[Soluble transferrin receptor's value in diagnosis infants and small children iron deficiency]

Elzbieta Dółka1, Barbara Kamer, Jolanta Lukamowicz

  • 1Instytut Centrum Zdrowia Matki Polki w Łodzi, II Klinika Pediatrii i Alergologii.

Insights

Soluble transferrin receptor (sTfR) testing is a reliable indicator for diagnosing iron deficiency anemia in young children. This method offers high accuracy, simplifying the diagnostic process for pediatric iron status.

Area of Science:

  • Pediatric Hematology
  • Biochemistry
  • Nutritional Science

Context:

  • Iron deficiency is the most common nutritional deficiency globally, particularly affecting infants and young children.
  • Accurate diagnosis of iron deficiency anemia (IDA) in children requires complex hematological and biochemical tests.
  • Previous research on soluble transferrin receptor (sTfR) for iron deficiency diagnosis has primarily focused on adults.

Purpose:

  • To evaluate the utility of soluble transferrin receptor (sTfR) levels for diagnosing iron deficiency anemia in children up to three years of age.
  • To assess the diagnostic performance of sTfR in differentiating various iron status categories in pediatric populations.

Summary:

  • This study investigated 98 children aged 6-36 months, categorizing them into five groups based on hematological and biochemical assessments, including iron deficiency anemia, latent iron deficiency, and controls.
  • Soluble transferrin receptor (sTfR) levels were measured in all participants, and its specificity, sensitivity, and overall accuracy were evaluated.
  • Results indicated significantly higher average sTfR levels in children with iron deficiency compared to those without, with specificity and sensitivity exceeding 90% across all groups.

Impact:

  • The findings suggest that sTfR level is a valuable and accurate biomarker for assessing iron status in infants and young children.
  • This research provides evidence for a simpler and more effective diagnostic tool for pediatric iron deficiency, potentially improving early detection and management.
  • The high accuracy of sTfR testing could streamline the diagnostic pathway for iron deficiency in pediatric care settings.
Abstract