Thyroid function tests in pediatric patients with functional constipation that does not respond to osmotic laxative

Luis A Guerrero-Otero1, Rubén Peña-Vélez2, Israel Silva-Ojeda1

  • 1Pediatric Gastroenterology, Hepatology and Nutrition, Hospital General Dr. Eduardo Vázquez N..

Insights

Childhood constipation often involves gut-brain axis issues. This study investigated thyroid function in children with constipation unresponsive to osmotic laxatives, suggesting thyroid evaluation for refractory cases.

Area of Science:

  • Pediatrics
  • Endocrinology
  • Gastroenterology

Background:

  • Childhood constipation is common, often linked to gut-brain axis disorders.
  • While usually treated with osmotic laxatives, refractory cases warrant further investigation.
  • Hypothyroidism can present with constipation, though rarely.

Purpose of the Study:

  • To assess thyroid function in pediatric patients with functional constipation.
  • To determine the prevalence of thyroid dysfunction in children with treatment-resistant constipation.

Main Methods:

  • Retrospective analysis of pediatric patients diagnosed with functional constipation.
  • Evaluation of thyroid function tests (TSH, free T4) in patients unresponsive to osmotic laxatives.
  • Comparison of thyroid function between responsive and unresponsive groups.

Main Results:

  • A subset of children with refractory functional constipation exhibited abnormal thyroid function tests.
  • Thyroid dysfunction was more prevalent in the group with constipation unresponsive to initial treatment.
  • Specific thyroid abnormalities were identified in children with persistent symptoms.

Conclusions:

  • Thyroid function screening is recommended for children with functional constipation refractory to standard osmotic laxative therapy.
  • Undiagnosed hypothyroidism may contribute to persistent constipation in some pediatric cases.
  • Early identification of thyroid dysfunction can guide appropriate management and improve outcomes for refractory constipation.

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