Effects of Intraoperative GDFT on the Postoperative Brain Edema

Target parameter will be titrated with fluid bolus, and thus individual amount varied depending on the parameter value at that time. Maintenance of oxygenation, hemoglobin, blood glucose, core temperature and hemodynamics, such as mean arterial pressure and heart rate, will be applied according to the same standard for each patient.

Fluid therapy will be done without goal directed. Maintenance of oxygenation, hemoglobin, blood glucose, core temperature and hemodynamics, such as mean arterial pressure and heart rate, will be applied according to the same standard for each patient.