200
Participants
Start Date
June 9, 2023
Primary Completion Date
June 27, 2024
Study Completion Date
June 27, 2024
Right-stellate ganglion block
The experimental group was given right stellate ganglion block 30 minutes before anesthesia
The Second Affiliated Hospital of Chongqing Medical University, Chongqing
The Second Affiliated Hospital of Chongqing Medical University
OTHER