292
Participants
Start Date
November 4, 2021
Primary Completion Date
November 22, 2023
Study Completion Date
November 22, 2023
Superficial cervical plexus block
Ultrasound guidance will be used to determine the location of superficial cervical plexus nerve. The puncture will also be performed by ultrasound guidance, covered with opaque infusion dressing but performed with infusion of 10 ml 0.5% ropinacaine.
Control group
Ultrasound guidance will be used to determine the location of superficial cervical plexus nerve. The puncture will also be performed by ultrasound guidance, covered with opaque infusion dressing but performed with infusion of 10 ml normal saline.
Beijing Tian Tan Hospital, Capital Medical University, Beijing
Beijing Tiantan Hospital, Beijing
Beijing Tiantan Hospital
OTHER