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Children aged below 7 years are randomly assigned to AuraGain Group or I-gel group. After anesthetic induction, AuraGain or I-gel is inserted and mechanical ventilation is started. Oropharyngeal leak pressure, peak inspiratory pressure, success rate for insertion, ease for insertion, ease for gastric tube insertion and fiberoptic bronchoscopic views will be compared between two groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| AuraGain group | Experimental | AuraGain is inserted for maintenance of general anesthesia. The size 1 is for children <5kg, size 2 for 5-10kg, size 2 for 10-20kg, and size 2.5 for 20-30kg. |
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| I-gel group | Experimental | I-gel is s inserted for maintenance of general anesthesia. The size 1 is for children weighted 2-5kg, size 2 for 5-12kg, size 2 for 10-25kg, and size 2.5 for 25-35kg. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| AuraGain | Device | After anesthetic induction, AuraGain is inserted in children |
|
| Measure | Description | Time Frame |
|---|---|---|
| Oropharyngeal leak pressure | The airway pressure at which a leak sound is detected around the patient's mouth and at which the airway pressure has reached equilibrium, when the pressure-limiting valve of the anesthesia breathing system is closed and the fresh gas flow rate is fixed at 3 liter/min | 30 seconds after AuraGain or I-gel insertion |
| Measure | Description | Time Frame |
|---|---|---|
| Peak inspiratory pressure | Peak airway pressure | through study completion, an average of 1 hour |
| Success rate | Success rate of AuraGain or I-gel insertion |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jin-Tae Kim, PhD | Seoul National University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul National University Hospital | Seoul | 110-744 | South Korea |
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| I-gel | Device | After anesthetic induction, I-gel is inserted in children |
|
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| Within 5 minutes after anesthetic induction |
| Ease of AuraGain or I-gel insertion | 1. No resistance 2. Moderate resistance 3. High resistance 4. Inability to pass | Within 5 minutes after anesthetic induction |
| Ease of gastric tube insertion | 1. Easy 2. Difficult 3. Unable to pass | Within 5 minutes after anesthetic induction |
| fiberoptic bronchoscopic veiw | 1. No visible glottis 2. Visible glottis and anterior epiglottis 3. Visible glottis and posterior epiglottis 4. Only glottis is visible | Within 10 minutes after anesthetic induction |