160
Participants
Start Date
June 1, 2019
Primary Completion Date
December 2, 2019
Study Completion Date
December 2, 2019
dexmedetomidine group
After the fetus was delivered, low-dose dexmedetomidine intraoperative infusion, postoperative low-dose dexmedetomidine patient-controlled intravenous analgesia pump(the background infusion is 2 ml/h, the bolus dose is 0.5 ml, the lock time is 15 min).
control group
After the fetus was delivered, saline intraoperative infusion, postoperative patient-controlled intravenous analgesia pump(the background infusion is 2 ml/h, the bolus dose is 0.5 ml, the lock time is 15 min) without dexmedetomidine.
The Affiliated Hospital of Xuzhou Medical University, Xuzhou
The Affiliated Hospital of Xuzhou Medical University
OTHER