Table 3 Intraoperative indices related to CPB between control and modified groups
Parameters | Control group (n = 250) | Modified group (n = 212) | P value |
|---|---|---|---|
Cardiac surgery time (min) | 218.45 ± 5.45 | 216.37 ± 5.98 | 0.145 |
CPB operation time (min) | 112 (89, 135) | 120 (95, 140) | 0.052 |
Cross-clamp time (min) | 76 (56, 102) | 83 (63, 107) | 0.114 |
Net volume of infused cardioplegia (mL) | 500 (450, 650) | 800 (500, 1100) | < 0.05 |
Rate of defibrillation, n (%) | 103 (41.2) | 64 (30.2) | < 0.05 |
Pre-CPB Lac (mmol/L) | 0.7 (0.5, 1.3) | 0.8 (0.5, 1.4) | 0.361 |
Intraoperative 1-h Lac (mmol/L) | 1.7 (1.4, 2.1) | 1.6 (1.2, 2.1) | 0.257 |
Post-CPB Lac (mmol/L) | 2.4 (1.5, 2.8) | 2.2 (1.4, 2.6) | 0.157 |
Pre-CPB Hct (%) | 41 (36, 52) | 40 (35, 50) | 0.073 |
Intraoperative 1-h Hct (%) | 24 (21, 27) | 26 (24, 30) | < 0.05 |
Post-CPB Hct (%) | 30 (26, 35) | 33 (29, 35) | < 0.05 |