Table 2.
Operative data
| Variable | All Patients (n = 368) | Male (n = 242) | Female (n = 126) | p- value |
|---|---|---|---|---|
| Length of surgery (min) | 280 (227;345) | 287 (235;356) | 254 (214;317) | 0.001 |
| Cardiopulmonary bypass time (min) | 166 (135;212) | 171 (139;220) | 149 (124;196) | 0.001 |
| Cross-clamp time (min) | 89 (70;127) | 94 (72; 135) | 85 (64;114) | 0.018 |
| Circulatory arrest (min) | 33 (26;46) | 35 (26;51) | 30 (25;40) | 0.009 |
| Number of packed red blood cells (unit) * | 4 (0–20) | 2 (0–20) | 4 (0–20) | < 0.001 |
| Number of fresh frozen plasma (unit)* | 0 (0–21) | 0 (0–21) | 2 (0–17) | 0.500 |
| Number of platelets (unit)* | 2 (0–5) | 2 (0–5) | 2 (0–5) | 0.168 |
| Surgical procedure | ||||
| Isolated supracoronary replacement | 186 (50.5%) | 108 (44.6%) | 78 (61.9%) | 0.002 |
| Partial arch replacement | 78 (21.2%) | 55 (22.7%) | 23 (18.3%) | 0.319 |
| Total arch replacement | 48 (13.0%) | 37 (15.3%) | 11 (8.7%) | 0.076 |
| - Elephant-trunk | 7 (1.9%) | 7 (2.9%) | 0 (0.0%) | 0.101 |
| Conduit / Bentall operation | 63 (17.1%) | 44 (18.2%) | 19 (15.1%) | 0.453 |
| David operation | 22 (6.0%) | 20 (8.3%) | 2 (1.6%) | 0.010 |
| Additional AVR | 57 (15.5%) | 42 (17.4%) | 15 (11.9%) | 0.165 |
| Additional CABG | 35 (9.6%) | 19 (8.0%) | 16 (12.7%) | 0.147 |
| Diameter of ascending aorta prostheses (mm) | 28 (28;30) | 28 (28;30) | 28 (26;30) | 0.677 |
| Additional MVR | 1 (0.3%) | 1 (0.4%) | 0 (0.0%) | 1.000 |
| TEVAR/EVAR | 23 (6.3%) | 19 (7.9%) | 4 (3.2%) | 0.077 |
| Arterial cannulation | ||||
| Femoral artery | 78 (21.2%) | 46 (19.0%) | 32 (25.4%) | 0.155 |
| Ascending aorta | 102 (27.7%) | 67 (27.7%) | 35 (27.8%) | 0.985 |
| Aortic arch | 14 (3.8%) | 9 (3.7%) | 5 (4.0%) | 1.000 |
| Subclavian artery | 1 (0.3%) | 1 (0.4%) | 0 (0.0%) | 1.000 |
| Apex | 5 (1.4%) | 4 (1.7%) | 1 (0.8%) | 0.664 |
| Pulmonary vein | 168 (45.7%) | 115 (47.5%) | 53 (42.1%) | 0.319 |
| Venous cannulation** | ||||
| Right atrium | 330 (59.9%) | 212 (95.1%) | 118 (97.5%) | 0.394 |
| Bicaval | 4 (1.2%) | 4 (1.8%) | 0 (0.0%) | 0.302 |
| Femoral vein | 10 (2.9%) | 7 (3.1%) | 3 (2.5%) | 1.000 |
| Hemofiltration *** | 83 (26.8%) | 47 (23.0%) | 36 (34.0%) | 0.039 |
AVR Aortic valve replacement, MVR Mitral valve reconstruction / replacement, CABG Coronary artery bypass graft, TEVAR Thoracic endovascular aortic repair, EVAR Endovascular aortic repair; * 9–10% missing values, **6.5% missing values ***16% missing values; bold text, p-values ≤0.05; italic text, subheadings