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Hypothyroidism in infants with nephrotic syndrome
1Paediatric Renal Service, King Fahad National Guard Hospital, Riyadh, Saudi Arabia.
Pediatric Nephrology (Berlin, Germany)
|December 1, 1994
Summary
Infants with nephrotic syndrome may have hypothyroidism, indicated by abnormal thyroid function tests. Early thyroid screening and thyroxine (T4) replacement therapy are recommended for affected infants.
Area of Science:
- Pediatric Endocrinology
- Nephrology
- Thyroidology
Background:
- Nephrotic syndrome in infants can be associated with endocrine dysfunction.
- Thyroid hormone levels are crucial for normal development and metabolic function in early life.
Purpose of the Study:
- To investigate thyroid function in infants diagnosed with nephrotic syndrome.
- To determine the prevalence of hypothyroidism in this pediatric population.
Main Methods:
- Studied thyroid function indices (free tri-iodothyronine [FT3], free thyroxine [FT4], thyroid-stimulating hormone [TSH]) in five infants with nephrotic syndrome.
- Administered thyroxine (T4) replacement therapy to four patients with primary hypothyroidism.
- Assessed adrenal function in three patients.
Main Results:
- Four out of five infants presented with primary hypothyroidism (low FT3/FT4, high TSH).
- T4 therapy normalized TSH in all four treated patients and FT4 in three.
- No significant changes in FT3 levels were observed post-therapy.
- Adrenal function tests were normal in the assessed patients.
Conclusions:
- A hypothyroid state is present in a significant proportion of infants with nephrotic syndrome.
- Routine thyroid function screening and prompt T4 replacement therapy are advised for infants with nephrotic syndrome.