Determination of Optimal Positive End-expiratory Pressure Using Electrical Impedance Tomography in Children Under General Anesthesia: Comparison Between Supine and Prone Positions
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- General Anesthesia
- Sponsor
- Seoul National University Hospital
- Enrollment
- 33
- Locations
- 1
- Primary Endpoint
- Optimal PEEP level at prone position
- Status
- Completed
- Last Updated
- 3 years ago
Overview
Brief Summary
The purpose of this study was to determine the appropriate positive end-expiratory pressure (PEEP) using electrical impedance tomography (EIT) in children under general anesthesia and to investigate whether there is a difference between the supine and prone positions.
Investigators
Hee-Soo Kim
Professor
Seoul National University Hospital
Eligibility Criteria
Inclusion Criteria
- •Children \<= years of age who are scheduled for surgery in the prone position under general anesthesia
Exclusion Criteria
- •Respiratory distress, bronchopulmonary dysplasia
- •Pneumothorax
- •Increased intracranial pressure
- •History of airway surgery
- •Cervical or thoracic surgery
- •Pulmonary hypertension
Outcomes
Primary Outcomes
Optimal PEEP level at prone position
Time Frame: 1 hour after prone positioning (prone)
Optimal PEEP level (cmH2O) determination using electrical impedance tomography at prone position
Optimal PEEP level at spine position
Time Frame: 10 minutes after intubation (supine)
Optimal PEEP level (cmH2O) determination using electrical impedance tomography at supine position
Secondary Outcomes
- Dynamic compliance measured using Electrical impedance tomography(until 1 hour after prone positioning)
- regional ventilation delay measured using Electrical impedance tomography(until 1 hour after prone positioning)
- pulmonary opening pressure measured using Electrical impedance tomography(until 1 hour after prone positioning)
- atelectasis/overdistension ratio measured using Electrical impedance tomography(until 1 hour after prone positioning)