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Updated: Oct 8, 2025

Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
Published on: November 18, 2018
[Increased pulmonary arterial and venous pressure].
Claudius Melzig1,2, Fabian Rengier3,4
1Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Deutschland.
Imaging signs on chest X-ray and CT scans are vital for diagnosing increased pulmonary arterial and venous pressure. Understanding these findings aids in differentiating conditions like pulmonary hypertension and edema.
Area of Science:
- Radiology
- Cardiovascular Imaging
Background:
- Elevated pulmonary artery or vein pressure stems from diverse diseases.
- Noninvasive imaging is key for identifying and differentiating these conditions.
Purpose of the Study:
- To comparatively review imaging signs of increased pulmonary arterial and venous pressure.
- Focus on chest X-ray and computed tomography (CT) findings.
Main Methods:
- Review of imaging findings in chest X-ray.
- Review of imaging findings in computed tomography (CT).
Main Results:
- Chest X-ray and CT reveal specific signs of increased pulmonary arterial pressure, such as enlarged central pulmonary arteries, aiding pulmonary hypertension diagnosis.
- Imaging also shows signs of pulmonary venous pressure increase, including Kerley lines and butterfly edema, indicative of pulmonary edema.
Conclusions:
- Chest X-ray and CT are indispensable tools for diagnosing patients with suspected elevated pulmonary arterial or venous pressure.
- Familiarity with imaging findings and pathophysiology supports differential diagnosis.
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