Table 2 Intraoperative course
Total | Young group | Elderly group | p value | |
|---|---|---|---|---|
Surgical procedure | ||||
Interposition graft alone, n | 508 (56.1%) | 380 (51.1%) | 128 (63.1%) | 0.024 |
Interposition graft with partial arch replacement, n | 203 (22.4%) | 159 (22.6%) | 44 (21.7%) | 0.769 |
Interposition graft with total arch replacement, n | 29 (3.2%) | 21 (3.0%) | 8 (3.9%) | 0.501 |
Interposition graft with separated aortic valve replacement, n | 462 (51.0%) | 356 (50.7%) | 106 (52.2%) | 0.706 |
Composite graft replacement of aortic root with reimplantation of coronary arteries, n | 149 (16.5%) | 124 (17.7%) | 25 (12.3%) | 0.070 |
Valve sparing aortic root replacement, n | 63 (7.0%) | 56 (8.0%) | 7 (3.4%) | 0.026 |
Performed CABG, n | 222 (24.6%) | 164 (23.4%) | 58 (28.6%) | 0.131 |
Length of surgery, min | 250 (203, 308) | 252 (205, 313) | 240 (200, 294) | 0.187 |
Cardiopulmonary bypass time, min | 142 (113, 187) | 144 (113, 189) | 139 (110, 183) | 0.225 |
Cross-clamp time, min | 92 (65, 125) | 92 (65, 127) | 91 (63, 116) | 0.348 |
Circulatory arrest, min | 14 (12, 18) | 14 (12, 17) | 15 (12, 18) | 0.419 |
Temperature, °C | 24 ± 2 | 24 ± 2 | 24 ± 2 | 1.0 |
Number of packed red blood cells, units | 2 (0, 4) | 2 (0, 4) | 2 (1, 4) | 0.002 |
Number of platelets concentrate, units | 1 (0, 1) | 1 (0, 2) | 1 (0, 1) | 0.753 |
Arterial cannulation, n | ||||
Ascending aorta | 680 (80.2%) | 520 (78.7%) | 160 (85.6%) | |
Aortic arch | 107 (12.6%) | 93 (14.1%) | 14 (7.5%) | |
Transatrial through the left ventricle | 48 (5.7%) | 36 (5.4%) | 12 (6.4%) | |
Femoral artery | 10 (1.2%) | 9 (1.4%) | 1 (0.5%) | |