Chronic Obstructive Pulmonary Disease
Conditions
Interventions
Gold Standard:Gold standard pulmonary function test
Sponsors
Changhai Hospital, The Navy Military Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Age range: 18 to 90 years old 2. Plan to undergo chest CT examination and can complete pulmonary function test on the same day or within 24 hours thereafter 3. Have the ability to give informed consent 4. Can be evaluated by the physician to attempt diaphragmatic breathing training
Exclusion criteria
Exclusion criteria: 1. Acute respiratory failure: According to the guidelines of ATS/ERS and others, it is defined as arterial partial pressure of oxygen (PaO2) 30 breaths per minute, or requiring invasive ventilation support. 2. Within the past 14 days, has undergone major thoracic surgery. 3. Pregnant or lactating women. 4. Inadequate quality of CT images (presence of severe metal artifacts, motion artifacts, or significant insufficient inhalation). 5. Has absolute contraindications for pulmonary function tests or has been judged by the physician not suitable for the test.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean difference between AI-predicted values and measured pulmonary function values (FEV1, FVC);Correlation coefficient; | — |
Secondary
| Measure | Time frame |
|---|---|
| GOLD classification;Decision Change Rate;Process efficiency;Patient experience;Agreement;Calibration; | — |
Countries
China
Contacts
Public ContactBian Yun
Changhai Hospital, The Navy Military Medical University
Outcome results
None listed