Table 1.
Baseline characteristics
| Clinical data | All patients (n = 88) |
|---|---|
| Age, years | 55 [31–69] |
| Male sex, n (%) | 60 (68%) |
| Bicuspid aortic valve, n (%) | 36 (41%) |
| Echocardiographic data | |
| Peak aortic valve velocity, m/s* | 2.3 [1.7–3.0] |
| Mean gradient* | 13 [4, 7–19] |
| Aortic stenosis severity* | |
| Aortic sclerosis (Vmax < 200 cm/s) | 31 (35%) |
| Mild (Vmax 200–300 cm/s) | 38 (43%) |
| Moderate (Vmax 300–400 cm/s) | 13 (15%) |
| Severe (Vmax > 400 cm/s) | 6 (7%) |
| Aortic regurgitation* | |
| None/trace | 66 (75) |
| Mild | 16 (18) |
| Moderate | 6 (7) |
| Cardiovascular magnetic resonance data | |
| Eccentric jet (angle < 85°), n (%) | 45 (51%) |
| Among trileaflet valve | 19 (36%) |
| Among bicuspid valve | 26 (72%) |
| LVEDV, ml | 155 ± 40 |
| LVEDV (excluding PM), ml | 138 ± 35 |
| LVESV, ml | 67 ± 24 |
| LVESV (excluding PM), ml | 52 ± 19 |
| LVEF, % | 57 ± 6 |
| LVEF (excluding PM), % | 63 ± 7 |
| RVEDV, ml | 159 ± 41 |
| RVESV, ml | 74 ± 25 |
| RVEF, % | 54 ± 6 |
| Aortic diameter, cm | 3.5 ± 0.4 |
| Among trileaflet valve | 3.4 ± 0.4 |
| Among bicuspid valve | 3.6 ± 0.5 |
| Stroke volume estimations | |
| LV stroke volume (volumetric), ml | 87 ± 20 |
| LV stroke volume (volumetric, excluding PM), ml | 86 ± 20 |
| LV stroke volume (PCAA), ml | 80 ± 20 |
| LV stroke volume (PCLVOT), ml | 84 ± 20 |
| RV stroke volume (volumetric), ml | 85 ± 19 |
*By Echocardiography. Data presented as count (%), mean ± standard deviation or median [interquartile range] according to variable distribution. LV left ventricular, RV right ventricular, EDV end-diastolic volume, ESV end-systolic volume, EF ejection fraction, PC phase-contrast, PM papillary muscles, SV stroke volume