40
Participants
Start Date
September 30, 2016
Primary Completion Date
December 31, 2016
Study Completion Date
December 31, 2016
phenylephrine
phenylephrine 100ug/ml IV infusion at a rate of 5ml/h in case of hypotension.
Norepinephrine
Norepinephrine 5ug/ml IV infusion at a rate of 5 ml/h in case of hypotension
The Second Affiliated Hospital of Dalian Medical University
OTHER