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Transient primary hypothyroidism in prematures
Clinical Pediatrics
|July 1, 1987
Insights
Sick newborns, particularly premature infants, can experience temporary primary hypothyroidism. Most infants recovered fully within two months of treatment cessation, suggesting iodine deficiency as a potential cause.
Area of Science:
- Neonatal Medicine
- Endocrinology
- Pediatrics
Background:
- Transient primary hypothyroidism is observed in sick neonates.
- Premature infants are particularly susceptible to this condition.
Purpose of the Study:
- To investigate the occurrence and characteristics of transient primary hypothyroidism in sick neonates.
- To explore potential etiologic factors, including iodine deficiency, in the pathogenesis of this condition.
Main Methods:
- Clinical observation and biochemical assessment of twelve sick neonates with transient primary hypothyroidism.
- Follow-up evaluation of patients after cessation of treatment to assess recovery.
Main Results:
- Ten out of twelve affected neonates were premature.
- All followed neonates achieved clinical and biochemical euthyroid status two months after treatment cessation.
Conclusions:
- Transient primary hypothyroidism is a reversible condition in sick neonates.
- Iodine deficiency is a likely precipitating factor in the development of transient hypothyroidism among premature infants.
Abstract:
Twelve sick neonates, ten of whom were prematures, were found to have transient primary hypothyroidism. Two months after cessation of treatment all those followed were found to be clinically and biochemically euthyroid. The possible etiologic factors in the pathogenesis of transient hypothyroidism of the sick prematures are discussed. Iodine deficiency is probably an important precipitating cause.