99
Participants
Start Date
March 28, 2020
Primary Completion Date
June 30, 2020
Study Completion Date
June 30, 2020
Norepinephrine
Simultaneous with subarachnoid block, a bolus of 6μg norepinephrine was given followed by different infusion dose of norepinephrine.
Normal saline
Simultaneous with subarachnoid block, a bolus of 1ml normal saline was given followed by normal saline infusion
General Hospital of Ningxia Medical University, Yinchuan
General Hospital of Ningxia Medical University
OTHER