Difference between revisions of "Aspiration pneumonia"

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'''Aspiration pneumonia''' is a type of [[pneumonia]].
'''Aspiration pneumonia''' is a type of [[pneumonia]].
 
A special type of aspiration pneumonia is ''lipoid pneumonia''. It is dealt with in the ''[[lipoid pneumonia]]'' article.


==General==
==General==
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*[[Obesity]].
*[[Obesity]].
*Labour.
*Labour.
Note:
*A special type of aspiration pneumonia is ''lipoid pneumonia''. It is dealt with in the ''[[lipoid pneumonia]]'' article.


==Gross==
==Gross==
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Image:Aspiration_pneumonia_%282%29.jpg | Aspiration pneumonia - 2 - (WC)
Image:Aspiration_pneumonia_%282%29.jpg | Aspiration pneumonia - 2 - (WC)
Image:Aspiration_pneumonia_%283%29.jpg | Aspiration pneumonia - 3 - (WC)
Image:Aspiration_pneumonia_%283%29.jpg | Aspiration pneumonia - 3 - (WC)
</gallery>
<gallery>
Image: Aspiration pneumonia -- very low mag.jpg | AP - very low mag. (WC)
Image: Aspiration pneumonia - alt -- low mag.jpg | AP - low mag. (WC)
Image: Aspiration pneumonia -- intermed mag.jpg | AP - intermed. mag. (WC)
Image: Aspiration pneumonia - alt -- high mag.jpg | AP - high mag. (WC)
Image: Aspiration pneumonia -- very high mag.jpg | AP - very high mag. (WC)
</gallery>
</gallery>



Latest revision as of 01:37, 24 March 2019

Aspiration pneumonia is a type of pneumonia.

A special type of aspiration pneumonia is lipoid pneumonia. It is dealt with in the lipoid pneumonia article.

General

  • Not associated with microorganisms - though empiric antibiotics are relatively common to cover infectious pneumonias that cannot be excluded easily on clinical grounds.[1]
  • Usually seen in the context of a toxin and/or pathology that affects the swallowing and cough reflexes.[2]

Common associations:[2]

Other risk factors:[1]

  • Traumatic brain injury.
  • Seizure disorder.
  • Bowel obstruction.
  • Drugs.
  • Obesity.
  • Labour.

Gross

  • More common in the right lung.
    • Right main stem bronchus is more vertical.

Microscopic

Features:

  • Neutrophils.
  • Foreign material, e.g. plant matter.
  • +/-Foreign body giant cells.
  • +/-Microorganisms.

DDx:

Images

See also

References

  1. 1.0 1.1 Raghavendran, K.; Nemzek, J.; Napolitano, LM.; Knight, PR. (Apr 2011). "Aspiration-induced lung injury.". Crit Care Med 39 (4): 818-26. doi:10.1097/CCM.0b013e31820a856b. PMID 21263315.
  2. 2.0 2.1 Ohrui, T. (Sep 2005). "Preventive strategies for aspiration pneumonia in elderly disabled persons.". Tohoku J Exp Med 207 (1): 3-12. PMID 16082150.