Chapter

Legionnaires’ disease

John Macfarlane

in Acute Respiratory Infections

Published on behalf of Oxford University Press

Published in print July 2012 | ISBN: 9780199588084
Published online October 2012 | e-ISBN: 9780191739668 | DOI: http://dx.doi.org/10.1093/med/9780199588084.003.0009

Series: Oxford Respiratory Medicine Library

Legionnaires’ disease

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Key points

Legionnaires’ disease is an uncommon but important cause of pneumonia with a unique mode of spread - Legionella infection tends to result in moderate or severe pneumonia sometimes complicated by respiratory and other organ failure and is associated with a 12% mortality overall - Early diagnosis and management has been revolutionized with the availability of a rapid legionella urinary antigen test - The legionella urinary antigen test should be requested on all patients presenting with severe pneumonia, and also for those whom legionella is suspected for epidemiological or other reasons - A fluoroquinolone is the preferred antibiotic for proven legionella pneumonia - Investigating the source of the infection is essential in preventing further cases.

Chapter.  2843 words. 

Subjects: Respiratory Medicine and Pulmonology ; Infectious Diseases

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