200
Participants
Start Date
May 31, 2023
Primary Completion Date
December 31, 2026
Study Completion Date
December 31, 2026
passive leg raising
transfer a patient from semi-recumbent position to supine position with a 45° leg lifting
Dobutamine
infusion dobutamine
RECRUITING
Zhongshan hospital Fudan University, Shanghai
Shanghai Zhongshan Hospital
OTHER