Rebreathing
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1: ASA I-II; 2: BMI 18.5–23.9; 3: Body weight 10–20 kg; 4: Age <8 years; 5: Absence of systemic diseases, asthma, or epilepsy; 6: Normal hepatic and renal functions.
Exclusion criteria
Exclusion criteria: 1: Respiratory tract infection; 2: Significant snoring during sleep; 3: Abnormal important auxiliary examination results; 4: Significantly delayed height development compared to peers; 5: Personal or family history of malignant hyperthermia; 6: Refusal to participate by the child or guardian.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Static pressure in the breathing circuit;Rebreathing volume;Tidal volume;Temperature in the breathing circuit; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vital signs; | — |
Countries
China
Contacts
Children's Hospital of Chongqing Medical University