Using Functional Lung MRI to Explore Pulmonary Perfusion Changes in Patients With Pulmonary Fibrosis and Emphysema Syndrome
Conditions
Brief summary
This study intends to use magnetic resonance pulmonary function imaging technology to explore imaging markers for early diagnosis of patients with CPFE. Through baseline, 6-month and 12-month follow-up examinations, the changes in magnetic resonance pulmonary function in patients with CPFE and their correlation with disease progression were explored.
Interventions
Non-contrast, free-breathing MRI scan
Sponsors
Study design
Eligibility
Inclusion criteria
* (1) Chest HRCT shows emphysema mainly distributed in the upper lung field, manifesting as wallless or thin-walled (wall thickness \<1 mm) low-transmittance areas with clear boundaries with normal tissue, or multiple bullae (diameter \> 1 cm), and the emphysema area/total lung volume is ≥10%; (2) interstitial pulmonary fibrosis mainly distributed in the lower lung field and subpleura, manifesting as honeycomb shadow or grid shadow, and the lung structure is destroyed , may be accompanied by traction bronchiectasis, ground glass opacities and consolidation opacities.
Exclusion criteria
* (1) Refusal to sign the informed consent form; (2) MRI contraindications (implanted pacemaker/defibrillator, claustrophobia, or any clinical condition that prohibits longer MRI examinations).
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| perfusion defect percentage | 12 months | Calculate MRI lung perfusion defect as a percentage of the whole lung |
Countries
China