Why the study?
Myocarditis can occur as a rare extrapulmonary complication of Legionnaires' disease.
Legionella pneumonia can rarely be complicated by myocarditis, which may present with severe but reversible left ventricular systolic dysfunction.
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Suggests reversible LV dysfunction may complicate Legionella myocarditis; leaves open prevalence and need for prospective confirmation.
Legionnaires' disease caused by the bacteria Legionella pneumophila, is considered a type of atypical pneumonia. The disease usually presents with dyspnea, cough, fever, muscle aches, headache, nausea, and vomiting. A milder form of the disease (Pontiac fever) with flu-like illness also exists. In addition to lung infection, extrapulmonary manifestations might occur including sepsis, rhabdomyolysis, neurological impairment, kidney, and liver damage. Myocarditis can be seen as a rare complication in Legionnaires' disease. Here, we are presenting a case of Legionnaires' disease associated with myocarditis in a patient with no predisposing risk factors for severe illness.
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Jarrah et al. (2023) studied this question.
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