120
Participants
Start Date
October 27, 2021
Primary Completion Date
October 15, 2023
Study Completion Date
October 15, 2023
Normobaric oxygen therapy
it is simple to administer via oxygen storage facemask at flow rates of 10 L/min for 4 hours.This therapy should begin in the emergency room as early as possible when patients meet the inclusion criteria and are randomized to the experimental group
Xuanwu Hospital of Capital Medical University, Beijing
Capital Medical University
OTHER