Demographic and baseline echocardiographic characteristics of the total cohort (n = 22)
| Variable | Mean (SD) |
|---|---|
| AS, aortic stenosis; AVA, aortic valve area; BP, blood pressure; BSA, body surface area; EF, ejection fraction; ELCo, energy loss coefficient; LV, left ventricular; % LVSW loss, percentage left ventricular stroke work loss index; ΔPmean, mean transvalvular pressure gradient; Qmean, mean transvalvular flow rate. | |
| Values in parentheses are the SD. | |
| Clinical characteristics | |
| Age (years) | 70 (10) |
| Gender (M:F) | 16:6 |
| BSA (cm2) | 1.96 (0.21) |
| Haemodynamic variables | |
| Heart rate (bpm) | 62 (8) |
| BP (mm Hg) | 143 (14)/77 (9) |
| Stroke volume (ml) | 104 (19) |
| Qmean (ml/s) | 323 (67) |
| LV EF (%) | 73 (8) |
| Stenotic indices | |
| ΔPmean (mm Hg) | 36 (13) |
| AVA (cm2) | 1.15 (0.32) |
| Resistance (dyne×s/cm5) | 153 (63) |
| % LVSW loss (%) | 19.8 (6.3) |
| ELCo (cm2) | 1.32 (0.4) |
| AS severity (based on AVA) Mild: moderate: severe | 4:10:8 |