Interstitial lung disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Thoracic HRCT showed diffuse diseases in both lungs, such as nodular shadows, ground glass shadows, patch consolidation shadows, fibrous grid-like, honeycomb shadows diffuse in both lung fields or most lung fields; 2. ILD patients who do not smoke (at least 3 months) and whose cause cannot be determined by comprehensive chest HRCT, clinical history, and routine examination methods (such as sputum examination, blood examination, routine tracheoscopy, etc).
Exclusion criteria
Exclusion criteria: 1. There are contraindications of routine bronchoscopy; 2. Partial blood oxygen pressure of low flow oxygen inhalation artery<60mmHg and nitric oxide diffusion volume (DLco) measured by one breath method of pulmonary function<30% predicted value.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pathological positive diagnosis rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Maximum cross-sectional area of specimen;Operation time;complication; | — |
Countries
China
Contacts
The Second Affiliated Hospital of Xiamen Medical College