The Evaluation of Airway Dimension by Using Ultrasonography

• Conditions: Subglottic Airway Diameter in Normal Adults

• Registration Number: NCT04175483
• Lead Sponsor: National Taiwan University Hospital

Brief Summary

The aim of this study is to measure the dimension of airway in healthy Asian population. We recruit normal volunteer subjects aged more than 20 years old. Subglottic transverse diameter is measured and recorded by ultrasonography.

Detailed Description

The aim of this study is to measure the dimension of airway in healthy Asian population. We recruit normal volunteer subjects aged more than 20 years old. Subglottic transverse diameter is measured and recorded by ultrasonography.

Study Timeline

• Status Verified: 2019-11
• Study Start: 2019-11-01
• Study First Submitted: 2019-11-21
• Study First Submitted QC: 2019-11-21
• Study First Posted: 2019-11-25
• Primary Completion: 2020-07-31
• Last Update Submitted: 2020-08-02
• Last Update Posted: 2020-08-04
• Study Completion: 2020-08-31

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

• Adult healthy volunteers (aged more than 20 years) without pre-existing airway or respiratory diseases, neck tumors and a history of neck operation.

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Exclusion Criteria

• pre-existing airway or respiratory diseases, neck tumors and a history of neck operation.

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Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
transverse glottic diameter by ultrasonography	one day	transverse glottic diameter by ultrasonography

Trial Locations

Locations (1)

Wan-Ching Lien; 🇨🇳 Taipei, Taiwan