| Male/Female (n) | 12/8 |
| Age (yr) | 80 ± 4 |
| Weight (kg) | 74 ± 17 |
| Height (cm) | 166 ± 10 |
| ASA classification | 4 ± 0.5 |
| NYHA functional class | 4 ± 0.5 |
| EuroSCORE | 18 ± 10 |
| LV ejection fraction % | 50 ± 15 |
| AVA (cm2) | 0.5 ± 0.2 |
| AV peak gradient (mmHg) | 85 ± 19 |
| Atrial fibrillation (n) | 11 (55%) |
| Diabetes mellitus (n) | 4 (20%) |
| LV ejection fraction < 40% | 3 (15%) |
| Cerebrovascular disease (n) | 5 (25%) |
| History of stroke (n) | 4 (20%) |
| Coronary artery disease (n) | 8 (40%) |
| Previous MI (n) | 2 (10%) |
| Previous CABG (n) | 8 (40%) |
| Cardiac insufficiency (n) | 5 (25%) |
| Renal insufficiency (n) | 6 (30%) |
| COPD (n) | 8 (40%) |
| Asthma (n) | 7 (35%) |