Baseline echocardiographic and cardiac MR parameters
| Parameters | Moderate AS (n=63) | Severe asymptomatic AS (n=22) | Severe symptomatic AS (n=24) |
|---|---|---|---|
| Echocardiography | |||
| Peak AV velocity m/s | 3.2±0.4 | 3.9±0.6* | 4.3±0.6* ** |
| Cardiac MRI | |||
| LV mass (g) | 159±39 | 162±41 | 185±48* |
| LV mass index (g/m2) | 82±17 | 88±22 | 98±24* |
| LV ejection fraction (%) | 69±8 | 75±9* | 71±11.9 |
| LVEDV (ml) | 143±35 | 126±30 | 145±38 |
| LVESV (ml) | 46±21 | 32±16* | 44±27 |
| T1 values (ms) | 955±30 | 972±33*** | 1014±38* ** *** |
Values are means±SD.
*p<0.05 vs moderate AS, **p<0.05 vs severe asymptomatic AS, ***p<0.05 vs normal subjects.
AS, aortic stenosis; AV, aortic valve; LV, left ventricular; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume.