Data sharing plan: The deidentified participant data reported in this study could be made available to researchers upon approval by the corresponding author (Dr. Ruquan Han, [email protected]) immediately after publication. The reasonable request should provide a formal protocol for database use that has been approved by the ethics institutions.
Age
18–65
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Scheduled to undergo craniotomy for supratentorial tumors with general anesthesia;
18 years≤age≤65 years;
American Society of Anesthesiologists (ASA) physical status of I to III;
Signed informed consent.
You may not be if
Patients with a body mass index (BMI)≥35 kg/m2;
Patients with severe hepatic and renal insufficiency;
Patients with cognitive dysfunction, aphasia and other states that do not cooperate with the assessment;
Preoperative magnetic resonance imaging of the head showed midline displacement \>5 mm;
Patients undergoing electrophysiological monitoring during surgery;
