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Aorto-ventricular matching (AVM), the ratio of aortic elastance (Ea) and left ventricular (LV) end-systolic elastance (Ees), provides a framework for analyzing the interaction between LV function and aortic impedance. In the optimal condition, LV elastance (the energy source) and aortic elastance (the load) are coupled to maximize the amount of energy transferred from the source to the load. Conversely,...
Previously aortic stiffness is frequently assessed through pulse pressure and pulse wave velocity (PWV) measurements. However, these methods need aortic pressure obtained by catheterization. A new model has been developed to rapidly determine the aortic pressure profile and simultaneously calculate aortic stiffness. Comparison between the aortic pressure result obtained from this and catheterization...
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