Table 1 Characteristics of the study patients between AKI and No-AKI
Variable | No-AKI (n = 54) | AKI (n = 61) | P-value |
|---|---|---|---|
Age | 46.8 ± 11.0 | 48.7 ± 10.4 | 0.342 |
Sex | 0.486 | ||
Male | 42 (77.8%) | 44 (72.1%) | |
Female | 12 (22.2%) | 17 (27.9%) | |
BMI (kg/m2) | 25.0 ± 3.8 | 27.2 ± 3.7 | 0.002 |
Diabetes mellitus | 1 (1.9%) | 6 (9.8%) | 0.074 |
Hypertension | 42 (77.8%) | 50 (82.0%) | 0.575 |
Previous cerebrovascular disease | 4 (7.4%) | 2 (3.3%) | 0.320 |
Coronary artery disease | 3 (5.6%) | 3 (4.9%) | 0.878 |
Smoking history | 22 (40.7%) | 34 (55.7%) | 0.108 |
Drinking history | 11 (20.4%) | 12 (19.7%) | 0.926 |
Time from onset to treatment(h) | 60 (24–138) | 24 (20–48) | 0.005 |
Renal artery dissection | 10 (18.5%) | 7 (11.5%) | 0.288 |
Hemopericardium | 9 (16.7%) | 10 (16.4%) | 0.969 |
Penn class | 0.665 | ||
Class Aa | 34 (63.0%) | 36 (59.0%) | |
Non class Aa | 20 (37.0%) | 25 (41.0%) | |
Kindey malperfusion | 3 (5.6%) | 4 (6.6%) | 0.823 |
AMI | 2 (3.7%) | 7 (11.5%) | 0.121 |
Preoperative shock | 9 (16.7%) | 10 (16.4%) | 0.969 |
Preoperative sCr (umol/L) | 82.0 ± 30.0 | 90.0 ± 27.9 | 0.141 |
BUN (mmol/L) | 7.1 ± 2.7 | 7.3 ± 2.4 | 0.724 |
Hemoglobin (g/L) | 137.2 ± 18.6 | 135.9 ± 16.3 | 0.689 |
Hematocrit (%) | 39.7 ± 5.0 | 39.1 ± 4.2 | 0.443 |
eGFR mL/(min·1.73 m2) | 94.2 ± 21.2 | 83.5 ± 22.8 | 0.011 |
CPB time (min) | 199.1 ± 45.6 | 222.0 ± 62.0 | 0.027 |
Aortic cross clamp time (min) | 120.2 ± 49.0 | 127.0 ± 36.1 | 0.400 |
Circulatory arrest time (min) | 27.4 ± 9.6 | 27.5 ± 7.6 | 0.914 |
Operation time (h) | 23.1 ± 1.6 | 22.7 ± 1.5 | 0.142 |
Nasopharyngeal temperature at circulatory arrest (°C) | 25.5 ± 2.3 | 25.1 ± 2.0 | 0.358 |
Rectal temperature at circulatory arrest (°C) | 27.9 ± 1.6 | 28.8 ± 2.0 | 0.007 |
Intraoperative amount of PRBCs (mL) | 300.0 (0.0–600.0) | 600.0 (0.0–600.0) | 0.043 |
Intraoperative blood loss (mL) | 1300.0 (1000.0–1575.0) | 1500.0 (1200.0–2000.0) | 0.024 |
Intraoperative amount of plasma (mL) | 400.0 (0.0–550.0) | 400.0 (0.0–800.0) | 0.102 |
Combined with CABG | 3 (5.6%) | 5 (8.2%) | 0.578 |
Combined with aortic bypass surgery | 0 (0.0%) | 1 (1.6%) | 0.345 |
Bentall+TAR+FET | 22 (40.7%) | 25 (41.0%) | 0.979 |
Respiratory failure | 2 (3.70%) | 18 (29.51%) | < 0.001 |
Length of ICU | 1.9 (1.0–3.0) | 4.0 (2.0–9.0) | < 0.001 |
Length of in hospital | 1 (1.9%) | 8 (13.1%) | 0.025 |
Reoperation for bleeding | 1 (1.9%) | 8 (13.1%) | 0.025 |
In-hospital mortality | 1 (1.9%) | 8 (13.1%) | 0.025 |