No AKI | Stage 1 AKI | Stage 2 or 3 AKI | P value | |
---|---|---|---|---|
N | 48 | 31 | 51 | – |
Age (years), mean (SD) | 53.15 (11.61) | 57.13 (11.22) | 54.78 (12.39) | 0.35 |
Male, n (%) | 33 (68.75%) | 27 (87.10%) | 41 (80.39%) | 0.16 |
Hypertension, n (%) | 22 (45.83%) | 25 (80.65%) | 34 (66.67%) | 0.006 |
Diabetes mellitus, n (%) | 1 (2.08%) | 3 (9.68%) | 4 (7.84%) | 0.37 |
COPD, n (%) | 2 (4.17%) | 1 (3.23%) | 3 (5.88%) | 1.00 |
Stroke, n (%) | 3 (6.25%) | 2 (6.45%) | 3 (5.88%) | 1.00 |
Coronary artery disease, n (%) | 1 (2.08%) | 4 (12.90%) | 2 (3.92%) | 0.12 |
SBP (mmHg), mean (SD) | 131.90 (22.70) | 125.39 (27.54) | 140.27 (32.43) | 0.06 |
DBP (mmHg), mean (SD) | 71.02 (16.53) | 66.71 (21.57) | 78.49 (19.15) | 0.018 |
eGFR [ml/(min.1.73m2)], mean (SD) | 100.57 (30.65) | 71.53 (22.21) | 94.84 (51.22) | 0.007 |
Preoperative hemoglobin (g/l), mean (SD) | 125.87 (18.39) | 120.77 (22.74) | 124.53 (22.44) | 0.61 |
Emergency operation, n (%) | 21 (43.75%) | 25 (80.65%) | 42 (82.35%) | < 0.001 |
CPB time (min), median (IQR) | 176 (120–221) | 173 (132–212) | 210 (185–244) | 0.001 |
Aortic cross clamp time (min), median (IQR) | 96 (76–118) | 96 (74–107) | 120 (95–127) | 0.004 |
Circulatory arrest time (min), median (IQR) | 12 (0–20) | 15 (0–24) | 18 (8–24) | 0.26 |
Nasopharyngeal temperature (°C), mean (SD) | 20.9 (2.1) | 20.8 (2.1) | 20.4 (2.5) | > 0.05 |
Total arch replacement, n (%) | 20 (41.67%) | 18 (58.06%) | 38 (74.51%) | 0.004 |
Semi-arch replacement, n (%) | 2 (4.17%) | 1 (3.23%) | 0 (0.00%) | 0.35 |
Stented elephant trunk, n (%) | 19 (39.58%) | 17 (54.84%) | 36 (70.59%) | 0.008 |
Bentall procedure, n (%) | 27 (56.25%) | 14 (45.16%) | 14 (27.45%) | 0.014 |
Ascending aorta replacement, n (%) | 21 (43.75%) | 17 (54.84%) | 35 (68.63%) | 0.044 |
Intraoperative erythrocytes use (ml), median (IQR) | 1750 (1050–3375) | 2200 (1400–2775) | 2950 (1950–4350) | 0.007 |
Intraoperative fresh frozen plasma use (ml), median (IQR) | 850 (550–1200) | 1000 (575–1550) | 1000 (550–1925) | 0.55 |
Intraoperative platelets use (ml), median (IQR) | 600 (300–1200) | 1200 (900–1200) | 1200 (750–1200) | 0.006 |
Intraoperative cryoprecipitate use (ml), median (IQR) | 350 (0–500) | 475 (250–525) | 500 (250–560) | 0.11 |
Intraoperative blood transfusion(ml), median (IQR) | 2825 (1988–5538) | 4400 (2750–5800) | 4850 (3650–6875) | 0.007 |
ARDS, n (%) | 8 (16.67%) | 13 (41.94%) | 31 (60.78%) | < 0.001 |
Perioperative myocardial infarction, n (%) | 0 (0.00%) | 0 (0.00%) | 2 (3.92%) | 0.342 |
Redo surgery, n (%) | 2 (4.17%) | 3 (9.68%) | 13 (25.49%) | 0.007 |
Length of ICU (day), median (IQR) | 4.00 (2.75–5.25) | 6.00 (3.50–6.50) | 9.00 (3.00–14.50) | 0.001 |
Length of mechanical ventilation (day), median (IQR) | 2.00 (1.00–3.00) | 2.00 (1.00–4.00) | 5.00 (2.00–7.50) | < 0.001 |
In-hospital mortality, n (%) | 2 (4.17%) | 5 (16.13%) | 14 (27.45%) | 0.005 |