The bispectral index(BIS),mean arterial pressure(MAP),heart rate(HR),total doses of propofol and sufentanil,and expected time of recovering consciousness were recorded at different times during anesthesia induction and tracheal intubation.

• 记录麻醉诱导气管插管过程中不同时点的脑电双频指数(bispectral index,BIS)、平均动脉压(mean arterial pressure,MAP)、心率(heart rate,HR)、丙泊酚和舒芬太尼用量、预计苏醒时间。