Bronchiectasis is abnormal and permanent dilatation of the central and medium-sized airways. This leads to impaired clearance of bronchial secretions with secondary bacterial infection and bronchial inflammation.
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Changes in bronchiectasis |
Causes of bronchiectasis:
In children:
1. Cystic fibrosis![]() |
Changes in airway |
In young adults:
1. Pulmonary tuberculosis2. Inhalation of foreign body
In adults:
1. Pulmonary tuberculosis2. Ciliary dysfunction syndrome
3. As a complication of Pneumonia, where there is retention of sputum leading to lobar collapse and bronchiectasis.