Related Experiment Video
Updated: Jun 1, 2026

Oropharyngeal Administration of Bleomycin in the Murine Model of Pulmonary Fibrosis
Published on: May 9, 2025
[Pulmonary fibrosis and emphysema].
1Centre valaisan de pneumologie, CHCVS, 3963 Crans-Montana.
Combined pulmonary fibrosis and emphysema (CPFE) is a syndrome affecting smokers, characterized by upper-lobe emphysema and lower-lung fibrosis. Diagnosis relies on CT scans, and pulmonary hypertension is a key negative prognostic factor.
Area of Science:
- Pulmonology
- Radiology
- Pathology
Context:
- Combined pulmonary fibrosis and emphysema (CPFE) is a distinct interstitial lung disease.
- This syndrome predominantly affects male smokers and ex-smokers, typically around 65 years of age.
- Key clinical features include exertional dyspnea, reduced pulmonary function, and exercise-induced hypoxemia.
Purpose:
- To describe the clinical, radiological, and prognostic features of combined pulmonary fibrosis and emphysema.
- To highlight the diagnostic utility of high-resolution CT scans in identifying CPFE.
- To underscore the significance of pulmonary hypertension as a negative prognostic indicator.
Summary:
- CPFE presents with upper-lobe emphysema and lower-lung diffuse fibrosing disease, as visualized on high-resolution CT scans.
- Pulmonary function tests often show subnormal results, reduced carbon monoxide transfer, and exercise hypoxemia.
- Pulmonary hypertension is observed in nearly 50% of patients and is a major factor influencing prognosis.
Impact:
- This case report contributes to the understanding of a recently described smoking-related lung disease.
- Early diagnosis through high-resolution CT can facilitate timely management strategies.
- Identifying pulmonary hypertension is crucial for patient management and predicting survival outcomes.
Related Concept Videos
Chronic Obstructive Pulmonary Disease II: Emphysema
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Chronic Obstructive Pulmonary Disease I: Introduction
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Other Pulmonary Disorders
