Changes in right ventricular-pulmonary artery coupling after transcatheter edge-to-edge repair in primary and atrial mitral regurgitation.
BACKGROUND Right ventricular-pulmonary artery (RV-PA) coupling is an established marker of prognosis in mitral regurgitation (MR), but data on its change after transcatheter edge-to-edge mitral valve repair (M-TEER) in primary or atrial MR are limited. METHODS RV-PA coupling was evaluated in 190 patients undergoing M...