120
Participants
Start Date
June 18, 2023
Primary Completion Date
October 27, 2023
Study Completion Date
October 27, 2023
normal saline
A bolus of normal saline (2 ml) by IV was given 5 min before spinal anesthesia.
Ondansetron 4 mg
A bolus of ondansetron (2 ml; 4mg) by IV was given 5 min before spinal anesthesia.
Ondansetron 8 mg
A bolus of ondansetron (2 ml; 8mg) by IV was given 5 min before spinal anesthesia.
General Hospital of Ningxia Medical University, Yinchuan
General Hospital of Ningxia Medical University
OTHER