Table 1.
Characteristics of patients
| Characteristics | Number of Patients (%) |
|---|---|
| Pathogenesis | |
| Ischemic | 5 (21.7%) |
| Chagasic | 4 (17.3%) |
| Idiopatic dilated cardiomyopathy | 7 (30.4%) |
| Hypertensive | 5 (21.7%) |
| Valvar | 2 (8.6%) |
| Left ventricular ejection fraction (echo), % | 23 ± 7 |
| Left ventricular end-diastolic diameter (echo), mm | 72 ± 16 |
| NYHA functional class | |
| II | 19 (82.6%) |
| III | 4 (17.3%) |
| Current medications | |
| Digoxin | 18 (78.2%) |
| Diuretics | 21 (91.3%) |
| ACE inhibitor | 19 (82.6%) |
| AT1 Blocker | 2 (8.6%) |
| Spironolactone | 13 (56.5%) |
| β-blocker | 14 (60.8%) |
| Amiodarone | 4 (17.3%) |
| Nitrate | 2 (8.6%) |