Distribution of risk factors for sudden death and clinical characteristics of patients with (LVH+) and without (LVH−) left ventricular hypertrophy
| Characteristic | LVH+ (n = 15) | LVH− (n = 15) |
|---|---|---|
| Values are shown as mean (SD) or number (%). | ||
| BP, blood pressure; HCM, hypertrophic cardiomyopathy; LVWT, left ventricular wall thickness; NYHA, New York Heart Association heart failure class; VF, ventricular fibrillation; VT, ventricular tachycardia. | ||
| Age (years) | 38 (17) | 29 (17) |
| Range | 8–67 | 11–53 |
| Male sex | 10 (67%) | 8 (53%) |
| Number with ⩾2 risk factors for sudden death | 8 | 0 |
| Abnormal ECG | 15 (100%) | 3 (20%) |
| NYHA class | ||
| I | 8 (53%) | 15 (100%) |
| II | 6 (40%) | 0 |
| ⩾III | 1 (7%) | 0 |
| Family history of HCM + sudden death | 4 (27%) | 9 (60%) |
| Unexplained syncope | 2 (13%) | 1 (7%) |
| Non-sustained VT on Holter | 2 (13%) | 1 (7%) |
| Sustained VT/VF | 1 (7%) | 0 |
| Abnormal exercise BP | 6 (40%) | 2 (13%) |
| Maximum LVWT ⩾30 mm | 4 (27%) | 0 |