Lung abscess: Difference between revisions
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Revision as of 10:00, 16 August 2019
Microbiology
- Usually polymicrobial, including oral anaerobes
- Can also be monomicrobial, caused by Klebsiella, Staphylococcus aureus, Pseudomonas aeruginosa, Burkholderia pseudomallei (melioidosis), Pasteurella multocida, group A streptococcus, Haemophilus influenzae types b and c, Legionella spp., Rhodococcus equi, Actinomyces spp., and Nocardia spp.
Pathophysiology
- Mostly from chronic aspiration
Risk Factors
- Chronic aspiration from any etiology
- Alcohol use disorder
- Seizures, stroke, drug overdose, general anesthesia
- Dysphagia or respiratory dysfunction from ALS, Parkinson’s disease, or stroke
- Tooth extraction
Management
- Antibiotics
- Rarely, surgical intervention
