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the Effects of Air Pollution on Respiratory Diseases in Children

A Multicenter Observational Study of the Effects of Air Pollution on Respiratory Diseases in Children

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05483881
Enrollment
2000000
Registered
2022-08-02
Start date
2022-05-15
Completion date
2022-12-31
Last updated
2022-08-02

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

Conditions

Respiratory Disease

Keywords

Respiratory Diseases, children, air pollution

Brief summary

The investigators expect to reveal the association between air pollution and childhood respiratory diseases through a multi-center observational study, and summarize the relationship between air pollution and childhood respiratory diseases.

Detailed description

The investigators will collect the data of outpatient and emergency children in Beijing Children's hospital and other participating hospitals due to respiratory diseases from 2010 to 2021, , collect clinical data and basic information, obtain air pollution data and meteorological monitoring data and perform data processing and statistical analysis,,then analyzes the impact of air pollution on children's respiratory diseases.

Interventions

None listed

Sponsors

Tianjin Children's Hospital
CollaboratorOTHER
Jiangxi Province Children's Hospital
CollaboratorOTHER
Wuhan Children's Hospital
CollaboratorOTHER
Capital Institute of Pediatrics, China
CollaboratorOTHER
First Affiliated Hospital of Xinjiang Medical University
CollaboratorOTHER
Guangzhou Women and Children's Medical Center
CollaboratorOTHER
The First Affiliated Hospital of Anhui Medical University
CollaboratorOTHER
Shanxi Provincial Maternity and Children's Hospital
CollaboratorOTHER
The First Affiliated Hospital of Xiamen University
CollaboratorOTHER
Shenzhen Children's Hospital
CollaboratorOTHER_GOV
Xian Children's Hospital
CollaboratorOTHER_GOV
The First Affiliated Hospital of Guangzhou Medical University
CollaboratorOTHER
China-Japan Friendship Hospital
CollaboratorOTHER
Kunming Children's Hospital
CollaboratorOTHER
Xianyang Children's Hospital
CollaboratorOTHER
Beijing Children's Hospital
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
1 Days to 18 Years
Healthy volunteers
No

Inclusion criteria

* All children participating in this clinical study must meet all of the following criteria: 1. Age: 0-18 years old, male and female 2. Consultation for respiratory diseases 3. Visit time is between 2010-2021 4. Provide complete personally identifiable information and medical information

Exclusion criteria

* All children with any of the following conditions must be excluded from this study: 1. children who visit hospital don't for respiratory diseases 2. children participating in this clinical study don't provide complete personally identifiable information and medical information 3. Visit time is not between 2010-2021.

Design outcomes

Primary

MeasureTime frameDescription
Major air pollutant concentrations12 yearsThe air pollutant data comes from the daily air quality data published by the National Environmental Monitoring Center. Calculate the arithmetic average of the daily average concentrations of air pollutants (PM10, PM2.5, SO, NO, CO, etc.) Converted from air pollution index (API).

Secondary

MeasureTime frameDescription
Number of daily visits for respiratory diseases in outpatient and emergency departments12 yearsThe number of daily outpatient visits for respiratory diseases( rhinitis, allergic rhinitis, upper respiratory tract infection, bronchitis and bronchiolitis, bronchiolitis obliterans, pneumonia, asthma , allergic cough, chronic cough, upper airway cough syndrome,etc.) in each hospital participating in this study during the study period.

Countries

China

Contacts

Primary ContactBaoping Xu, MD,PhD
xubaopingbch@163.com861059616308

Outcome results

None listed

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