Table 1.
Data from blood gas analysis throughout the study
| Variables | Groups | Time after attachment (hours) | |||
|---|---|---|---|---|---|
| 0 | 1 | 4 | 8 | ||
| pH | LD | 7.38 ± 0.04 | 7.31 ± 0.03 | 7.32 ± 0.04 | 7.32 ± 0.06 |
| HD | 7.40 ± 0.07 | 7.38 ± 0.10 | 7.33 ± 0.07 | 7.27 ± 0.06 | |
| PaO2 (mmHg) | LD | 369 ± 12 | 324 ± 40 | 333 ± 10 | 351 ± 13 |
| HD | 341 ± 13 | 317 ± 7 | 350 ± 23 | 370 ± 8 | |
| PaCO2 (mmHg) | LD | 36.3 ± 4.6 | 33.5 ± 1.3 | 39.6 ± 0.8 | 50.1 ± 7.3 |
| HD | 33.2 ± 11.7 | 37.2 ± 5.3 | 40.4 ± 10.0 | 37 ± 3.5 | |
| HCO3− (mmol/L) | LD | 20.8 ± 1.0 | 16.3 ± 1.2 | 19.9 ± 1.4 | 24.5 ± 0.4 |
| HD | 18.4 ± 3.2 | 21.2 ± 1.9 | 19.5 ± 1.1 | 20.8 ± 1.0 | |
| Lactate (mg/dl) | LD | 7 ± 1 | 9 ± 2 | 10 ± 3 | 31 ± 22 |
| HD | 7 ± 2 | 10 ± 1 | 14 ± 1 | 17 ± 1 | |
Data are expressed as mean ± standard error
LD low-dose heparin, HD high-dose heparin