90
Participants
Start Date
January 16, 2020
Primary Completion Date
April 30, 2020
Study Completion Date
December 30, 2020
Midazolam
M group received intravenous injection of 0.03mg·kg-1 (1mg·ml-1) midazolam, After 1 min, both groups received intravenous injection of dexamethasone sodium phosphate injection of 10mg (injection was completed in 2s)
normal saline
N group received corresponding intravenous normal saline of1ml·kg-1 .
Affiliated hospital of yangzhou university, Yangzhou
Yangzhou University
OTHER