Objective. Estimation of mechanical function of the left atrium in patients, suffering an ischemic mitral regurgitation, using technology of the vector analysis of the endocardium movement speed. Materials and methods. Into prospective cohort of non-randomized investigation 107 patients ageing (56 ± 7.5) yrs old, 96 (89.7%) of them are men, were included. There were following criteria of selection: the Degrees I-III of ischemic mitral regurgitation by echocardiographic data, angiographically revealed an ischemic heart disease, demanding surgical revascularization, the sinus rhythm with the heart rate frequency from 60 to 89 in 1 minute, the improved echocardiographic visualization of the left atrium endocardium. Results. The indices of mechanical function of the left atrium are lowering in proportion to degree of severity of the ischemic mitral regurgitation. Longitudinal deformity and speed of the left atrium deformity reflects connection with the ischemic mitral regurgitation more, than conventional indices, applied for estimation of the left atrium geometry. The data obtained witnesses thet comparable ultrastructural changes in atrium, occurring in chronic volume overload of mitral regurgitation from Degree II and higher. The changes and velocity of the atriums deformity may be associated with severity of regurgitation. Conclusion. Significance of the left atrium mechanical function is associated with the ischemic mitral regurgitation and depends on mechanical remodeling of the left atrium. Studying of dynamics of the left atrium mechanical function in patients with mitral regurgitation may appear perspective and beneficial while doing estimation of its hemodynamical significance and choice of surgical approach as additional intervention on a mitral valve.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
customersupport@researchsolutions.com
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.