59
Participants
Start Date
January 1, 2022
Primary Completion Date
December 31, 2022
Study Completion Date
May 1, 2023
tartaric acid butorphanol
The group received 0.02 mg/kg tartaric acid butorphanol intravenously over 5 minutes, 30 minutes before anaesthesia induction
normal saline
The group received 0.02 mg/kg normal saline intravenously over 5 minutes, 30 minutes before anaesthesia induction
propofol and remifentanil
Anaesthesia was induced with 2 mg/kg propofol and 0.6 μg/kg remifentanil and maintained with a target-controlled infusion (TCI) of propofol and remifentanil, using the Marsh and Minto models, respectively.
Wuhan Children's hospital, Wuhan
Wuhan Children's Hospital
OTHER