176
Participants
Start Date
June 1, 2023
Primary Completion Date
February 29, 2024
Study Completion Date
June 30, 2024
Ropivacaine
According to the results of the preliminary experiment, the BPB group was given ultrasound-guided BPB with 0.15% ropivacaine 20ml.The ropivacaine concentration was the 90% minimum effective concentration(MEC90) for preventing vasospasm during operation.
RECRUITING
The First Affiliated Hospital with Nanjing Medical University, Nanjing
Xuzhou Central Hospital
OTHER
Huizhou Municipal Central Hospital
OTHER
Nanjing Jiangbei Hospital
UNKNOWN
The First Affiliated Hospital with Nanjing Medical University
OTHER