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National etiological epidemiological Investigation of community-acquired Pneumonia in Emergency Departments

National etiological epidemiological Investigation of community-acquired Pneumonia in Emergency Departments

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500111092
Enrollment
Unknown
Registered
2025-10-24
Start date
2025-08-01
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Community-acquired pneumonia

Interventions

Observation group of patients with community-acquired pneumonia:None

Sponsors

Beijing Hospital of Traditional Chinese Medicine, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >=18 years old, meeting the diagnostic criteria for community-acquired pneumonia; 2. Emergency patients; 3. After admission, complete the etiological test and ensure the pathogen is clear.

Exclusion criteria

Exclusion criteria: 1. Patients with immune deficiencies: such as those with human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS), patients after organ transplantation, etc. 2. Patients with chronic respiratory diseases: such as chronic obstructive pulmonary disease (COPD), bronchiectasis, etc.

Design outcomes

Primary

MeasureTime frame
Bacterial culture and antimicrobial susceptibility testing (AST);Viral nucleic acid testing(Viral NAT);Serological testing for antibodies against Legionella, Mycoplasma, and Chlamydia;GM assay;Experiment G;Metagenomic Next-Generation Sequencing;

Secondary

MeasureTime frame
Blood Routine Test;CRP;PCT;Imaging findings (chest X-ray/CT manifestations);Clinical manifestations: fever, cough, sputum production, chest tightness, dyspnea, chest pain, sore throat, myalgia, and comorbidities.;Antimicrobial utilization;

Countries

China

Contacts

Public ContactGuo Wei

Beijing Hospital of Traditional Chinese Medicine, Capital Medical University

Guowei1010@126.com+86 136 2128 9067

Outcome results

None listed

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