Table 2.

Preprocedural imaging assessment.

Characteristics	Patient #1	Patient #2	Patient #3	Patient #4	Patient #5
Transthoracic echocardiography
Left ventricular ejection fraction, %	58	52	37	55	53
Mitral annular area, cm2	0.7	0.5	0.6	0.6	0.8
Mitral valve peak velocity, m/s	2.4	3.0	2.8	2.7	2.4
Mean mitral valve pressure gradient, mmHg	8	11	10	7	9
Mean left ventricular outflow tract pressure gradient, mmHg	24	29	26	26	25
Combined with ≥ moderate MR	Yes	Yes	Yes	Yes	Yes
Combined with ≥ moderate TR	Yes	Yes	Yes	No	Yes
Combined with pulmonary hypertension	No	Yes	Yes	No	Yes
Computed tomography angiography
Left atrial left–right diameter, mm	55.27	53.50	57.42	52.68	49.76
Left ventricular diameter, mm
End-diastolic left ventricle diameter (long axis)	66.14	79.62	74.73	82.27	69.14
End-diastolic left ventricle diameter (short axis)	45.31	46.83	46.58	56.19	50.83
Left-right diameter	46.62	44.57	47.03	57.17	50.50

MR, mitral regurgitation; TR, tricuspid regurgitation.