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A Study on the Spectrum of Bronchiectasis Fine Pathogens and Its Dynamic Evolution

A Study on the Spectrum of Bronchiectasis Fine Pathogens and Its Dynamic Evolution

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100055103
Enrollment
Unknown
Registered
2021-12-31
Start date
2022-01-30
Completion date
Unknown
Last updated
2023-01-09

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

Conditions

Bronchiectasis

Interventions

case series:None

Sponsors

The First Affiliated Hostpital of Guangzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged over 18 years; 2. Imaging, high-resolution CT can be seen: (1) Direct signs: ''Signet ring sign'' is usually accompanied by thickening of the bronchial wall, and the inner diameter ratio of the bronchus/accompanying pulmonary artery (B/A>1); from the center to the periphery, the bronchus is not tapered gradually; dilated bronchial shadow can be seen within 1 cm from the pleura; (2) Indirect signs: bronchial wall thickening; mucous impaction; mosaic sign or ''gas trap'' found on expiratory CT; 3. Symptomatically, there are clinical manifestations of chronic cough, purulent sputum, and repeated hemoptysis.

Exclusion criteria

Exclusion criteria: 1. Patients with mental illness who do not cooperate with medical staff; 2. Patients with contraindications to bronchoscopy, such as severe ventilation and/or ventilation dysfunction without effective respiratory support, acute coronary syndrome, uncontrolled severe hypertension and malignant arrhythmia, with aortic aneurysm and esophageal varices at risk of rupture, uncorrectable bleeding tendency, massive hemoptysis and gastrointestinal bleeding; 3. Patients who cannot cooperate with bronchoscopy.

Design outcomes

Primary

MeasureTime frame
colonization of bacteria;

Secondary

MeasureTime frame
lung function;E-FACED score;quality of life (SGRQ);bronchiectasis severity index;body mass index (BMI);

Countries

China

Contacts

Public ContactCheng Linling

The First Affiliated Hostpital of Guangzhou Medical University

linling@gird.cn+86 13902233092

Outcome results

None listed

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