Study: NCT02313337

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Oral administration
Description: Premedicate--Oral administration of a mixture at preoperative 30 minutes: ketamine 3 mg/kg, midazolam 0.5 mg/kg and atropine 0.02 mg/kg, plus 50% glucose solution to 0.5ml /kg.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Intramuscular injection
Description: Premedicate--At preoperative 30 minutes intramuscular injection of atropine 0.02 mg/kg, 5 minutes before entering the operation room, intramuscular injection of ketamine 5 mg/kg.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Rectal perfusion
Description: Premedicate--At preoperative 30 minutes rectal infusion of midazolam 0.5mg/kg

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Dripping nose
Description: Premedicate--At preoperative 30 minutes dripping nose of Imidazole valium 0.2 mg/kg

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia induction(midazolam,fentanyl,propofol,atracurium)
Description: After entering the operation room ,all cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia induction(midazolam,fentanyl,propofol,atracurium)
Description: After entering the operation room ,all cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia induction(midazolam,fentanyl,propofol,atracurium)
Description: After entering the operation room ,all cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia induction(midazolam,fentanyl,propofol,atracurium)
Description: After entering the operation room ,all cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Intubation
Description: Intubation when the trachea-oesophageal fistula（TOF） value fell 15%, BIS value dropped to 40.

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Intubation
Description: Intubation when the trachea-oesophageal fistula（TOF） value fell 15%, BIS value dropped to 40.

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Intubation
Description: Intubation when the trachea-oesophageal fistula（TOF） value fell 15%, BIS value dropped to 40.

Intervention type: PROCEDURE
Group type: EXPERIMENTAL
Intervention: Intubation
Description: Intubation when the trachea-oesophageal fistula（TOF） value fell 15%, BIS value dropped to 40.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia maintenance(midazolam,fentanyl,propofol,atracurium)
Description: All cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia maintenance(midazolam,fentanyl,propofol,atracurium)
Description: All cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia maintenance(midazolam,fentanyl,propofol,atracurium)
Description: All cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Anesthesia maintenance(midazolam,fentanyl,propofol,atracurium)
Description: All cases intravenous midazolam 0.05 mg/kg, fentanyl 3μg/kg, closed-loop target controlled infusion propofol and atracurium .