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Thyroid function in very low birthweight infants after intravenous administration of the iodinated contrast medium iopromide



Thyroid function in very low birthweight infants after intravenous administration of the iodinated contrast medium iopromide



Archives of Disease in Childhood. Fetal and Neonatal Edition 82(3): F215-F217



Background-Thyroid function disorders have often been observed in preterm infants after intravenous administration of iodinated contrast medium. The effect on thyroid function depends on the dosage, but the choice of the contrast medium may be equally important, as there are appreciable pharmacological differences between them. Method-Thyroid function was analysed in 20 very low birthweight infants of gestational age less than 30 weeks after injection of iopromide, a monomeric nonionic iodinated contrast medium. Levels of free thyroxine and thyroid stimulating hormone were compared with those in 26 control infants. Results-Free thyroxine levels in all study infants ranged from 9.0 to 25.7 pmol/l (days 14-21) and 9.0 to 23.2 pmol/l (days 35-49), and thyroid stimulating hormone levels ranged from 0.13 to 0.26 mU/l (days 14-21) and 0.26 to 11.11 mU/l (days 35-49). These levels were not altered after injection of iopromide. Conclusion-The risk of transient hypothyroidism or hyperthyrotropinaemia may be reduced with the use of iopromide compared with other contrast media.

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Accession: 011569099

Download citation: RISBibTeXText

PMID: 10794789

DOI: 10.1136/fn.82.3.f215


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