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Physical and intellectual development in children with congenital hypothyroidism
E Karahanyan1, J Milousheva, C Dimitrov
1Department of Pediatrics, University of Medicine, Plovdiv, Bulgaria.
Insights
Early diagnosis and consistent treatment of congenital hypothyroidism (CH) are crucial for normal development. Delayed diagnosis or irregular treatment in 29% of patients led to intellectual deficits, highlighting the importance of timely intervention.
Area of Science:
- Pediatrics
- Endocrinology
- Genetics
Background:
- Congenital hypothyroidism (CH) is a common endocrine disorder in newborns.
- Early detection and treatment are vital to prevent developmental delays.
- Untreated or inadequately treated CH can lead to irreversible intellectual disability.
Purpose of the Study:
- To evaluate the physical and mental development of children with congenital hypothyroidism.
- To identify factors influencing developmental outcomes in CH patients.
- To emphasize the importance of timely diagnosis and consistent treatment.
Main Methods:
- Retrospective analysis of 24 patients with congenital hypothyroidism (CH).
- Assessment of physical and mental development based on diagnosis age, treatment initiation, and adherence.
- Categorization of developmental outcomes (normal vs. intellectual disability).
Main Results:
- 71% of patients exhibited normal physical and mental development.
- 29% of patients presented with intellectual disability.
- Delayed diagnosis and irregular treatment were associated with poorer intellectual outcomes.
Conclusions:
- Timely diagnosis and consistent hormone replacement therapy are critical for optimal neurodevelopment in CH.
- Delayed diagnosis and inconsistent treatment contribute to intellectual deficits in a significant proportion of CH patients.
- Adherence to treatment protocols and regular monitoring are essential for managing congenital hypothyroidism effectively.
Abstract:
Twenty four patients (14 girls and 10 boys aged six months to 23 years) with congenital hypothyroidism were studied. The diagnoses of all subjects were made 15 days to one year after birth. After being diagnosed, each child was started immediately on replacement hormonotherapy. Parameters of their physical and mental development were analyzed depending on the type of thyroid disorder, patient age at the beginning of treatment and the adequacy of treatment. These parameters were within the normal limits for 71 percent of the patients. However, the remaining 29 percent of the patients were mentally retarded. The authors' assumption is that the lower intellectual parameters for these patients were primarily a result of delayed diagnoses and irregularly conducted treatments in household surroundings.