Table 2 Baseline echocardiographic data for all participants
From: Exercise capacity in moderate aortic stenosis: a cardiopulmonary stress echocardiography study
Parameter | Cases (n = 25) | Controls (n = 25) | p value |
|---|---|---|---|
Interventricular septum (mm) | 11 ± 2 | 10 ± 2 | 0.204 |
Posterior wall (mm) | 10 ± 2 | 10 ± 2 | 0.798 |
LVEDd (mm) | 46 ± 7 | 41 ± 6 | 0.004 |
Relative wall thickness | 0.45 ± 0.08 | 0.50 ± 0.13 | 0.099 |
LVMI | 93 ± 29 | 75 ± 20 | 0.014 |
LVEDV (ml) | 105 ± 17 | 95 ± 15 | 0.102 |
LVESV (ml) | 47 ± 10 | 40 ± 10 | 0.203 |
LVEF (%) | 61 ± 4 | 62 ± 4 | 0.631 |
Septal S’ (cm/s) | 5.82 ± 2.00 | 5.71 ± 2.21 | 0.855 |
Lateral S’ (cm/s) | 6.71 ± 2.67 | 6.43 ± 1.39 | 0.644 |
Average S’ | 6.27 ± 2.29 | 6.08 ± 1.60 | 0.727 |
GLS | 15.7 ± 3.5 | 16.5 ± 3.2 | 0.565 |
RVIDd (mm) | 35 ± 6 | 33 ± 5 | 0.471 |
TAPSE (mm) | 22 ± 4 | 24 ± 3 | 0.495 |
E | 0.78 ± 0.2 | 0.58 ± 0.1 | 0.292 |
E/A ratio | 0.95 ± 0.38 | 0.93 ± 0.23 | 0.849 |
LAVI (ml/m2) | 38 ± 10 | 20 ± 4 | 0.002 |
AVVmax | 3.5 ± 0.2 | 1.8 ± 0.3 | < 0.001 |
Mean gradient | 28 ± 5 | 4 ± 1 | < 0.001 |
AVA (cm2) | 1.2 ± 0.1 | 2 ± 0.1 | < 0.001 |
LVOT VTI | 23.8 ± 4 | 24.7 ± 3 | 0.375 |
DVI | 0.36 ± 0.14 | 0.6 ± 0.19 | 0.325 |
Indexed stroke volume | 42 ± 9 | 45 ± 10 | 0.256 |