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Determination of aerosol particle number and aerosol particle size distribution in exhaled air of healthy children as well as children with respiratory tract infections, especially also children with and after SARS-CoV2 infection/Covid-19.

Determination of aerosol particle number and aerosol particle size distribution in exhaled air of healthy children as well as children with respiratory tract infections, especially also children with and after SARS-CoV2 infection/Covid-19.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00028539
Enrollment
220
Registered
2022-03-21
Start date
2021-11-23
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

U07.1

Interventions

Group 1: Healthy children Age Groups: 2-6 years 7-10 years 11-17 years The aerosol particle number and size distribution in the exhaled air are measured with a device, Resp-Aer-Meter from the Palas c

Sponsors

Ina und Gerhard Scheuch Stiftung für Aerosol- Medizin- Forschung
Lead Sponsor

Eligibility

Sex/Gender
All
Age
2 Years to 17 Years

Inclusion criteria

Inclusion criteria: Intervention Group: acute respiratory tract infection; acute SARS-CoV2 infection (PCR test) Controll Group: healthy; without respiratory tract infection

Exclusion criteria

Exclusion criteria: Age 18 Jahre; Missing declaration of consent of the custodian or child; chronic pulmonary or cardiac diseasesl; malformation of the pulmonary tract; medication (z.B. Salbutamol, inhalatives Steroid)

Design outcomes

Primary

MeasureTime frame
Primary Outcome is the measurement of aerosols in the exhaled air, measured in particles/liter in children with and without acute respiratory tract infection (especially with SRAS-CoV2 Infection).—

Secondary

MeasureTime frame
Age-dependent determination of the proportion of children and adolescents with elevated aerosol concentrations—

Countries

Germany

Contacts

Public ContactPia Schuchmann

Universitätskinderklinik Bochum

pia.schuchmann@ruhr-uni-bochum.de02345096662

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026