81
Participants
Start Date
September 8, 2019
Primary Completion Date
February 1, 2021
Study Completion Date
March 16, 2021
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 electrophysiology of the patients' hearts
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 of the patients' hearts
Dexmedetomidine
The loading dose with 1 μg/kg, maintenance dose with 1 μg/kg of Dexmedetomidine is used to observe the effect on the electrophysiology of the patients' hearts
Normal saline
Normal saline is used to observe the effect on the electrophysiology of the patients' hearts
the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou
Yangzhou University
OTHER