100
Participants
Start Date
September 18, 2023
Primary Completion Date
September 18, 2028
Study Completion Date
September 18, 2028
Sono-guided injection
After spinal anesthesia, patients will be injected around femoral nerve using ultrasonography.
Ropivacaine injection
After spinal anesthesia, patients will be injected 20ml ropivacaine around femoral nerve.
Saline injection
After spinal anesthesia, patients will be injected 20ml 0.9% saline around femoral nerve.
Chuncheon Sacred Heart Hospital, Chuncheon
Chuncheon Sacred Heart Hospital
OTHER