Acute Valve Syndrome in Patients With Primary Mitral Regurgitation Undergoing Transcatheter Edge-to-Edge Repair.
BACKGROUND Acute or advanced valve syndrome (AVS), originally proposed in aortic stenosis to describe rapid clinical deterioration, has not been evaluated in mitral regurgitation (MR). OBJECTIVES This study sought to investigate the prognostic impact of AVS in patients with primary MR undergoing mitral transcatheter...