Table 2.
Intraoperative data
| Variable | u-ACP (n = 124) | b-ACP (n = 197) | p |
|---|---|---|---|
| CPB duration (min, ± s) | 260.07 ± 76.79 | 235.79 ± 46.60 | 0.016 |
| Aortic cross-clamping duration (min, ± s) | 154.53 ± 36.50 | 154.94 ± 33.75 | 0.946 |
| Circulatory arrest time (min, ± s) | 26.60 ± 6.78 | 25.62 ± 6.31 | 0.384 |
| Nasopharyngeal temperature (℃, ± s) | 24.92 ± 0.28 | 27.09 ± 1.22 | 0.000 |
| Concomitant procedures (n, %) | |||
| Bentall | 25 (20.2%) | 47 (23.9%) | 0.703 |
| CABG | 9 (7.3%) | 18 (9.1%) | |
| Bentall + CABG | 7 (5.6%) | 13 (6.6%) | |
| Surgery time (n, %) | |||
| Hyper-acute (< 24 h) | 24 (19.4%) | 35 (17.8%) | 0.914 |
| Acute (24-72 h) | 82 (66.1%) | 131 (66.5%) | |
| Subacute (> 72 h) | 18 (14.5%) | 31 (15.7%) | |
p < 0.05 is considered as statistically significant
u-ACP unilateral antegrade cerebral perfusion, b-ACP bilateral antegrade cerebral perfusion, CPB cardiopulmonary bypass, CABG coronary artery bypass grafting