Methods: All patients were intubated and anesthetized with intravenous-inhalation compound anesthesia such as thiopental, midazolam, fentanyl and isoflurene.

• 方法:4例病人全部选择气管内插管,实施硫喷妥钠、咪唑安定、芬太尼、异氟醚静吸复合麻醉和控制性降压,3例应用全身控制性低温等措施;