Table 3 Echocardiography data prior to surgery (mean = 120 days; median = 90 days) and early (mean = 43.1 days; median= 7 days) and late (mean=4.3 years; median= 4.4 years) after surgery

Aortic root diameter (mm)

   Preop

26

51 (14.3)

26-83

41; 50; 57

   First echo post-op

18

34.6 (5.5)

25-49

31; 34; 38

   Last echo post-op

15

33.6 (4.3)

25-40

30; 33.5; 37

LVIDd (mm)

   Preop

11

64 (11.7)

45-78

53; 62; 75

   First echo post-op

17

52 (8)

40-69

46; 52; 58

   Last echo post-op

16

49 (7.3)

36-64

43; 48; 53

Aortic velocity (m/sg)

   Preop

10

2.6 (0.9)

1.4-4.7

1.9; 2.3; 3.1

   First echo post-op

34

2.1 (0.5)

1-3.2

1.5; 2; 2.3

   Last echo post-op

20

1.97 (0.6)

0.9-3.8

1.6; 1.9; 2

Aortic max gradient

   Preop

25

51 (31)

8.1-122

22; 50; 72

   First echo post-op

38

17 (9.3)

4.3-42

10.3; 15.5; 21.2

   Last echo post-op

26

16.2 (11)

3.5-59

10.6; 14.3; 18.3

Aortic mean gradient

   Preop

16

23.7 (21)

4.4-77

8; 17.5; 34.2

   First echo post-op

37

9.5 (4.3)

3.3-23.3

5.8; 9; 12

   Last echo post-op

22

9.4 (6.4)

3-34

6.1; 8; 9.4

Aortic V2 VTI

   Preop

8

51 (26)

27-110

35; 41; 59

   First echo post-op

35

34.4 (11)

17-62

26; 32; 40

   Last echo post-op

16

37 (16)

25-91

28.4; 31; 40.1

LV ejection fraction

   Preop

19

> 50%

8 (12%)

30-50%

8 (12%)

< 30%

3 (4.5%)

   First echo post-op

15

>50%

8 (12%)

30-50%

2 (3%)

< 30%

5 (7.5%)

   Last echo post-op

19

> 50%

16 (24%)

30-50%

2 (3%)

< 30%

1 (1.5%)