Table 3 Comparison of the intraoperative clinical data between the two groups
Intraoperative data | Low-priming volume group (group A, n = 79) | Traditional group (group B, n = 79) | p value |
|---|---|---|---|
CPB time/min | 72.41 ± 23.10 | 73.22 ± 28.25 | 0.844 |
aortic cross-clamping time/min | 34.54 ± 22.09 | 35.01 ± 21.89 | 0.894 |
priming volume of CPB/ml | 170.63 ± 14.70 | 274.55 ± 48.96 | 0.000** |
PRBCs used in the priming of CPB/ml | 34.23 ± 23.93 | 108.04 ± 57.17 | 0.000** |
CPB with booldless priming/case(%) | 26 (32.9%) | 12 (15.2%) | 0.009** |
CPB with no transfusion/case(%) | 11 (13.9%) | 7 (8.9%) | 0.483 |
total amount of PRBCs transfused during CPB/ml | 189.11 ± 101.47 | 244.30 ± 96.41 | 0.001** |
PRBCs transfused by the anaesthetists/ml | 11.54 ± 37.73 | 1.90 ± 16.87 | 0.042* |
PRBCs transfused during the whole operation/ml | 200.51 ± 101.74 | 246.20 ± 96.00 | 0.004** |
Hb during CPB/(g/dL) | 8.95 ± 1.15 | 9.93 ± 1.92 | 0.000** |
Hb before CPB weaning/(g/dL) | 11.51 ± 1.33 | 12.25 ± 1.78 | 0.003** |