Before treatment After treatment p value
Mean gradient, mmHg 10 ± 3.5 4.3 ± 2.7 <0.001
Pressure half-time, msec 407.6 ± 256.6 139.7 ± 109.2 <0.001
Type of thrombus
Obstructive 65 (97%) 14 (25.5%) 0.04
Non-obstructive 2 (3%) 10 (18.5%) 0.04
Thrombus diameter, cm * 1.13 (0.10 - 3) 0.67 (0 - 2) 0.06
Thrombus area, cm2 ** 0.9 (0.11 - 2.42) 0.4 (0 - 1.14) 0.31
LVEF% 45.3 ± 6.3 46.5 ± 5.7 0.57
Transvalvular leak 0.013
Mild 2 (4%) 8 (40%)
Moderate 27 (54%) 3 (15%)
Severe 9 (18%) 0
RVEF 0.41
Mild 2 (3.2%) 2 (3.7%)
Mild to moderate 13 (20.6%) 3 (5.6%)
Moderate 25 (39.7%) 30 (55.6%)
Moderate to severe 11 (17.5%) 9 (16.4%)
Severe 12 (19%) 10 (18.5%)
Mean PAP (mmHg) 30.7 ± 11 25 ± 9.4 0.50