|
Gas exchange during acute lung injury in sheep |
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| Parameter |
Group |
Time point (hours) |
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|
|
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| 0 |
2 |
4 |
6 |
||
|
|
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| pHa |
Sham |
7.52 ± 0.03 |
7.53 ± 0.02 |
7.50 ± 0.02 |
7.50 ± 0.02 |
| LPS |
7.48 ± 0.01 |
7.50 ± 0.02 |
7.55 ± 0.02* |
7.53 ± 0.02 |
|
| OA |
7.50 ± 0.01 |
7.44 ± 0.03† |
- |
- |
|
| PaCO2 (mmHg) |
Sham |
38.7 ± 2.7 |
36.4 ± 2.1 |
36.4 ± 1.6 |
37.4 ± 1.0 |
| LPS |
39.7 ± 1.4 |
38.8 ± 1.5 |
32.6 ± 0.6*‡ |
33.1 ± 1.0*‡ |
|
| OA |
36.4 ± 1.1 |
42.5 ± 3.7 |
- |
- |
|
| Haemoglobin (g/dl) |
Sham |
10.7 ± 0.9 |
10.1 ± 0.6 |
10.2 ± 0.5 |
10.3 ± 0.5 |
| LPS |
10.4 ± 0.6 |
10.4 ± 0.6 |
11.0 ± 0.7* |
10.9 ± 0.6 |
|
| OA |
10.3 ± 0.4 |
10.7 ± 0.5 |
- |
- |
|
| Blood temperature (°C) |
Sham |
39.3 ± 0.1 |
39.2 ± 0.1 |
39.3 ± 0.1 |
39.3 ± 0.1 |
| LPS |
39.3 ± 0.1 |
40.0 ± 0.1*‡ |
41.3 ± 0.1*‡ |
41.0 ± 0.1*‡ |
|
| OA |
39.5 ± 0.1 |
39.6 ± 0.1 |
- |
- |
|
|
Data are expressed as means ± standard error of the mean. *P < 0.05, versus t = 0 hours in LPS group; †P < 0.05, OA versus sham operated group; ‡P < 0.05, LPS versus sham-operated group. LPS, lipopolysaccharide; OA, oleic acid; PaCO2, arterial carbon dioxide tension; Sham, sham-operated. | |||||
Kirov et al. Critical Care 2004 8:R451 doi:10.1186/cc2974 |
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