preop

follow up

p value

LVEF

38.2 ± 10.8

49.1 ± 14.6

0.018

LVEDD (mm)

62.8 ± 5.3

54.6 ± 8.5

0.005

LVESD (mm)

50.2 ± 6.3

42.4 ± 10.5

0.011

LVEDVi (ml/m²)

117.2 ± 18.9

90.5 ± 27.3

0.029

LVESVi (ml/m²)

68.6 ± 24.3

52.5 ± 25.3

0.06

tenting depth (mm)

1.18 ± 0.06

0.65 ± 0.22

<0.001

tenting area (cm²)

2.61 ± 0.58

1.22 ± 0.19

0.02

posterior leaflet angle (degree)

46.5 ± 6.2

28.6 ± 6.2

0.01

MVA (cm²)

2.25 ± 0.37

MV gradient (mmHg)

3.42 ± 1.63