74
Participants
Start Date
December 1, 2024
Primary Completion Date
December 30, 2025
Study Completion Date
December 31, 2025
Circum-psoas Block
Ultrasound-guided circum-psoas block with 40 mL of treatment drug (Ropivacaine 0.2% \[local anesthetic\]) 30 minutes prior to induction of anesthesia.
Sham block
Perform ultrasound scanning without puncture.
The Second Hospital of Shandong University
OTHER