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Updated: Oct 8, 2025

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
Published on: May 19, 2020
A Case of Transient Mitral Regurgitation: Not Everything Is Always What It Seems
José Antonio Arias-Godínez1, Grecia Iveth Raymundo-Martínez1, María Eugenia Ruiz Esparza-Dueñas1
1Department of Echocardiography, National Institute of Cardiology Ignacio Chávez, Mexico City, Mexico.
Abstract:
Mitral regurgitation (MR) is a common form of valvular heart disease that is associated with significant morbidity and mortality. MR can be broadly classified into 2 different categories: primary and secondary MR. Primary MR usually is caused by leaflet abnormalities, whereas secondary MR is a chronic disease secondary to geometric distortion of both the annulus and subvalvular apparatus because of left ventricular remodeling. Without acute changes in loading conditions, myocardial blood flow, or rhythm disturbances, functional MR typically is not transient. In this E-Challenge, the authors show a transient and completely reversible acute and severe form of functional MR with the use of multimodal echocardiography.
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