90
Participants
Start Date
September 2, 2024
Primary Completion Date
December 30, 2024
Study Completion Date
December 30, 2024
Dexmedetomidine low-dose
The low-dose dexmedetomidine group received a 75 μg/h loading dose over 15 minutes, followed by 60 μg/h maintenance infusion intravenously.
normal Saline
The control group received volume-matched 0.9% saline infusions at identical rates.
Dexmedetomidine high-dose
The high-dose dexmedetomidine group received a 150 μg/h loading dose over 15 minutes, followed by 120 μg/h maintenance infusion intravenously.
RECRUITING
Fujian Provincial Hospital, Fuzhou
Fujian Provincial Hospital
OTHER