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Legionella pneumophila Outer Membrane Vesicles: Isolation and Analysis of Their Pro-inflammatory Potential on Macrophages
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Chronic endocarditis due to Legionella anisa: a first case difficult to diagnose

F Compain1, P Bruneval1, S Jarraud2

  • 1Microbiology, AP-HP, Hôpital Européen Georges Pompidou, Paris, France ; Université Paris Descartes, Paris, France ; Institut National de la Santé et de la Recherche Médicale, France.

New Microbes and New Infections
|December 23, 2015
PubMed

Insights

Legionella anisa can cause chronic native valve endocarditis, a rare condition. Early diagnosis requires collaboration between medical specialists for effective treatment.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Legionella species are common environmental bacteria.
  • Legionella endocarditis is infrequently diagnosed.
  • Native valve endocarditis poses significant clinical challenges.

Observation:

  • A rare case of chronic native valve endocarditis caused by Legionella anisa is presented.
  • This represents the first reported instance of L. anisa-induced endocarditis.
  • The patient's presentation highlights the unusual nature of this infection.

Findings:

  • Legionella anisa identified as the causative agent of endocarditis.
  • Chronic native valve involvement confirmed.
  • The case underscores the potential for Legionella to cause endocarditis.

Implications:

  • Increased awareness of Legionella as a potential cause of endocarditis is warranted.
  • Diagnostic criteria for endocarditis should consider Legionella species.
  • Multidisciplinary collaboration is crucial for accurate diagnosis and management of rare infectious diseases.
Keywords:
16S rDNA PCRLegionelladiagnosisendocarditishistologic analysis

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