Table 1 Demographics of patients according to the study groups
Variable | Non-AKI (n = 97) | AKI without HB (n = 119) | HB-AKI (n = 68) | P |
|---|---|---|---|---|
Age (y) | 52.32 ± 11.36 | 52.77 ± 10.63 | 55.19 ± 11.35 | 0.225 |
BMI (kg/m2) | 24.8 (22.9–27.0) | 26.5 (29.1–24.1) | 25.5 (23.7–28.4) | 0.041 |
Male/Female | 71/26 | 88/31 | 42/26 | 0.177 |
Hypertension (N, %) | 55 (56.7%) | 86 (72.3%) | 45 (66.2%) | 0.055 |
Diabetes (N, %) | 6 (6.2%) | 7 (5.9%) | 9 (13.2%) | 0.163 |
CHD (N, %) | 10 (10.3%) | 10 (8.4%) | 6 (8.8%) | 0.869 |
Smoking history (N, %) | 46 (47.4%) | 56 (47.1%) | 23 (33.8%) | 0.154 |
LVEF (%) | 60.0 (60.0–61.0) | 60.0 (60.0–61.0) | 60.0 (60.0–62.0) | 0.304 |
Previous heart surgery (N, %) | 7 (7.2%) | 8 (6.7%) | 5 (7.4%) | 1.000 |
Urgent surgery (N, %) | 72 (74.2%) | 97 (81.5%) | 52 (76.5%) | 0.449 |
Renal arteries arising from the false lumen (N, %) | 43 (47.3%) | 52 (43.7%) | 20 (29.4%) | 0.104 |
Main surgical procedure | ||||
Total arch replacement (N, %) | 72 (74.2%) | 96 (80.7%) | 46 (67.6%) | 0.140 |
Total arch replacement and FET (N, %) | 18 (18.6%) | 15 (12.6%) | 14 (20.6%) | 0.295 |
Hemiarch replacement (N, %) | 7 (7.2%) | 8 (6.7%) | 8 (11.8%) | 0.487 |
Concomitant procedures | ||||
Bentall (N, %) | 58 (59.8%) | 58 (48.7%) | 43 (63.2%) | 0.101 |
Ascending aorta replacement (N, %) | 39 (40.2%) | 62 (52.1%) | 30 (44.1%) | 0.204 |
CABG (N, %) | 7 (7.2%) | 13 (10.9%) | 6 (8.8%) | 0.677 |
Valve surgery (N, %) | 8 (8.2%) | 3 (2.5%) | 4 (5.9%) | 0.154 |
Basic laboratory characteristics | ||||
AST (IU/L) | 22.0 (17.3–37.0) | 26.0 (19.0–51.9) | 25.0 (16.0–40.0) | 0.216 |
ALT (IU/L) | 25.0 (16.0–36.0) | 30.2 (20.0–49.3) | 27.0 (19.3–39.0) | 0.219 |
Total bilirubin (μmol/L) | 21.8 (17.1–31.2) | 18.6 (14.3–25.3) | 24.2 (18.5–37.3) | < 0.001 |
Direct bilirubin (μmol/L) | 7.7 (5.3–10.7) | 5.8 (4.4–8.1) | 7.9 (5.9–10.2) | 0.151 |
Albumin (g/L) | 37.28 ± 4.69 | 38.36 ± 4.32 | 36.63 ± 4.98 | 0.040 |
sCr (μmol/L) | 80.7 (68.6–104.0) | 77.4 (62.0–98.0) | 74.8 (58.7–103.2) | 0.477 |
BUN (μmol/L) | 7.0 (5.4–8.5) | 7.1 (5.4–8.7) | 6.6 (5.0–9.3) | 0.985 |