|
Preoperative variables
|
|
Age (year, \(\overline{x}\) ± s)
|
56.70 ± 9.91
|
53.83 ± 9.75
|
0.422
|
|
Male (n, %)
|
73 (73.7%)
|
155 (69.8%)
|
0.475
|
|
Education level (year, \(\overline{x}\) ± s)
|
10.61 ± 5.30
|
11.23 ± 4.85
|
0.651
|
|
Tobacco use (n, %)
|
52 (52.5%)
|
108 (48.6%)
|
0.521
|
|
Alcohol use (n, %)
|
20 (20.2%)
|
37 (16.7%)
|
0.444
|
|
Barrier of hearing or language (n, %)
|
3 (3.0%)
|
7 (3.2%)
|
1.000
|
|
Hypertension (n, %)
|
87 (87.9%)
|
168 (75.7%)
|
0.012
|
|
Diabetes mellitus (n, %)
|
23 (23.2%)
|
36 (16.2%)
|
0.134
|
|
COPD (n, %)
|
4 (4.0%)
|
6 (2.7%)
|
0.505
|
|
Cerebrovascular disease history (n, %)
|
26 (26.3%)
|
34 (15.3%)
|
0.020
|
|
Peripheral arterial disease (n, %)
|
7 (7.1%)
|
11 (5.0%)
|
0.447
|
|
Renal dysfunction (n, %)
|
9 (9.1%)
|
8 (3.6%)
|
0.043
|
|
LVEF < 0.4 (n, %)
|
5 (5.1%)
|
9 (4.1%)
|
0.684
|
|
Preoperative neurological dysfunction (n, %)
|
10 (9.9%)
|
6 (2.7%)
|
0.005
|
|
Preoperative intubation (n, %)
|
9 (8.9%)
|
7 (3.2%)
|
0.024
|
|
Preoperative cardiac arrhythmia (n, %)
|
8 (7.9%)
|
11 (5%)
|
0.273
|
|
Intraoperative variables
|
|
Concomitant procedures (n, %)
|
|
Bentall
|
29 (28.7%)
|
43 (19.5%)
|
0.358
|
|
CABG
|
15 (14.9%)
|
12 (5.5%)
| |
|
Bentall + CABG
|
10 (9.9%)
|
10 (4.5%)
| |
|
CPB duration (min, \(\overline{x}\) ± s)
|
259.93 ± 69.94
|
234.48 ± 49.24
|
0.009
|
|
Aortic cross-clamping duration (min, \(\overline{x}\) ± s)
|
157.96 ± 37.17
|
153.25 ± 33.11
|
0.418
|
|
Circulatory arrest time (min, \(\overline{x}\) ± s)
|
27.06 ± 6.05
|
25.33 ± 6.59
|
0.112
|
|
Type of cerebral perfusion (u-ACP, %)
|
50 (49.5%)
|
74 (33.6%)
|
0.007
|
|
Nasopharyngeal temperature (℃, \(\overline{x}\) ± s)
|
26.11 ± 1.49
|
26.60 ± 1.38
|
0.039
|
|
Blood transfusion > 1 L (n, %)
|
25 (24.8%)
|
34 (15.5%)
|
0.046
|
|
Postoperative variables
|
|
Postoperative drainage volume within 24 h (> 1 L) (n, %)
|
15 (14.9%)
|
16 (7.3%)
|
0.033
|
|
AKI (n, %)
|
16 (15.8%)
|
25 (11.4%)
|
0.264
|
|
Hemoglobin (g/L, \(\overline{x}\) ± s)
|
93.25 ± 10.39
|
100.50 ± 9.35
|
0.180
|
|
Cardiac arrhythmia (n, %)
|
21 (50.0%)
|
36 (19.7%)
|
0.335
|
