|
Before HFOV
|
After 1 h HFOV
|
P
|
After 24 h HFOV
|
P
|
---|
Number of patients
|
26
|
26
| |
24
| |
PaCO2 (mmHg)
|
67.6 ± 12.3
|
53.9 ± 13.7
|
<0.001
|
50.4 ± 17.3
|
<0.001
|
pH
|
7.20 ± 0.069
|
7.28 ± 0.095
|
<0.001
|
7.34 ± 0.052
|
<0.001
|
PaO2/FiO2 (mmHg)
|
139 ± 49
|
125 ± 50
|
0.17
|
155 ± 52
|
0.16
|
-
P values of paired t test. Two patients receiving extracorporeal lung support were omitted from 24-hour analysis. Values are given as mean ± standard deviation. PaCO2, arterial partial pressure of carbon dioxide; PaO2, arterial partial pressure of oxygen; FiO2, fraction of inspired oxygen.