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The purpose of this study is to assess the facial measurements for determining the proper sizes of oropharyngeal airway. Investigators hypothesized that the length between incisors and mandible angle is more appropriate to estimate the size of oropharyngeal airway compared with the length between mouth corner and mandible angle.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental | Experimental | the length between incisor and mandible angle |
|
| Active comparator | Active Comparator | the length between mouth corner-mandible angle |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| the length between incisor and mandible angle | Device | the use of oropharyngeal airway (Guedel-type color coded oropharyngeal airway, Hudson RCI, Teleflex Medical, Research Triangle Park, NC) which size is the length between incisor and mandible angle |
| Measure | Description | Time Frame |
|---|---|---|
| proper size of oropharyngeal airway | The oropharyngeal airway will be inserted into the patient's mouth. Investigators will check the laryngeal view using fiberoptic bronchoscope and the adequacy of ventilation after the investigator ventilates the patient using the mask. If both the laryngeal view and ventilation are appropriate, the size of oropharyngeal airway will be considered as the proper size for the patient. | up to 10 minutes after the start of anesthetic induction |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Severance Hospital | Seoul | 120-752 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 26908003 | Derived | Kim HJ, Kim SH, Min NH, Park WK. Determination of the appropriate sizes of oropharyngeal airways in adults: correlation with external facial measurements: A randomised crossover study. Eur J Anaesthesiol. 2016 Dec;33(12):936-942. doi: 10.1097/EJA.0000000000000439. |
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| the length between mouth corner-mandible angle | Device | the use of oropharyngeal airway (Guedel-type color coded oropharyngeal airway, Hudson RCI, Teleflex Medical, Research Triangle Park, NC) of which size is the length between mouth corner and mandible angle |
|
| ID | Term |
|---|---|
| D053120 | Respiratory Aspiration |
| ID | Term |
|---|---|
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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