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Chronic Q fever-related dual-pathogen endocarditis: case series of three patients

Linda M Kampschreur1, Jan Jelrik Oosterheert, Cornelia A de Vries Feyens

  • 1Division of Medicine, Department of Internal Medicine and Infectious Diseases, Room F02-107, University Medical Center Utrecht, P.O. Box 85500, 3508 GA Utrecht, Netherlands. l.m.kampschreur@umcutrecht.nl

Journal of Clinical Microbiology
|February 4, 2011
PubMed

Insights

Chronic Q fever, a complication of Coxiella burnetii infection, can cause endocarditis. This study highlights three cases of C. burnetii endocarditis co-occurring with other bacteria, emphasizing consideration for endemic Q fever.

Area of Science:

  • Infectious Diseases
  • Bacteriology
  • Cardiovascular Medicine

Background:

  • Coxiella burnetii infection can lead to chronic Q fever in 1-5% of cases.
  • Common manifestations include endocarditis, mycotic aneurysms, and vascular prosthesis infections.

Observation:

  • Presents three cases of endocarditis caused by C. burnetii.
  • These cases also involved a concurrent bacterial pathogen.

Findings:

  • Demonstrates the co-occurrence of C. burnetii endocarditis with other bacterial infections.
  • Highlights the diagnostic challenge of polymicrobial endocarditis in Q fever endemic areas.

Implications:

  • Suggests that chronic Q fever should be considered in all endocarditis patients from Q fever endemic regions.
  • Underscores the importance of considering co-infections in the management of C. burnetii endocarditis.

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