What does increased bronchovascular markings in both lungs mean?

Feb 11, 2023 Source: Cainiu Health
Dr. Guo Xiheng
Introduction
An increased number of bronchovascular markings in both lungs indicates thickening of the pulmonary vessels. This may be caused by bronchitis leading to congestion and increased vascularity in the lower lobes of both lungs. It could also result from bronchiectasis, which increases pulmonary arterial pressure and causes pulmonary vascular constriction. Alternatively, it might be due to chronic obstructive emphysema, which damages the bronchial mucosa, resulting in structural damage to vessel walls and subsequent relaxation and dilation.

The term "increased bronchovascular markings in both lungs" usually refers to thickening of the blood vessels in both lungs, which may be caused by factors such as bronchitis, bronchiectasis, or chronic obstructive pulmonary emphysema.

1. Bronchitis

This may occur after infection with bacteria, viruses, or other pathogens leading to tracheal inflammation, resulting in increased congestion and blood vessel prominence in the lower lungs.

2. Bronchiectasis

Following the development of bronchiectasis, elevated pulmonary arterial pressure or imbalanced oxygen levels in the lungs may occur, leading to pulmonary vasoconstriction.

3. Chronic obstructive pulmonary emphysema

Chronic obstructive pulmonary emphysema may damage the bronchial mucosa, causing structural damage to vessel walls and resulting in laxity and dilation of blood vessels.

In addition, pulmonary tuberculosis may also cause the above phenomena. It is recommended to treat based on the underlying cause.