Fig. 3From: Effect of intraoperative goal-directed fluid therapy on the postoperative brain edema in patients undergoing high-grade glioma resections: a study protocol of randomized control trialData collection at each time point. Pre-op preoperative, Op operative, GDFT goal-directed fluid therapy, SDT standard treatment, MRI magnetic resonance imaging, CT computerized tomography, NRS Numeric Rating ScaleBack to article page