Aspiration pneumonia bacterial infection: Difference between revisions
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==History and symptoms== | ==History and symptoms== | ||
The manifestation depends on: | ===The manifestation depends on:=== | ||
* The bacteria involved | * The bacteria involved | ||
* Time since aspiration to diagnosis | * Time since aspiration to diagnosis | ||
* Immune status of the host | * Immune status of the host | ||
===Symptoms=== | |||
* Indolent course | |||
* Productive [[cough]] | |||
* [[Fever]] | |||
* Absence of [[chills]] and [[rigors]] | |||
* [[Dyspnea]] | |||
* [[Anorexia]], weight loss | |||
* [[Anemia]] | |||
==Risk factors== | ==Risk factors== | ||
* Poor dental hygiene is a risk factor | * Poor dental hygiene is a risk factor |
Revision as of 18:15, 8 September 2012
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Editor(s)-in-Chief: C. Michael Gibson, M.S., M.D. [1] Phone:617-632-7753; Associate Editor(s)-In-Chief: Priyamvada Singh, M.D. [2]
Overview
Aspiration pneumonia caused by bacterial infection is the commonest subtype of aspiration pneumonia. The other subtypes being chemical pneumonia, and airway obstructions.
Causes
- Normal flora of upper airways, gingival cavity or stomach.
- Caused by less virulent bacteria, such as anaerobes and aerobic or microaerophilic streptococci
History and symptoms
The manifestation depends on:
- The bacteria involved
- Time since aspiration to diagnosis
- Immune status of the host
Symptoms
- Indolent course
- Productive cough
- Fever
- Absence of chills and rigors
- Dyspnea
- Anorexia, weight loss
- Anemia
Risk factors
- Poor dental hygiene is a risk factor
- Patients with good dental hygiene and edentulous are less predisposed