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Thyroid function in premature infants. The hypothyroxinemia of prematurity
1Harbor-UCLA Medical Center, Torrance, USA.
Abstract:
Advances of perinatal and neonatal medicine have been associated with a progressive reduction in mortality of premature infants and a progressive increase in number of the surviving very low birth weight (VLBW) cohort less than 28 to 32 weeks gestation age. Hypothalamic-pituitary-thyroid (HPT) function is immature in most premature infants, and this is particularly true of the VLBW group. Accumulated information has allowed development of a unique nosology of HPT system disorders in these infants to facilitate thyroid function testing, test interpretation, and patient management.
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