50
Participants
Start Date
December 31, 2012
Primary Completion Date
June 30, 2014
Study Completion Date
July 31, 2014
SVV
During the surgery, patients in group S receive additional fluids (400 ml of normal saline or 200 ml of colloid) when SVV is less than 13.
CVP
Patients in group C receive additional fluids (400 ml of normal saline or 200 ml of colloid) when CVP is less 8 during the surgery.
Severance hospital, Seoul
Yonsei University
OTHER