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[Congenital hypothyroidism]
1Zaklad Endokrynologii, Instytut Matki i Dziecka, Kasprzaka 17a, 01-211, Warszawa, Poland. imid@imid.med.pl
Insights
Congenital hypothyroidism, a common pediatric endocrine disease, requires early diagnosis through newborn screening. Prompt thyroxine treatment prevents intellectual disability in affected infants.
Area of Science:
- Paediatric Endocrinology
- Developmental Biology
- Genetics
Context:
- Congenital hypothyroidism (CH) is a frequent endocrine disorder in infants.
- Thyroid hormones are critical for fetal and early postnatal brain development.
- CH etiology involves thyroid gland development, function, or regulation anomalies.
Purpose:
- To summarize current knowledge on congenital hypothyroidism in children.
- To highlight the importance of early diagnosis and treatment.
- To review the etiologic factors and clinical presentation of CH.
Summary:
- CH is a prevalent pediatric endocrine condition.
- Early diagnosis via newborn screening and prompt thyroxine treatment are crucial.
- Thyroid hormone deficiency can cause irreversible intellectual disability if untreated.
Impact:
- Early detection and treatment of CH prevent cognitive impairment.
- Understanding CH etiology aids in developing targeted interventions.
- Effective management ensures normal neurodevelopmental outcomes in affected children.
Abstract:
Congenital hypothyroidism is one of the most common diseases in paediatric endocrinology. Thyroid hormones are essential in brain development, which takes place during foetal life and early postnatal life up to the 2nd year of age. The main etiologic factors of congenital hypothyroidism are anomalies of development, function and regulation of the thyroid gland. Clinical signs of thyroid hormone deficiency in infants are non-specific. Early diagnosis is based on newborn screening for congenital hypothyroidism, which was started in Poland in 1977. Treatment within the first days of life with appropriate dosage of thyroxine prevents mental retardation. This paper summarises current knowledge on congenital hypothyroidism in children.