119
Participants
Start Date
May 5, 2021
Primary Completion Date
August 16, 2021
Study Completion Date
August 16, 2021
2 mg morphine sulfate
The parturients were administered 2 mg morphine sulfate through the epidural catheter. Sterile saline was added to make a total volume of 8 mL.
0.25mg/kg esketamine
The parturients were administered 0.25mg/kg of esketamine through the epidural catheter. Sterile saline was added to make a total volume of 8 mL.
0.25mg/kg of esketamine in combination with 2 mg morphine sulfate
The parturients were administered 0.25mg/kg of esketamine in combination with 2 mg morphine sulfate through the epidural catheter. Sterile saline was added to all combinations of the analgesic drugs to make a total volume of 8 mL.
0.25mg/kg of esketamine in combination with 1 mg morphine sulfate
The parturients were administered 0.25mg/kg of esketamine in combination with 1 mg morphine sulfate through the epidural catheter. Sterile saline was added to all combinations of the analgesic drugs to make a total volume of 8 mL.
Qijun Ran, Dazhou
Xuanhan County People's Hospital
OTHER