An Investigation Into the Dispersion Pattern During Coughing and Open Nasopharyngeal Suction Using Various Barrier Devices

Airway Aspiration Clinical Trial

Official title:

An Investigation Into the Dispersion Pattern During Coughing and Open Nasopharyngeal Suction Using Various Barrier Devices

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT06380023
• Other study ID #: 2022.354
• Status: Completed
• Start date: September 1, 2022
• Est. completion date: March 3, 2024

Study information

• Verified date: April 2024
• Source: North District Hospital
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

The aim of the study is to examine the air dispersion pattern and the environmental influence of open airway suction in general ward setting. Secondly, the study is aimed at identifying a simple & practical enclosure device in general ward. Suction will be performed in manikin in supine lying.

Nasopharyngeal suction will be performed by physiotherapist with working experience more than 1 years. Besides, surgical mask & enclosure tent will be adopted as the enclosure barrier device in this study.

Research Question

1. To assess the extent of the environmental contamination during coughing and simulated airway suction

2. To measure the air particle count during coughing and simulated open airway suction.

3. To evaluate how effective the enclosure barrier in reducing the air particle dispersion during open airway suction.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 13
• Est. completion date: March 3, 2024
• Est. primary completion date: March 3, 2024
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: N/A and older

Eligibility

Inclusion Criteria:

• physiotherapists with working experience more than one year

Exclusion Criteria:

• physiotherapists with working experience less than one year

Related Conditions & MeSH terms

• Airway Aspiration
• Cough

Intervention

Device:
• Enclosure barrier
Surgical mask & Enclosure tent compared with open suction

Locations

Country	Name	City	State
Hong Kong	North District Hospital	Hong Kong

Sponsors (2)

Lead Sponsor	Collaborator
North District Hospital	The Hong Kong Polytechnic University

Country where clinical trial is conducted

Hong Kong, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Air particle count	The calibrated sizes are 0.3, 0.5. 1.0, 2.0, 5.0 and 10 microns	one minute
Secondary	A fluorescent Dye	The extent and area of the fluorescent dye spreading are measured	one minute