Transient hypothyroidism associated with short gut syndrome
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Infants with short gut syndrome may develop transient hypothyroidism. Early diagnosis and treatment are crucial to prevent developmental delays in these vulnerable patients.
Area of Science:
- Pediatric Gastroenterology
- Endocrinology
- Neonatal Care
Background:
- Short gut syndrome presents significant challenges in infant management, often requiring total parenteral nutrition.
- Postoperative oral feeding is typically initiated around five weeks, but complications like diarrhea and malabsorption can persist.
Observation:
- Two infants with short gut syndrome developed hypothyroidism at 4 and 6 months of age.
- Clinical signs of hypothyroidism included hypothyroxinemia, confirmed by low serum T4 levels.
Findings:
- Hormonal treatment led to clinical recovery and normalization of T4 levels.
- Thyroid function normalized after treatment cessation, indicating transient hypothyroidism.
Implications:
- This previously unreported association highlights the need for early recognition of hypothyroidism in short gut infants.
- Prompt diagnosis and treatment are essential to prevent potential long-term neurodevelopmental deficits, including mental retardation.
Abstract:
Two consecutive short gut babies with a residual small intestinal length of 44 and 46 cm, respectively, were managed initially by total parenteral nutrition and oral feedings begun around the fifth week postoperatively. Uncontrollable diarrhea, malabsorption, and failure to thrive made the early management of these babies a difficult problem. The two infants developed clinical features of hypothyroidism at the age of 4 and 6 mo, respectively. Hypothyroxinemia was confirmed by repeated detection of low serum levels of T4. Hormonal treatment resulted in clinical recovery and normalized T4 values. Thyroid function has remained normal after discontinuation of treatment, underlining the transient nature of hypothyroidism. Early recognition and therapy of this previously unreported association is essential in order to prevent mental retardation.