Dexmedetomidine Alleviates Postoperative Delirium After Brain Tumor Resections

Ten minutes after anesthesia induction and endotracheal intubation, patients assigned to dexmedetomidine group were given a loading dose of dexmedetomidine 0.6 μg/kg over 10 minutes, followed by continuous infusion at a rate of 0.4 μg/kg/h until the start of dural closure.

0.9% saline is administered with the same volume at the same speed as the other group.