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Lung Abscess

Reviewed 06/2018
 


BASICS

DESCRIPTION

  • The term lung abscess refers to a microbial infection of the lung that results in necrosis of pulmonary parenchyma typically forming a single walled-off cavity >2 cm in diameter (...

DIAGNOSIS

HISTORY

  • Usually a smoldering infection with subacute to chronic course of symptoms

  • Most patients report a subjective fever, usually low grade, without rigors and chills.

  • “Putrid” cough, foul sm...

TREATMENT

MEDICATION

First Line

In immunocompetent hosts, clindamycin 600 mg 8h IV followed by 300 mg q6h PO after defervescence and clinical stability has been shown most effective (4)[A]. 

Second Line

  • I...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

  • Monitor disease progression as well as side effects of antibiotics particularly Clostridium difficile infection.

  • Emphasize alcohol cessation.

DIET

No restrictions 

PATIENT EDUCATION

REFERENCES

1
Moreira Jda S, Camargo Jde JP, Felicetti JC, et al. Lung abscess: analysis of 252 consecutive cases diagnosed between 1968 and 2004. J Bras Pneumol.  2006;32(2):136–143. [View Abstrac...

ADDITIONAL READING

  • Bartlett JG. How important are anaerobic bacteria in aspiration pneumonia: when should they be treated and what is optimal therapy. Infect Dis Clin North Am.  2013;27(1):149–15...

SEE ALSO

Pneumonia, Bacterial 

CODES

ICD10

  • J85.2 Abscess of lung without pneumonia

  • J85.1 Abscess of lung with pneumonia

  • A06.5 Amebic lung abscess

  • J85.3 Abscess of mediastinum

ICD9

  • 513.0 Abscess of lung

  • 006.4 Amebic lung abscess

  • 513.1 Absce...

CLINICAL PEARLS

  • Aspiration of oral bacteria into the dependent regions of the lung usually causes lung abscesses. These are typically presumed to be polymicrobial infections with anaerobes and respond...

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