320
Participants
Start Date
December 13, 2020
Primary Completion Date
November 15, 2021
Study Completion Date
December 1, 2021
dexmedetomidine
2.5µg/kg intranasal dexmedetomidine group
midazolam
0.5mg/kg oral midazolam
midazolam
0.05mg/kg intravenous injection midazolam
Saline
no premedication
Department of Anesthesiology, The Eye, Ear, Nose and Throat Hospital of Fudan University, Shanghai
Eye & ENT Hospital of Fudan University
OTHER