Table 2:
Intraoperative data
| Variables | Survivors (n = 73) | Non-survivors (n = 100) | P-value |
|---|---|---|---|
| Type of surgery | |||
| CABG | 17 (23.3) | 16 (16.0) | 0.228 |
| OPCAB | 4 (5.5) | 5 (5.0) | 0.888 |
| CABG + valve surgery | 10 (13.7) | 16 (16.0) | 0.676 |
| Isolated AVR | 6 (8.2) | 5 (5.0) | 0.530 |
| AVR + AAR | 7 (9.6) | 8 (8.0) | 0.714 |
| Bentall | 7 (9.6) | 18 (18.0) | 0.120 |
| Aortic arch surgery | 3 (4.1) | 8 (8.0) | 0.360 |
| MVR ± TVR | 16 (21.9) | 19 (19.0) | 0.637 |
| AVR + MVR/TVR | 3 (4.1) | 5 (5.0) | 1.000 |
| Intraoperative variables | |||
| Length of surgery (min) | 255 (180–384) | 342 (194–423) | 0.092 |
| Bypass time (min) | 150 (101–220) | 191 (112–264) | 0.019 |
| Cross-clamp time (min) | 81 (58–110) | 93 (65–139) | 0.114 |
| Antegrade CP | 52 (71.2) | 80 (80.0) | 0.576 |
| Antegrade + retrograde CP | 15 (20.5) | 15 (15.0) | 0.287 |
| Surgery without CP | 6 (8.2) | 5 (5.0) | 0.530 |
| Blood CP | 13 (17.8) | 25 (25.0) | 0.438 |
| Crystalloid CP | 54 (73.9) | 70 (70.0) | |
| Cardioplegia volume (ml) | 1800 (1050–2550) | 1800 (1500–2775) | 0.725 |
| Minimal temperature (°C) | 34 (32–34) | 34 (32–34) | 0.207 |
Values are represented as number (percentage) or median (interquartile range). P values < 0.05 in bold are statistically significant.
AAR: ascending aortic replacement; AVR: aortic valve replacement; CABG: coronary artery bypass grafting; CP: cardioplegia; MVR: mitral valve replacement; OPCAB: off-pump coronary artery bypass; TVR: tricuspid valve replacement.