Surgical data for patients randomly assigned to the control and preoperative autologous blood donation groups
| Period; data | Group; mean (SD) | p value | |
|---|---|---|---|
| Control (n = 23) | PAD (n = 25) | ||
| Perioperative | |||
| Coronary bypass using internal thoracic artery, no. | 1.4 (1.3) | 1.3 (1.8) | 0.83 |
| Coronary artery bypass using saphenous venous, no. | 1.3 (0.8) | 1.8 (1.1) | 0.008 |
| Duration of surgery, min | 177.6 (62.3) | 174.7 (44.9) | 0.85 |
| Duration of CPB, min | 75.5 (42.3) | 70.1 (22.7) | 0.58 |
| Duration of aortic cross clamping, min | 52.8 (36) | 48.6 (19.2) | 0.61 |
| Minimum CPB temperature | 33.6 (0.7) | 33.8 (0.7) | 0.33 |
| Perioperative blood loss, mL | 450 (281) | 416 (190) | 0.62 |
| Postoperative | |||
| Duration of mechanical ventilation, h | 11.6 (5.5) | 11.5 (5.5) | 0.95 |
| Postoperative blood loss, mL | 909.5 (576) | 936 (583) | 0.88 |
| Length of stay in ICU, d | 1.5 (0.6) | 1.5 (0.6) | 1.00 |
| Length of stay in hospital, d | 5.4 (0.9) | 5.4 (0.9) | 1.00 |
CPB = cardiopulmonary bypass; ICU = intensive care unit; PAD = preoperative autologous blood donation; SD = standard deviation.