Table 1.
Postoperative laboratory findings and oxygen therapy.
| Parameter | 1 h | Day 1 | Day 2 | Day 3 | Day 4 |
|---|---|---|---|---|---|
| Arterial pH | 7.34 | 7.34 | 7.36 | 7.41 | 7.47 |
| PaO2 (mmHg) | 51 | 79 | 79 | 83 | 194 |
| PaCO2 (mmHg) | 44 | 43 | 48 | 44 | 37 |
| SaO2 (%) | 83 | 95 | 95 | 96 | 100 |
| SB (mmol/L) | 22.8 | 22.8 | 25.7 | 27.9 | 27.5 |
| Lactate (mmol/L) | 3.2 | 3.4 | 2.6 | 3.7 | 2.1 |
| WBC (×109 per L) | – | 15.8 | 10.8 | 11.2 | – |
| Hemoglobin (g/L) | – | 149 | 130 | 140 | – |
| Platelets (×109 per L) | – | 291 | 214 | 237 | – |
| hs-TnT (ng/mL) | – | 0.005 | – | 0.007 | – |
| pro-BNP (pg/mL) | – | 84.16 | – | 667.8 | – |
| PCT (ng/mL) | – | 0.936 | – | 0.301 | – |
| Oxygen therapy | FM | NC | NC | NC | NC |
| Flow (L/min) | 10 | 5 | 3 | 3 | 3 |
Abbreviations: FM, Face mask; hs-TnT, High-sensitivity cardiac troponin T; NC, Nasal catheter; PaCO2, Partial pressure of carbon dioxide; PaO2, Arterial partial pressure of oxygen; PCT, Procalcitonin; pro-BNP, pro-brain natriuretic peptide; SaO2, Blood oxygen saturation; SB, Standard bicarbonate; WBC, White blood cell.