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Osteoarticular infection due to Coxiella burnetii in children

J Cottalorda1, J L Jouve, G Bollini

  • 1Service de Chirurgie Infantile, Hôpital Nord, Saint-Etienne, France.

Insights

Q fever can cause chronic bone infections in children. Diagnosis is confirmed via Coxiella burnetii detection in biopsies, suggesting this cause may be underdiagnosed.

Area of Science:

  • Pediatric infectious diseases
  • Osteoarticular infections
  • Microbiology

Background:

  • Q fever is a zoonotic disease caused by Coxiella burnetii.
  • Chronic osteoarticular infections are serious complications.
  • Pediatric Q fever is less commonly reported.

Observation:

  • Three pediatric cases of chronic osteoarticular infections attributed to Q fever were identified.
  • Two cases demonstrated serologic confirmation of Coxiella burnetii via immunofluorescence in synovial and bone biopsies.
  • Clinical presentation included persistent bone and joint pain and inflammation.

Findings:

  • Direct immunofluorescence confirmed Coxiella burnetii in synovial fluid and bone tissue.
  • Serological testing supported the diagnosis in the affected children.
  • The study highlights the potential for Q fever to cause chronic bone infections in pediatric patients.

Implications:

  • These findings suggest that Q fever should be considered in the differential diagnosis of chronic pediatric osteoarticular infections.
  • Increased awareness and diagnostic vigilance for Coxiella burnetii are warranted in pediatric rheumatology and infectious disease settings.
  • Further research is needed to understand the pathogenesis and optimize management strategies for Q fever-related bone infections in children.

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