Bileaflet Tethering With Preserved LV Geometry and Function: An Unusual Mechanism of Functional Mitral Regurgitation

An 81-year-old woman presented with acute pulmonary edema. Echocardiography revealed severe functional mitral regurgitation, the mechanism of which was unusual. An atypical bileaflet tethering caused by disharmonic annular remodeling, concomitant aortic dilatation, and reduced aorto-mitral angle without left ventricular dysfunction or dilatation was found. A transcatheter edge-to-edge repair was nonetheless successfully performed.

Reference: Bileaflet Tethering With Preserved LV Geometry and Function: An Unusual Mechanism of Functional Mitral Regurgitation.
Donia D, Stankowski K, Figliozzi S, Pivato CA, Regazzoli D, Mangieri A, Reimers B, Bragato RM, Stefanini G, Cannata F. JACC Case Rep. 2023 Dec 30;29(3):102191.

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