120
Participants
Start Date
April 20, 2024
Primary Completion Date
December 30, 2024
Study Completion Date
January 10, 2025
Normal saline, Lidocaine, dexmetomidine
The study drug of each group will be sprayed into oropharynx, the vocal cords and tracheal tree 3 minutes after induction of anesthesia and 5 minutes before intubation.
Cairo University hospitals, Cairo
Kasr El Aini Hospital
OTHER