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[Thyroid function in protein-caloric malnutrition in infants (author's transl)]
Annales D'Endocrinologie
|January 1, 1978
Summary
Protein-caloric malnutrition severely impacts thyroid function in Senegalese children, reducing iodine uptake and hormone secretion. Despite hypothyroidism, thyroid-stimulating hormone (TSH) levels remain unexpectedly normal.
Area of Science:
- Endocrinology
- Nutritional Science
- Pediatrics
Context:
- Protein-caloric malnutrition (PCM) is a significant health concern in developing regions.
- Thyroid dysfunction is a known complication of severe malnutrition.
- Understanding these effects is crucial for managing affected children.
Purpose:
- To investigate iodine kinetics and thyroid function in Senegalese children with PCM.
- To characterize the specific alterations in thyroid hormone levels and TSH secretion.
- To elucidate the relationship between malnutrition and thyroid hormone metabolism.
Summary:
- PCM in Senegalese children leads to reduced iodine uptake and clearance.
- Thyroid hormone secretion rates (T4) decrease significantly, with low total and free T4 levels.
- Triiodothyronine (T3) is also low, potentially due to impaired T4 to T3 conversion, yet TSH remains unsuppressed.
Impact:
- Highlights the complex interplay between nutrition and thyroid regulation.
- Suggests a unique adaptive mechanism or a distinct pathophysiology in malnourished children.
- Informs potential therapeutic strategies for thyroid dysfunction in PCM.