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Stool Toxin Concentration Does Not Distinguish Clostridioides difficile Infection from Colonization in Children Less

Thomas J Sandora1, David N Williams2, Kaitlyn Daugherty3

  • 1Division of Infectious Diseases, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Journal of the Pediatric Infectious Diseases Society
|July 8, 2022
PubMed

Insights

Toxin levels in young children with Clostridioides difficile (C. difficile) do not reliably differentiate infection from colonization. Further research is needed to distinguish between C. difficile infection and colonization in pediatric patients.

Area of Science:

  • Pediatric Infectious Diseases
  • Microbiology
  • Clinical Diagnostics

Background:

  • Clostridioides difficile is a significant cause of infectious diarrhea in children.
  • Distinguishing between C. difficile infection and asymptomatic colonization is clinically important for appropriate treatment.
  • Current diagnostic methods may not adequately differentiate infection from colonization in young children.

Purpose of the Study:

  • To investigate whether ultrasensitive and quantitative toxin measurements can differentiate C. difficile infection from colonization in children under 3 years old.
  • To assess the utility of toxin concentration as a biomarker in pediatric C. difficile cases.

Main Methods:

  • Prospective cohort study design.
  • Collection and analysis of stool samples from children under 3 years old.
  • Ultrasensitive and quantitative measurement of C. difficile toxin concentrations in cases and controls.

Main Results:

  • Toxin concentration distributions substantially overlapped between children with C. difficile infection (37 cases) and those without diarrhea (46 controls).
  • Quantitative toxin levels did not show a clear separation between infected and colonized individuals.
  • The findings suggest limited utility of toxin concentration alone for diagnosis.

Conclusions:

  • Toxin concentration is insufficient to reliably distinguish C. difficile infection from colonization in young children.
  • Further investigation into novel biomarkers or diagnostic strategies is warranted for pediatric C. difficile diagnosis.
  • Clinical management decisions should consider factors beyond toxin concentration in this age group.

Keywords:
Clostridioides difficilepediatrics

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