Table 1: Patient characteristics and data from the perioperative period. Values are expressed as n or mean ± standard deviation, unless otherwise indicated.
| Age (years) | 65 ± 9 | |
| Sex (n female/ n male) | 14 / 28 | |
| Height (cm) | 172 ± 7 | |
| Weight (kg) | 77 ± 13 | |
| Preoperative medication (n) | β-blocker | 34 |
| Ca2+ antagonists | 34 | |
| Nitrates | 30 | |
| Glycosides | 5 | |
| ACE inhibitors | 23 | |
| AT1 antagonists | 9 | |
| Diuretics | 14 | |
| Procedures (n) | CABG | 30 |
| AVR | 7 | |
| MVR | 2 | |
| other | 3 | |
| Duration of surgery (min) | 177 ± 45 | |
| Duration of CPB (min) | 86 ± 31 | |
| Blood loss (ml) | 2 hrs. postop. | 142 ± 76 (range 20-360) |
| 8 hrs. postop. | 318 ± 154 (range 120-705) | |
| Transfusions intraoperative | patients (n) | 12 |
| PRBC (units) | 2.0 ± 0.4 | |
| Transfusions 2 hrs. postoperative | patients (n) | 15 |
| PRBC (units) | 1.7 ± 0.6 | |
| no transfusion at all | 17 |
CABG: Coronary artery bypass grafting; AVR: Aortic valve replacement; MVR: Mitral valve replacement; CPB: Cardiopulmonary bypass; PRBC: Packed red blood cells.