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Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. aged 1-4 months, ASA I-II; 2. abdomenal surgery; 3. predict anesthesia time 2-6h; 4. live in Guangzhou more than 3 years; 5. finish Informed consent.
Exclusion criteria
Exclusion criteria: 1. gestational age <37 weeks; 2. mother exposure to general anesthesia at pregnancy; 3. with congenital malformation which may be harmful to neurocognitive development; 4. with neurocognitive disease before the surgery; 5. preoperative DST test shows developmental retradation; 6. predict lifetime is less than 5 years such as cancer or serious heart disease; 7. contraindication to caudal anesthesia or general anesthesia; 8. have been long time exposure to general aneshtesia before this surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Attributional Style Questionnaire (ASQ) score;Gesell score; | — |
Countries
China
Contacts
Guangzhou Women and Chlidren's Medical Center