None listed
Conditions
Interventions
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Those who underwent chest CT plain scanning at West China Hospital; 2. complete clinical data; 3. good health, no previous history of cardiac or pulmonary diseases; 4. age >=18 years;
Exclusion criteria
Exclusion criteria: 1. Poor quality of CT images or other reasons causing difficulty in tracheal segmentation; 2. Lung function parameters FEV1% or FEV1/FVC below the lower limit of normal; 3.Having a history of lung disease or medication use; 4. Having CT signs of lung disease (interstitial disease, emphysema, bronchiectasis and infection); 5. Known abdominal hernia (including inguinal, umbilical, and incisional), rib fracture, aneurysm, or tuberculosis; and 6. Recent cardiac catheterization (within the previous 2 weeks); 7. Recent respiratory infection (within the previous 3 weeks); 8.Recent (within 6 weeks) illness (e.g., pneumothorax, pulmonary embolism, etc.) or surgery (e.g., ophthalmic surgery, thoracic or abdominal surgery, etc.);
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| luminal area (LA) ;wall thickness (WT);wall area percentage; | — |
Countries
China
Contacts
Public ContactXia Chunchao
West China School of Medicine and West China Hospital, Sichuan
Outcome results
None listed