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Table 1 TTE and CMR parameters between high and low Zva groups

From: Severe aortic stenosis with high valvulo-arterial impedance (Zva) has more adverse cardiac changes on cardiovascular magnetic resonance

 

Low Zva (n = 20)

High Zva (n = 16)

p-value

Age

79.2

76.4

0.82

BAV

4 (20%)

4 (25%)

0.72

SBP (mmHg)

132.4

149.8

0.026

Zva (mmHg/mL/m2)

3.62 ± 0.17

5.23 ± 0.77

0.006

AVA-TTE (cm2)

0.86 ± 0.09

0.86 ± 0.13

0.91

AVA-CMR (cm2)

0.78 ± 0.17

0.81 ± 0.07

0.295

LVMI-CMR (g)

82 ± 16.2

110 ± 18

0.034

LVEF-CMR (%)

66 ± 12.8

50 ± 8.2

0.047

LVEDV-CMR (mL)

127 ± 38.4

184 ± 28.4

0.03

RVEF-CMR (%)

59 ± 6.3

56 ± 10.4

0.1

RVEDV-CMR (mL)

108.2 ± 22.4

128.6 ± 22

0.042

LAVI-CMR (mL/m2)

65 ± 15.3

76 ± 12.5

0.044