100
Participants
Start Date
August 1, 2019
Primary Completion Date
August 23, 2021
Study Completion Date
September 15, 2021
Ropivacaine injection
On the first day of inclusion, performed T8 bilateral ultrasound-guided erector spinae plane block and indwelling tube will be left + 0.375% ropivacaine 20ml to both sides. Patients will be given injections every 12 h for 7 days.
Zhujiang Hospital of Southern Medical University, Guangzhou
Zhujiang Hospital
OTHER