What is aspiration pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Aspiration pneumonia develops after the inhalation of oropharyngeal secretions and colonized organisms. Although organisms frequently implicated in CAP, such as Haemophilus influenzae and Streptococcus pneumoniae, can colonize the nasopharynx and oropharynx and their aspiration can contribute to the development of CAP, the term aspiration pneumonia refers specifically to the development of an infectious infiltrate in patients who are at increased risk of oropharyngeal aspiration.


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