Lung abscess
Keywords:
Lung abscess, Anaerobic bacteria, Aspiration pneumoniaAbstract
A lung abscess is defined as an infectious process caused by
pyogenic bacteria, localized and confined to the lung parenchyma,
with tissue necrosis, suppuration and cavitations.
The lung abscess is more frequent in patients predisposed to
aspiration frequently due to altered mental status (alcoholism,
epilepsy, stroke, among others).
In the pre-antibiotic era, the mortality of patients with lung
abscess was 33% whereas today with the appropriate medical
treatment we are able to save 90% of these patients.
However the emergence of antibiotic resistant strains, once
considered the gold standard, is becoming a concern in such
patients. We discuss the pathophysiology, microbiology, diagnostic
methods and treatment of lung abscess.
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