Article

Atrial Secondary Mitral Regurgitation: Pathophysiology, Diagnosis, and Surgical Implications

2026-02-05

Abstract excerpt

<h4>Background: </h4> and Objectives Atrial secondary mitral regurgitation (A-SMR), also referred to as atrial functional mitral regurgitation, has emerged as a distinct clinical phenotype characterized by left atrial enlargement, mitral annular dilatation, and preserved left ventricular geometry and systolic function [1]. Frequently associated with long-standing atrial fibrillation and heart failure with preserve...

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Literature Corpus work: 27efd176-bd9b-533b-91de-c5e0e1df50e9
DOI: 10.20944/preprints202602.0227.v1

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