| BP | blood pressure |
| BW | body weight |
| C | cyanotic cardiac heart disease |
| CHD | cardiac heart disease |
| CPB | cardiopulmonary bypass |
| crSO2 | cerebral regional oxygen saturation |
| EB | base excess |
| GABA | Ɣ amino-aminobutyric acid |
| HB | hemoglobin concentration |
| HCO3 | bicarbonate |
| HI | hypoxia-ischemia injury |
| Ht | hematocrit rate percentage |
| LA | left atrium |
| RA | right atrium |
| MUF | modified ultrafiltration |
| N | non-cyanotic cardiac heart disease |
| 0 | before the surgical procedure |
| 1 | during the surgical procedure after sternotomy before CPB |
| 2 | at the end of CPB |
| 3 | at the end of the surgical procedure |
| 4 | 24-h after the surgical procedure |
| NIRS | near-infrared spectroscopy |
| PaCO2 | carbon dioxide partial pressures |
| PaO2 | oxygen partial pressures |
| RA | right atrium |
| SaO2 | oxygen saturation |