269
Participants
Start Date
April 1, 2024
Primary Completion Date
December 31, 2024
Study Completion Date
December 31, 2024
Diaphragm ultrasound
Respiratory parameters, diaphragmatic activity, and variation rate of diaphragmatic thickness were recorded at the beginning of high-flow nasal cannula oxygen therapy, 1 hour after treatment, 3 hours after treatment, 6 hours after treatment, 9 hours after treatment, and 12 hours after treatment.
Xingui Dai
OTHER