Abbreviations: HR, heart rate; BP, blood pressure; SBP, systolic blood pressure; DBP, diastole blood pressure; ASO, Amplatzer septal occluder; 2D-TEE, two-dimensional transesophageal echocardiography ;Dmax, the maximal diameter; Dmin, the minimum diameter; AMVL, anterior mitral valve leaflet; SVC, superior vena cava; IVC, inferior vena cava; ASD, atrial septal defect; LAD, left atrium dimension; RAD-ml, medial-lateral right atrium dimension; RAD-si, superior-inferior right atrium dimension; RVD-ap, antero-posterior right ventricular dimension; RVD-bml, basal medial-lateral right ventricular dimension; RVD-mml, middle medial-lateral right ventricular dimension; RVD-si, superior-inferior right ventricular dimension; TAPSE, tricuspid annulu plane systolic excusion; LVEDd, left ventricular end diastolic dimension; TVR- Vmax, the maximal velocity of tricuspid valve regurgitation ;PG, pressure gradient; RAP, right atrial pressure; PASP, pulmonary arterial systolic pressure; LVEF, left ventricular ejection fraction.