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Coxiella burnetii Endocarditis: A Case Report

Carolina António Santos1, Inês Parreira1, Ana Alves Cardoso1

  • 1Department of Internal Medicine, Unidade Local de Saúde Santa Maria, Lisbon, PRT.

Cureus
|July 18, 2025
PubMed

Insights

Q fever endocarditis, caused by Coxiella burnetii, can be asymptomatic and challenging to diagnose. Early detection and targeted therapy are crucial for managing this serious zoonotic infection.

Area of Science:

  • Infectious Diseases
  • Bacteriology
  • Cardiology

Background:

  • Q fever is a zoonotic disease caused by Coxiella burnetii, with livestock as reservoirs.
  • Human transmission occurs primarily through inhalation of contaminated aerosols.
  • Infective endocarditis is a severe manifestation of chronic Q fever.

Observation:

  • This report details a case of asymptomatic Q fever endocarditis.
  • The study outlines the diagnostic process for this challenging presentation.
  • It also describes the treatment and follow-up of the patient.

Findings:

  • Coxiella burnetii endocarditis presents diagnostic challenges due to varied clinical manifestations.
  • Serological tests are key for diagnosing Q fever.
  • Asymptomatic cases highlight the need for vigilance in diagnosis.

Implications:

  • Rapid diagnosis of Q fever endocarditis is critical for timely intervention.
  • Effective treatment involves antibiotic therapy, potentially with surgical options.
  • Understanding asymptomatic presentations improves clinical awareness and patient outcomes.
Keywords:
coxiella burnetii infectionendocarditismechanical valveq-feverzoonosis

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