140
Participants
Start Date
January 1, 2017
Primary Completion Date
August 30, 2020
Study Completion Date
August 30, 2020
Dexmedetomidine
The loading dose with 0.5 μg/kg, maintenance dose with 0.5 μg/kg of Dexmedetomidine is used to observe the effect on the electrolyte and quality of recovery of the patients
Dexmedetomidine
The loading dose with 1.0 μg/kg, maintenance dose with 0.25 μg/kg of Dexmedetomidine is used to observe the effect on the electrophysiology and quality of recovery of the patient
Dexmedetomidine
The loading dose with 1 μg/kg, maintenance dose with 0.5 μg/kg of Dexmedetomidine is used to observe the effect on the electrophysiology and quality of recovery of the patients
Normal saline
Normal saline is used to observe the effect on the electrophysiology and quality of recovery of the patients
the Affiliated Hospital of Yangzhou University, Yangzhou
Yangzhou University
OTHER