Characteristics of Patient Population
| Characteristic | Data (n = 34) |
|---|---|
| Age | 37 ± 17 y |
| Female | 11 (33%) |
| NYHA functional class (I/II/III) | 17 (50%)/16 (47%)/1 (3%) |
| Atrial fibrillation | 6 (18%) |
| Echocardiography | |
| LV ventricular wall thickness (mm) | 25 ± 7 (15−44) |
| LV ED diameter (mm) | 43 ± 5 (30−54) |
| LV ED diameter (mm) | 25 ± 6 (11−39) |
| LV outflow obstruction (≥30 mm Hg) | 3 (9%) |
| MRI | |
| LV ED volume (mL) | 122 ± 29 (75−205) |
| LV ES volume (mL) | 32 ± 19 (10−108) |
| LV ejection fraction (%) | 74 ± 12 (30−88) |
| LV mass (g) | 200 ± 94 (78−547) |
| Total extent of DCE (mL) | 21.0 ± 22.2 (0−80) |
Data are mean ± SD (with range in parentheses) or number of patients.