60
Participants
Start Date
March 1, 2023
Primary Completion Date
January 1, 2024
Study Completion Date
February 1, 2024
Intercostal plane block of the external oblique muscle
Under ultrasound guidance, a single dose of 0.25% ropivacaine 20ml was given for bilateral intercostal muscle plane block of external oblique muscles
The first hospital of Qinhuangdao, Qinhuangdao
The First Hospital of Qinhuangdao
OTHER_GOV