Table 3 Intraoperative variables
Variables | Group A(n = 33) | Group F(n = 29) | Total(n = 62) | P value |
|---|---|---|---|---|
Operation time(h) | 7.33 ± 1.14 | 8.93 ± 2.59 | 8.08 ± 2.10 | 0.002 |
CPB time(min) | 260.97 ± 45.14 | 298.28 ± 95.89 | 278.42 ± 75.11 | 0.024 |
Cross time(min) | 170.67 ± 41.72 | 193.55 ± 57.97 | 181.37 ± 50.87 | 0.089 |
The lowest temperature during CPB(°C) | ||||
Nasopharyngeal temperature | 25.49 ± 2.07 | 26.05 ± 2.78 | 25.75 ± 2.42 | 0.259 |
Anal temperature | 27.14 ± 1.73 | 27.36 ± 2.64 | 27.24 ± 2.18 | 0.114 |
MHCA time(min) | 40.97 ± 7.98 | 37.00 ± 9.39 | 39.28 ± 8.75 | 0.287 |
Absence of circulatory arrest | 2(6.06%) | 6(20.69%) | 8(12.90%) | 0.131 |
Hct after CPB (%) | 27.92 ± 4.14 | 26.62 ± 4.95 | 27.31 ± 4.55 | 0.463 |
Maximum internal time of twice myocardial perfusion during CPB(min) | 71.70 ± 14.80 | 69.71 ± 24.69 | 70.77 ± 19.90 | 0.001 |
Minimun hemoglobin concentration during operation(g/L) | 77.23 ± 15.48 | 74.35 ± 10.18 | 75.88 ± 13.24 | 0.849 |
Maximum serum lactic acid concentration during operation(mol/L) | 9.06 ± 4.70 | 10.34 ± 6.27 | 9.66 ± 5.48 | 0.192 |