Determination of Optimal Positive End-expiratory Pressure Using Electrical Impedance Tomography in Children Under General Anesthesia: Comparison Between Supine and Prone Positions

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

33 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-03-14

Study Completion Date

2022-12-30

Brief Summary

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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.

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Detailed Description

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Conditions

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General Anesthesia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Children <= 1 years old

Pediatric patients \<= 1 years old of age scheduled for surgery in the prone position

Group Type EXPERIMENTAL

Exploration of optimal PEEP in supine and prone position

Intervention Type OTHER

1. General anesthesia is done in routine manner
2. A sensor for electrical impedance tomography (EIT) is applied around the patient's chest.
3. In supine position, lung recruitment maneuver is done, followed by decremental PEEP trial. Based on EIT parameter, optimal PEEP which induces minimal overdistension and collapse of lungs is determined.
4. One hour after prone position, optimal PEEP is determined again.

Interventions

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Exploration of optimal PEEP in supine and prone position

1. General anesthesia is done in routine manner
2. A sensor for electrical impedance tomography (EIT) is applied around the patient's chest.
3. In supine position, lung recruitment maneuver is done, followed by decremental PEEP trial. Based on EIT parameter, optimal PEEP which induces minimal overdistension and collapse of lungs is determined.
4. One hour after prone position, optimal PEEP is determined again.

Intervention Type OTHER

Eligibility Criteria

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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

Maximum Eligible Age

1 Year

Eligible Sex

ALL

Accepts Healthy Volunteers

No