None
Conditions
Interventions
Electrical Impedance Tomography (EIT)-titrated PEEP group (E group, PEEP = PEEP_EIT):Electrical Impedance Tomography (EIT)-titrated PEEP during the operation
conventional PEEP group (C group, PEEP = 4 cmH?O):PEEP=4cmH2O throughout the operation
Sponsors
Beijing Children’s Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
1 Years to 6 Years
Inclusion criteria
Inclusion criteria: (1) Age >= 1 year and = 2 hours; (4) Gender unrestricted; (5) American Society of Anesthesiologists (ASA) physical status classification <= III.
Exclusion criteria
Exclusion criteria: (1) Body Mass Index (BMI) = 97th percentile (according to CDC child growth standards); (2) Severe respiratory tract infection within the past 4 weeks; (3) History of major cardiothoracic surgery; (4) History of complex abdominal surgery within the past 3 months; (5) Inability to place EIT electrodes on the chest (e.g., significant thoracic deformity, local scarring, or infection); (6) Presence of structural lung disease or uncontrolled asthma; (7) Neuromuscular disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the Modified Lung Ultrasound Score (MLUS) measured at 30 minutes after tracheal extubation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Dorsal fraction of ventilation; | — |
Countries
China
Contacts
Public ContactZenghua Xu
Beijing Children’s Hospital, Capital Medical University
Outcome results
None listed