record,describe and discuss the relationship among rSO2, MAP,CAM value, vital organ disfunction and the outcome of patients after operation by Near-Infrared Spectroscopy in Endovascular Neurosurgery

record,describe and discuss the relationship among rSO2, MAP,CAM value, vital organ disfunction and the outcome of patients after operation using Near-Infrared Spectroscopy in Endovascular Neurosurgery meanwhile detect the Brain oxygen supply and function monitoring using noninvasive Near-Infrared Spectroscopy in Endovascular Neurosurgery.

Inclusion Criteria:

• American Society of Anesthesiology (ASA) class I~Ⅲ, ranging in age from 18 to 80 years

Exclusion Criteria:

• ASA>Ⅳ
• Non-cooperators
• Morbid obesity (BMI>35kg/m2)
• Preoperative hyperresponsiveness airway and gastro-esophageal reflux
• The existence of the state or a diagnosis of dementia, delirium, depression, cognitive dysfunction before surgery were also excluded

Scheduled to undergoing Endovascular Neurosurgery