Table 2.
Peri- and postoperative data
| All patients | Acute Group 1 | Chronic Group 2 | p value | |
|---|---|---|---|---|
| CPB (min) | 220.7 ± 68.3 | 252.2 ± 73.5 | 189.2 ± 47.8 | < 0.001 |
| Cardioplegia (ml) | 1750.7 ± 620.0 | 1994.1 ± 417.1 | 1507.4 ± 696.1 | 0.001 |
| Cross clamp time (min) | 132.3 ± 38.8 | 148.3 ± 34.5 | 116.3 ± 34.5 | < 0.001 |
| Circulatory arrest (min) | 58.8 ± 35.1 | 62.4 ± 37.4 | 54.9 ± 37.4 | 0.385 |
| Reperfusion (min) | 65.1 ± 33.5 | 75.4 ± 40.0 | 55.1 ± 21.6 | 0.012 |
| Hypothermia (°C) | 23.8 ± 3.2 | 23.3 ± 3.8 | 24.3 ± 2.4 | 0.189 |
| Operation time (min) | 375.4 ± 108.6 | 402.8 ± 117.3 | 347.9 ± 93.0 | 0.036 |
| Blood transfusion (ml) | 2116.9 ± 2045.3 | 2550.0 ± 2471.7 | 1683.8 ± 1413.3 | 0.082 |
| Plasma transfusion (ml) | 1288.5 ± 1492.2 | 1514.7 ± 1701.8 | 1062.4 ± 1232.5 | 0.214 |
| Jotec prosthesisa | 57 (83.8) | 31 (91.2) | 26 (76.5) | 0.100 |
| Thoraflex prosthesisb | 11 (16.2) | 3 (8.8) | 8 (23.5) | 0.100 |
| Prosthesis diameter | 26.0 ± 3.2 | 26.1 ± 2.4 | 25.9 ± 3.9 | 0.766 |
| Central aortic cannulation | 48 (70.6) | 18 (52.9) | 30 (88.2) | 0.001 |
| Right femoral cannulation | 10 (14.7) | 8 (23.5) | 2 (5.9) | 0.040 |
| Left femoral cannulation | 3 (4.4) | 2 (5.9) | 1 (2.9) | 0.555 |
| Right subclavian cannulation | 7 (10.3) | 6 (17.6) | 1 (2.9) | 0.046 |
| Ascending aorta replacement | 54 (79.4) | 31 (91.2) | 23 (67.6) | 0.016 |
| Valve reconstruction after David | 3 (4.4) | 2 (5.9) | 1 (2.9) | 0.555 |
| Aortic valve resuspension | 4 (5.9) | 4 (11.8) | 0 | 0.039 |
| Mechanical AVR | 5 (7.4) | 5 (14.7) | 0 | 0.020 |
| Biological AVR | 3 (4.4) | 2 (5.9) | 1 (2.9) | 0.555 |
| CABG | 9 (13.2) | 2 (5.9) | 7 (20.6) | 0.074 |
| ICU (d) | 9.0 ± 9.3 | 8.7 ± 9.3 | 9.2 ± 9.4 | 0.826 |
| IMC (d) | 3.7 ± 4.4 | 3.1 ± 4.0 | 4.4 ± 4.7 | 0.246 |
| Intubation (h) | 121.4 ± 166.0 | 94.9 ± 117.9 | 147.8 ± 201.6 | 0.191 |
| Hospital stay (d) | 24.2 ± 26.0 | 18.8 ± 12.9 | 29.5 ± 33.8 | 0.092 |
| Bleeding | 17 (25) | 8 (23.5) | 9 (26.5) | 0.779 |
| Re-Thoracotomy for bleeding | 4 (5.9) | 1 (2.9) | 3 (8.8) | 0.303 |
| Spinal Cord injury | 5 (7.4) | 3 (8.8) | 2 (5.9) | 0.642 |
| Cerebrovascular injury | 7 (10.3) | 3 (8.8) | 4 (11.7) | 0.797 |
| Recurrens paresis | 9 (13.2) | 2 (5.9) | 7 (20.6) | 0.074 |
| Phrenicus paresis | 3 (4.4) | 0 | 3 (8.8) | 0.076 |
| ACRF | 39 (57.4) | 23 (67.6) | 16 (47.1) | 0.086 |
| Dialysis | 18 (26.5) | 10 (29.4) | 8 (23.5) | 0.582 |
| Re-intubation | 11 (16.2) | 3 (8.8) | 8 (23.5) | 0.100 |
ACRF acute on chronic renal failure, AVR aortic valve replacement, CABG coronary artery bypass grafting, CPB cardiopulmonary bypass, ICU intensive care unit, IMC intermediate care unit
a Jotec E-vita Open, b Vascutek Thoraflex hybrid