Table 2 Procedural and clinical outcomes

Transfemoral access(n,%)

86 (100.00)

105 (96.33)

144 (96.64)

0.204

Device(n,%)

  Venus-A

53 (60.63)

59 (54.13)

89 (59.73)

0.523

  Vita-flow

33 (38.37)

50 (45.87)

60 (40.27)

Down sizing(n,%)

29 (33.72)

34 (31.10)

23 (15.44)

0.001

Procedural outcomes

  Post-dilation(n,%)

36 (41.86)

37 (33.94)

34 (22.82)

0.007

  Depth(mm)

4.54 ± 3.27

4.31 ± 3.70

4.63 ± 3.05

0.794

  Conversion to open surgery(n,%)

2 (2.33)

1 (0.92)

2 (1.34)

0.727

  Coronary obstruction(n,%)

0 (0)

0 (0)

1 (0.67)

≥ 0.999

  Aortic root injury(n,%)

0 (0)

0 (0)

1 (0.67)

≥ 0.999

  Implantation of two valves(n,%)

6 (6.98)

9 (8.26)

8 (5.37)

0.651

Echocardiographic findings

  Mean gradient(mmHg)

12.76 ± 6.13

12.25 ± 6.09

10.36 ± 4.84

0.005

  ≥ moderate pvl(n,%)

9 (10.47)

18 (16.51)

10 (6.71)

0.043

  LVEF(%)

61.66 ± 8.44

62.13 ± 7.42

62.13 ± 7.42

0.425

In-hospital events(n,%)

  All-cause mortality

2 (2.33)

1 (0.92)

3 (2.01)

0.768

  Stroke

3 (3.49)

5 (4.59)

2 (1.34)

0.273

  New permanent pacemaker

9 (10.47)

16 (14.68)

22 (14.77)

0.608

  Major bleeding

0

2 (1.83)

2 (1.34)

0.688

  Major vascular complications

2 (2.33)

1 (0.92)

3 (2.01)

0.768

  Acute kidney injury

1 (1.16)

0 (0)

1 (0.67)

0.768