32
Participants
Start Date
September 25, 2021
Primary Completion Date
February 28, 2023
Study Completion Date
March 1, 2023
Tetanic stimulation
For each participant, record the first concentration that ANI≥50 after the tetanic stimuli, as the sufficient concentration.
Skin incision
Infuse the sufficient concentration for at least 5min of the steady-state period, then surgical stimulus is applied. The surgical stimulus is defined as the first skin incision to establish pneumoperitoneum.
Beijing Chao Yang Hospital, Beijing
Beijing Chao Yang Hospital
OTHER