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Bacterial infections in childhood: A risk factor for gastrointestinal and other diseases?

Juliane Schwille-Kiuntke1, Alexandra Unverdorben1, Katja Weimer1

  • 1University Hospital, Department of Internal Medicine VI: Psychosomatic Medicine and Psychotherapy, Tuebingen, Germany.

United European Gastroenterology Journal
|February 6, 2015
PubMed

Insights

Children with a history of Salmonella infection reported more abdominal pain and headaches, suggesting a link between gastrointestinal infections and post-infectious symptoms. However, the findings may indicate a psychosocial mechanism rather than a specific Salmonella effect.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Public Health

Background:

  • Post-infectious irritable bowel syndrome (PI-IBS) is established in adults, but its occurrence in children is less understood.
  • The German Health Interview and Examination Survey for Children and Adolescents (KiGGS) provides a large dataset for investigating childhood health outcomes.

Purpose of the Study:

  • To investigate the prevalence and characteristics of post-infectious symptoms in children following Salmonella infection.
  • To compare health outcomes in children with and without a history of Salmonella infection, and to assess the specificity of these findings using a control group with scarlet fever history.

Main Methods:

  • A cohort of 643 children with a history of Salmonella infection was identified within the KiGGS cohort (N=15,878).
  • Data on sociodemographic characteristics, pain (abdominal pain, headache), and quality of life were compared between infected and non-infected children.
  • A control group with a history of scarlet fever was used to evaluate the specificity of observed associations.

Main Results:

  • The Salmonella infection group (ages 3-10) showed significantly higher rates of abdominal pain (31.7% vs. 21.9%) and headache (27.2% vs. 15.1%) compared to controls.
  • Children with a history of Salmonella infection reported a lower quality of life.
  • Comparisons with the scarlet fever group indicated poor specificity of the observed symptoms, suggesting a potential non-specific mechanism.

Conclusions:

  • Gastrointestinal infections like Salmonella may play a role in the development of post-infectious abdominal issues in children.
  • The lack of specificity in symptoms suggests that psychosocial factors (somatization) might be involved in the development of these conditions, rather than a direct Salmonella-specific effect.
Abstract

Keywords:
Abdominal painchildrenpost-infectious irritable bowel syndromeprevalencesalmonella infection

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