Table 1

Causes of bronchiectasis

Post infectiveViral (adenovirus, measles, HIV)
Bacterial (pneumococcus)
Mycobacterium tuberculosis
Whooping cough
Allergic Bronchopulmonary aspergillosis
Host Immune defectsHumoral immune deficiency (IgA, IgG, IgM)
Selective IgG subclass deficiency
Specific antibody deficiency
Complement deficiency
Chronic granulomatous disease
Mucociliary clearance defectsPrimary ciliary dyskinesia
Kartageners syndrome
Youngs syndrome
Other inflammatory diseaseRheumatoid arthritis
Inflammatory bowel disease
Chronic obstructive pulmonary disease
OthersForeign body inhalation
Middle lobe syndrome
α—1-Antitrypsin deficiency
Toxic inhalation
Gastro-oesophageal reflux disease
Yellow nail syndrome