What is the pathophysiology of aspiration hospital-acquired pneumonia (HAP)?

Updated: Apr 15, 2021
  • Author: Kartika Shetty, MD, FACP; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Answer

Aspiration pneumonia results from aspiration of colonized upper respiratory tract secretions. In healthy individuals, roughly 45% of the population is estimated to aspirate during sleep, with critically ill patients likely aspirating more frequently. [6, 7]


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