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Congenital hypothyroidism
Vandana Jain1, Ramesh Agarwal, Ashok K Deorari
1Division of Pediatric Endocrinology, All India Institute of Medical Sciences Ansari Nagar, New Delhi, India.
Indian Journal of Pediatrics
|June 10, 2008
Summary
Congenital Hypothyroidism (CH) screening detects infants needing thyroid hormone replacement. Early L-thyroxine treatment before two weeks of age ensures the best developmental outcomes for affected newborns.
Area of Science:
- Pediatrics
- Endocrinology
- Neonatology
Background:
- Congenital Hypothyroidism (CH) is a leading preventable cause of intellectual disability.
- Affects 1 in 4000 live births globally.
- Early detection and treatment are crucial for optimal neurodevelopment.
Purpose of the Study:
- To outline the screening, diagnosis, and management of Congenital Hypothyroidism.
- To emphasize the importance of timely L-thyroxine initiation for favorable outcomes.
Main Methods:
- Universal screening for CH at 3-4 days of age.
- Confirmation of screening values (low T4, high TSH) with venous samples.
- Initiation of L-thyroxine therapy (10-15 microg/kg/day) upon diagnosis.
Main Results:
- Early treatment (before 2 weeks) with appropriate L-thyroxine dosage (>9.5 microg/kg/day) leads to the best outcomes.
- Regular monitoring ensures T4 levels remain in the upper normal range.
Conclusions:
- Timely diagnosis and treatment of CH are essential to prevent mental retardation.
- Adherence to screening protocols and therapeutic guidelines maximizes developmental potential in affected infants.
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