Table 1.
Clinical characteristics of the study population (n = 20)
| Age (y) | 57 ± 16 |
| Male | 16 (80) |
| BMI (kg/m2) | 29 ± 6 |
| Ventricular arrhythmia | |
| PVC | 18 (90) |
| VT | 2 (10) |
| Etiology | |
| Idiopathic | 14 (70) |
| Nonischemic | 5 (25) |
| Ischemic | 1 (5) |
| PVC burden (%) | 24 ± 11 |
| LV ejection fraction by 2-dimensional echocardiography (%) | 51 ± 17 |
| Failed antiarrhythmic drugs | |
| Beta-blocker | 15 (75) |
| Class III | 6 (30) |
| Class I | 3 (15) |
Values are given as mean ± SD or n (%).
BMI = body mass index; LV = left ventricle; PVC = premature ventricular contraction; VT = ventricular tachycardia.