None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Children undergoing elective general anesthesia surgery 2. ASA grade I or II,; 3. age 1~6 years; 4. gender is not limited,; 5. body mass index is 13~20kg/m²,. 5. PSAS score > 3.
Exclusion criteria
Exclusion criteria: 1. Children with upper respiratory tract infection in the past 2 weeks; 2. Anemia, malnutrition, abnormal liver and kidney function; 3.Severe cardiovascular disease; Persons with intellectual disabilities; 4.Have neuropsychiatric disorders; History of allergy to narcotic drugs; 5.History of taking sedative-hypnotic drugs
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 90% effective dose; | — |
Secondary
| Measure | Time frame |
|---|---|
| Mean arterial pressure;Heart rate;Adverse reactions during sedation; | — |
Countries
China
Contacts
Third Affiliated Hospital of Zhengzhou University