Fluid dynamics of heart valves during atrial fibrillation: a lumped parameter-based approach

S. Scarsoglio, C. Camporeale, A. Guala and L. Ridolfi

Computer Methods in Biomechanics and Biomedical Engineering, 2016, vol. 19, issue 10, 1060-1068

Abstract: Atrial fibrillation (AF) consequences on the heart valve dynamics are usually studied along with a valvular disfunction or disease, since in medical monitoring, the two pathologies are often concomitant. Aim of the present work is to study, through a stochastic lumped-parameter approach, the basic fluid dynamics variations of heart valves, when only paroxysmal AF is present with respect to the normal sinus rhythm in absence of any valvular pathology. Among the most common parameters interpreting the valvular function, the most useful turns out to be the regurgitant volume. During AF, both atrial valves do not seem to worsen their performance, while the ventricular efficiency is remarkably reduced.

Date: 2016
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DOI: 10.1080/10255842.2015.1094800

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