How can foreign body aspiration cause bronchiectasis?

Updated: Jul 23, 2019
  • Author: Ethan E Emmons, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

In adults, foreign body aspiration often takes place in the setting of altered mental status and involves unchewed food. Patients may also aspirate chewed materials from the stomach, including food, peptic acid, and microorganisms.

After aspiration, a postobstructive pneumonia may occur, with subsequent development of focal bronchiectasis. Bronchiectasis may also develop in the setting of chronic aspiration. Further recognized is that a history of gastroesophageal reflux is a risk factor for aspiration and that the organism Helicobacter pylori may play a role in the development of bronchiectasis in this group of patients. [25, 26, 27]


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