Which bacteria are associated with aspiration pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Historically, the bacteria implicated in aspiration pneumonia have been the anaerobic oropharyngeal colonizers such as Peptostreptococcus, Bacteroides, Fusobacterium, and Prevotella species. However, now evident is that the vast majority of cases of aspiration pneumonia result from the same pathogens implicated in CAP and HAP, depending on the setting in which the aspiration event occurred. The clinical course of aspiration pneumonia is, thus, similar to that of CAP or HAP. [17] However, recurrence of aspiration pneumonia is common unless the risk factors for underlying aspiration are treated or minimized.

Go to Aspiration Pneumonia for complete information on this topic.

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