336
Participants
Start Date
May 1, 2021
Primary Completion Date
March 31, 2024
Study Completion Date
March 31, 2024
Esketamine
After delivery, the parturient was given a loading dose of esketamine, and then a small dose of esketamine was added into PCIA analgesia pump
Normal saline
10 ml normal saline
Tongji Hospital, Wuhan
Maternal and Child Health Hospital of Hubei Province
OTHER
Jingmen No.1 People's Hospital
OTHER
Ailin Luo
OTHER