alexa Neurodevelopment of preterm infants born at 28 to 36 weeks of gestational age: the role of hypothyroxinemia and long-term outcome at 4 years.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Steroids & Hormonal Science

Author(s): Ares S, Quero J, Diez J, Morreale de Escobar G

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Abstract CONTEXT: Hypothyroxinemia in premature neonates may affect long-term neurodevelopment. OBJECTIVE: This study aimed to examine the effects of hypothyroxinemia of the newborn preterm infants born at 28-36 weeks of gestational age (GA) on the neurodevelopment at 4 years of age. PATIENTS: Prospective observational cohort study conducted in Madrid, Spain. Forty-six preterm infants were included in the study. MAIN OUTCOME: The effects of the exposure to neonatal hypothyroxinemia on mental development were examined. RESULTS: Using regression analyses we found that neonatal T4 had a positive association with general cognitive index and Verbal index, and neonatal FT4 with general cognitive and Memory indexes at 4 years of age. CONCLUSIONS: The exposure to hypothyroxinemia during the neonatal period of late preterm infants may play role in neurodevelopmental delays. Higher T4 level means a trend to higher indexes and low T4 level means a lower neurodevelopmental indexes at 4 years of age.
This article was published in J Pediatr Endocrinol Metab and referenced in Journal of Steroids & Hormonal Science

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