54
Participants
Start Date
January 1, 2024
Primary Completion Date
June 30, 2025
Study Completion Date
June 30, 2025
PPI guided strategies
For targeted MAP or lower, if PPI\<1, more fluid therapy. if PPI\>3, vasoconstriction therapy. For MAP\<65mmHg and 1\<=PPI\<3, test bolus of 250 ml crystalloid fluid.
Empirical strategies
Fluid therapy or vasoconstriction depended on experiences of anesthetic staffs.
RECRUITING
Zhiqiang Zhou, Wuhan
zhiqiang zhou
OTHER