610
Participants
Start Date
December 30, 2023
Primary Completion Date
December 31, 2025
Study Completion Date
December 31, 2025
SVV-GDHT
GDHT guided by SVV using Flotra/Vigileo monitor
O2ER-GDHT
GDHT guided by O2ER
conventional care
conventional fluid therapy without GDHT
Beijing Hospital
OTHER_GOV
Beijing Tongren Hospital
OTHER