260
Participants
Start Date
January 31, 2023
Primary Completion Date
June 30, 2025
Study Completion Date
December 31, 2025
blood volume loss based blood transfusion
Blood transfusion is indicated based on the estimated intraoperative blood loss. When intraoperative blood loss exceeds 400ml, blood transfusion begin. At the end of the operation, we ensure that the volume of blood transfusion is no greater than the anticipated blood loss.
hemoglobin concentration based blood transfusion
Blood transfusion is indicated based on the intraoperative hemoglobin concentration. Intraoperative blood transfusion begins when hemoglobin concentration is blow 70g/L. Intraoperative blood transfusion stops when hemoglobin concentration reaches 80g/L
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER