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Pediatric acute Q fever mimics other common childhood illnesses

Ingeborg Y Bart1, Yvonne Schabos1, Roeland W N M van Hout2

  • 1Department of Pediatrics, Jeroen Bosch Hospital's-Hertogenbosch, The Netherlands.

Plos One
|February 13, 2014
PubMed

Insights

Diagnosing pediatric Q fever (Coxiella burnetii infection) is challenging as symptoms mimic common childhood illnesses. Clinical signs have no predictive value; only diagnostic tests reliably identify acute Q fever in children.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Microbiology

Background:

  • Q fever research predominantly focuses on adults, leaving pediatric data scarce.
  • Current understanding of pediatric Q fever relies heavily on case reports.
  • Limited knowledge exists regarding predictors for acute Q fever in children.

Purpose of the Study:

  • To identify predictors for acute Q fever in the pediatric population.
  • To analyze clinical presentations and diagnostic outcomes in children tested for Coxiella burnetii.

Main Methods:

  • Retrospective study of children tested for Coxiella burnetii (serology and/or PCR) between 2007-2011.
  • Analysis of 1061 pediatric patients referred by general practitioners during a Q fever outbreak.
  • Evaluation of symptoms, diagnostic tests, and outcomes.

Main Results:

  • Influenza-like illness and respiratory tract infections were common presentations.
  • No specific symptom or sign showed predictive value for a positive Q fever test outcome.
  • Diagnostic tests were the sole reliable method for identifying Q fever.

Conclusions:

  • Clinical presentation alone is insufficient for diagnosing pediatric Q fever.
  • Diagnostic testing is essential for accurate identification of Coxiella burnetii infection in children.
  • The mild, uncomplicated course of pediatric Q fever raises questions about the clinical significance of diagnostic challenges.

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