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Effects of HFNC and COT on PO2 and PCO2 in severe asthma exacerbation patients combined with respiratory failure.
| Group | Oxygen therapy | PO2 | PCO2 |
|---|---|---|---|
| HFNC group | Pretreatment | 54.45 ± 6.86 | 51.20 ± 8.75 |
| Posttreatment | 94.73 ± 4.43∗ | 40.22 ± 4.37∗ | |
|
| |||
| COT group | Pretreatment | 52.68 ± 8.42 | 48.71 ± 3.32 |
| Posttreatment | 86.98 ± 6.42∗# | 39.87 ± 4.35∗ | |
