Table 2.
Dynamics of the parameters of the acid-base state and blood gas during CABG
| Parameters | Initial values | CPB beginning | CPB end | |||
|---|---|---|---|---|---|---|
| MLOP | ROP | MLOP | ROP | MLOP | ROP | |
| Hemoglobin, g/dL | 11.7 ± 12.22 | 12.3 ± 1.34 | 9.72 ± 1.02* | 10.26 ± 1.12* | 10.5 ± 1.14 | 11.1 ± 1.24 |
| Lactate, mmol/l | 1.19 ± 0.31 | 1.18 ± 0.35 | 1.25 ± 0.46 | 1.21 ± 0.40 | 1.35 ± 0.38 | 1.34 ± 0.50 |
| Glucose, mmol/l | 5.60 ± 1.07 | 5.76 ± 1.14 | 5.29 ± 1.1 | 5.35 ± 1.11* | 5.85 ± 1.1 | 5.46 ± 1.13 |
| pH | 7.36 ± 0.05 | 7.36 ± 0.04 | 7.35 ± 0.03 | 7.35 ± 0.04 | 7.36 ± 0.04 | 7.35 ± 0.04 |
| pvCO2, mm Hg | 36.50 (32.25; 44.75) | 42.50 (37.00; 45.75) | 40.00 (35.5; 42.75) | 38.50 (33.00; 44.00) | 40.50 (32.50; 44.00) | 38.50 (32.50; 42.75) |
| pvO2, mm Hg | 64.00 (54.25; 72.00) | 63.50 (49.50; 70.00) | 65.50 (46.50; 67.75) | 62.50 (43.25; 73.00) | 65.00 (47.25; 68.75) |
63.00 (48.25; 68.75) |
| ctO2, Vol % | 15.91 ± 1.64 | 16.76 ± 1.79 | 13.31 ± 14.38* | 14.00 ± 1.49 * | 14.38 ± 1.52 | 15.20 ± 1.66 |
| p50, mm Hg | 29.00 (26.25; 30.75) | 29.00 (26.00; 30.00) | 28.00 (26.00; 30.00) | 28.50 (26.00; 31.00) | 29.00 (26.00; 31.00) | 28.00 (27.00; 30.00) |
| cBase (Efc), mmol/L |
-2.70 (-4.57; 2.25) |
-2.60 (-3.98; 1.75) |
-2.50 (-4.07; -0.73) |
-2.95 (-4.27; 0.95) |
-3.20 (-4.43; 1.67) |
-3.10 (-4.25; 0.07) |
| c HSO 3 − (P, st), mmol/l | 22.23 ± 2.11 | 22.21 ± 1.65 | 22.03 ± 1.34 | 21.88 ± 1.49 | 21.99 ± 1.90 | 21.80 ± 1.37 |
Notes. * - p < 0.05—in comparison with initial values; pCO2—partial pressure of carbon dioxide in the blood; pO2—partial pressure of oxygen in the blood; ctO2—oxygen capacity of blood; p50—partial pressure of oxygen at half saturation of hemoglobin with oxygen; cBase—lack of basics; cHCO3 −– concentration of hydrogen carbonate ions