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Who Is at Risk for Bronchiectasis?
People who have conditions that damage the lungs or increase the risk of lung infections are at risk for bronchiectasis. Such conditions include:
- Cystic fibrosis. This disease leads to almost half of the cases of bronchiectasis in the United States.
- Immunodeficiency disorders, such as common variable immunodeficiency and, less often, HIV and AIDS.
- Allergic bronchopulmonary aspergillosis. This is an allergic reaction to a fungus called aspergillus. The reaction causes swelling in the airways.
- Disorders that affect cilia function, such as primary ciliary dyskinesia. Cilia are small, hair-like structures that line your airways. They help clear mucus (a slimy substance) out of your airways.
Bronchiectasis can develop at any age. Overall, two-thirds of people who have the condition are women. However, in children, the condition is more common in boys than in girls.
Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Bronchiectasis, visit www.clinicaltrials.gov.
The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.
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