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Table 4 Change in mean measurements pre- and post SAVR and TAVI

From: Assessment of aortic stiffness by cardiovascular magnetic resonance following the treatment of severe aortic stenosis by TAVI and surgical AVR

 

SAVR

TAVI

 

Pre

Post

p value*

Pre

Post

p value*

Ascending AD (×10−3mmHg−1)

1.95 ± 1.15

1.57 ± 0.68

0.044

1.96 ± 1.51

1.72 ± 0.78

0.380

Descending AD (×10−3mmHg−1)

3.05 ± 1.12

2.66 ± 1.00

0.018

2.69 ± 1.79

2.21 ± 0.79

0.181

Aortic Arch PWV (m/s)

6.38 ± 4.47

11.01 ± 5.75

0.001

8.69 ± 6.76

10.23 ± 7.88

0.301

Change in AA area** (mm2)

99 ± 54

80 ± 42

0.032

85 ± 32

91 ± 38

0.410

Change in DA area*** (mm2)

87 ± 26

80 ± 27

0.083

73 ± 28

74 ± 25

0.916

Pulse pressure (mmHg)

58 ± 19

61 ± 14

0.322

63 ± 24

70 ± 20

0.150

Length of aortic arch (mm)

139 ± 18

134 ± 20

0.129

126 ± 21

122 ± 16

0.223

  1. *paired samples t-test
  2. **defined as maximal– baseline cross-sectional ascending aortic area
  3. ***defined as maximal– baseline cross-sectional descending aortic area