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Aerosolisation During Respiratory Procedures

A Proof of Concept Study to Evaluate Aerosol Generation During Non-Invasive Positive Pressure Respiratory Procedures

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04741217
Enrollment
10
Registered
2021-02-05
Start date
2021-03-01
Completion date
2021-09-01
Last updated
2021-02-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Droplet Spread, Healthy, Lung Infection, Respiratory Tract Infections

Brief summary

Currently, a major issue within respiratory medicine is undertaking procedures that generate aerosolisation with the concern of spreading infection, such as the SARS-COV-2/COVID-19 virus. It is anecdotally reported that lung function testing and positive airways pressure devices used in clinical practice are aerosol generating procedures however the data to support this is limited. With the advent of high-speed imaging systems that can capture and quantify particle size and velocity we aim to investigate the aerosol generation in routine non-invasive positive pressure respiratory procedures.

Interventions

No interventions are implemented. This is an observational study of respiratory droplet aerosolisation during respiratory procedures.

Sponsors

Guy's and St Thomas' NHS Foundation Trust
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years

Inclusion criteria

* Age 18-80 years * Healthy subjects with no active medical conditions or previous pneumothorax * Cognitively and linguistically able to follow instructions given in English and provide informed consent

Exclusion criteria

* Significant respiratory, cardiac or neurological conditions or previous pneumothorax * Smoking history greater than 10 pack years * Acute illness at the time of assessment * Allergies to latex, metals or local anaesthetic agents

Design outcomes

Primary

MeasureTime frameDescription
Characterisation of aerosolised respiratory droplets1 yearPerformed using high-speed imaging and particle size counters

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026