Table 1.
Baseline characteristics (n = 20).
| Age, y | 57.7 ± 14.4 |
| Male, % | 6 (30) |
| BMI, Kg/m2 | 26.1 ± 4.3 |
| Dyspnea | |
| NYHA functional class III/IV, % | 19 (95) |
| Angina pectoris, % | 3 (15) |
| Syncope or presyncope, % | 2 (10) |
| Palpitations, % | 20 (100) |
| Prior septal reduction, % | |
| ASA, % | 1 (5) |
| Cardiovascular diseases | |
| Hypertension, % | 10 (50) |
| Coronary artery disease, % | 2 (10) |
| Atrial fibrillation, % | 3 (15) |
| Echocardiography | |
| Left atrial diameter, mm | 42.7 ± 5.7 |
| Length of AML | 27.8 ± 3.4 |
| Doppler gradient at rest, mm Hg | 86.5 ± 29.2 |
| Gradient at rest >50 mm Hg, % | 20 (100) |
| LVEF, % | 72.5 ± 4.9 |
| ECG, including Holter | |
| Sinus rhythm, % | 18 (90) |
| Right bundle branch block | 1 (5) |
| Atrial fibrillation, % | 4 (20) |
| Non-sustained ventricular tachycardia, % | 2 (10) |
Values are mean ± SD or n (%).
NYHA, New York Heart Association; ASA, alcohol septal ablation; AML, anterior mitral leaflet; LVEF, left ventricular eject; ECG, electrocardiography.