Table 1.
Patients characteristics
| Age | 81 ± 6 |
| Gender, male, n (%) | 57 (85) |
| NYHA class, n (%) | |
| 0–I | 17 (25) |
| II | 18 (27) |
| III | 20 (30) |
| IV | 12 (18) |
| Echocardiography | |
| Septal thickness, mm | 17 ± 4 |
| LVEF, % | 47 ± 14 |
| Perugini classification, n (%) | |
| Grade 1 | 3 (5) |
| Grade 2 | 28 (42) |
| Grade 3 | 36 (53) |
| Heart-to-background ratio | |
| Whole-body | 2.05 ± 0.64 |
| SPECT anterior projection | 1.97 ± 0.61 |
| SPECT LAO projection | 2.06 ± 0.64 |
| SPECT 3D | 4.06 ± 1.77 |
| CZT SPECT | |
| LV EDV, ml | 148 ± 55 |
| LV ESV, ml | 93 ± 50 |
| LV EF, % | 41 ± 15 |
| Right ventricular uptake, n (%) | 20 (30) |