden throughout the developed world. Novel treatments involving the injection of polymeric materials into the myocardium of ...
Simulation of Mechanical Environment in Active Lead Fixation: Effect of Fixation Helix Size
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The risk of myocardial penetration due to active-fixation screw-in type pacing leads has been reported to increase as the helix electrodes become smaller. In order to understand the contributing ...
Regional Left Ventricular Myocardial Contractility and Stress in a Finite Element Model of Posterobasal Myocardial Infarction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recently, a noninvasive method for determining regional myocardial contractility, using an animal-specific finite element (FE) model-based optimization, was developed to study a sheep with anteroapical ...
A Novel Method for Quantifying In-Vivo Regional Left Ventricular Myocardial Contractility in the Border Zone of a Myocardial Infarction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Homogeneous contractility is usually assigned to the remote region, border zone (BZ), and the infarct in existing infarcted left ventricle (LV) mathematical models. Within the LV, the contractile ...
A Computationally Efficient Formal Optimization of Regional Myocardial Contractility in a Sheep With Left Ventricular Aneurysm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A noninvasive method for estimating regional myocardial contractility in vivo would be of great value in the design and evaluation of new surgical and medical strategies to treat and/or prevent ...