Table 2 Echo parameters pre and post procedure

PRE PROCEDURE ECHO DATA (n = 83)

LVEF, mean (SD)

20.48 (4.29)

20.67 (3.73)

20.39 (4.58)

0.79

AV Peak Velocity (m/s), mean (SD)

3.8722 (3.4)

3.60 (0.669)

4.00 (4.15)

0.62

AV Area, mean (SD)

0.66 (0.19)

0.6944 (0.22365)

0.648 (0.168)

0.3

AV Mean Gradient (mmHg), mean (SD)

28.32 (11.69)

30.736 (12.47)

27.241 (11.26)

0.22

AV Peak Gradient, mean (SD)

49.09 (20.22)

48.76 (20.88)

49.25 (20.11)

0.92

LV Septal Thickness, mean (SD)

1.19 (0.267)

1.275 (0.255)

1.15 (0.265)

0.059

Posterior wall thickness, mean (SD)

1.15 (0.217)

1.23 (0.205)

1.11 (0.215)

0.03

1 WEEK POST PROCEDURE ECHO DATA (n = 64)

LVEF, mean (SD)

33.5 (11.77)

35.3 (13.57)

33.17 (11.52)

0.60

AV Peak Velocity (m/s), mean (SD)

1.98 (0.534)

2.5 (0.60)

1.9 (0.48)

0.002

AV Area, mean (SD)

1.81 (0.550)

*

1.81 (0.55)

N/A

AV Mean Gradient (mmHg), mean (SD)

8.09 (4.814)

12.24 (6.5)

7.54 (4.33)

0.01

LV Septal Thickness, mean (SD)

1.18 (0.234)

1.23 (0.17)

1.17 (0.24)

0.48

Posterior wall thickness, mean (SD)

1.22 (0.230)

1.28 (0.26)

1.27 (0.23)

0.36

6 MONTH POST PROCEDURE ECHO DATA (n = 45)

LVEF, mean (SD)

38.87 (14.26)

38.92 (9.69)

36.03 (15.80)

0.54

AV Peak Velocity (m/s), mean (SD)

2.07 (0.535)

2.44 (0.482)

1.936 (0.4936)

0.01

AV Area, mean (SD)

1.71 (0.651)

1.22 (0.380)

1.82 (0.654)

0.09

AV Mean Gradient (mmHg), mean (SD)

8.94 (4.75)

11.52 (4.61)

7.80 (4.43)

0.03

LV Septal Thickness, mean (SD)

1.18 (0.225)

1.27 (0.215)

1.15 (0.223)

0.09

Posterior wall thickness, mean (SD)

1.16 (0.24)

1.27 (0.222)

1.121 (0.239)

0.055

12 MONTH POST PROCEDURE ECHO DATA (n = 21)

LVEF, mean (SD)

36.9 (12.22)

33.20 (6.30)

38.06 (13.5)

0.45

AV Peak Velocity (m/s), mean (SD)

2.37 (1.16)

2.16 (0.632)

2.46 (1.33)

0.64

AV Area, mean (SD)

1.65 (0.78)

1.35 (0.353)

1.72 (0.858)

0.58

AV Mean Gradient (mmHg), mean (SD)

9.89 (6.12)

11.88 (9.42)

9.16 (4.87)

0.47

LV Septal Thickness, mean (SD)

1.23 (0.24)

1.24 (0.114)

1.23 (0.274)

0.92

Posterior wall thickness, mean (SD)

1.17 (0.19)

1.22 (0.837)

1.16 (0.218)

0.54

18 MONTH POST PROCEDURE ECHO DATA (n = 14)

LVEF, mean (SD)

39.57 (16.86)

51.8 (13.27)

32.78 (15.11)

0.04

AV Peak Velocity (m/s), mean (SD)

1.50 (0.43)

1.32 (0.48)

1.60 (0.42)

0.43

AV Mean Gradient (mmHg), mean (SD)

2.00 (0.67)

5.08 (2.78)

8.16 (5.2)

0.33

LV Septal Thickness, mean (SD)

1.27 (0.22)

1.23 (0.27)

1.29 (0.38)

0.78

Posterior wall thickness, mean (SD)

1.22 (0.25)

1.30 (0.33)

1.17 (0.20)

0.39

24 MONTH POST PROCEDURE ECHO DATA (n = 14)

LVEF, mean (SD)

35.07 (16.04)

36.1 (14.5)

32.5 (21.8)

0.72

AV Peak Velocity (m/s), mean (SD)

2.51 (0.57)

2.48 (0.65)

2.59 (0.43)

0.77

AV Area, mean (SD)

1.20 (0.43)

1.27 (0.54)

1.10 (0.212)

0.58

AV Mean Gradient (mmHg), mean (SD)

14.13 (7.07)

13.4 (6.82)

15.58 (8.41)

0.64

LV Septal Thickness, mean (SD)

1.27 (0.32)

1.36 (0.316)

1.035 (0.211)

0.09

Posterior wall thickness, mean (SD)

1.26 (0.26)

1.33 (0.27)

1.11 (0.155)

0.16

24 + MONTH POST PROCEDURE ECHO DATA (n = 23)

LVEF, mean (SD)

41.26 (13.70)

39.75 (11.8)

42.91 (15.9)

0.59

AV Peak Velocity (m/s), mean (SD)

2.28 (0.46)

2.41 (0.52)

2.12 (0.35)

0.17

AV Mean Gradient (mmHg), mean (SD)

11.44 (5.17)

13.23 (6.06)

9.66 (3.50)

0.16

LV Septal Thickness, mean (SD)

1.23 (0.25)

1.29 (0.22)

1.15 (0.27)

0.19

Posterior wall thickness, mean (SD)

1.19 (0.22)

1.12 (0.19)

1.17 (0.27)

0.66