Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?

Studies in preterm infants have shown that prolonged treatment with topical iodine (multiple doses, often over multiple days) can transiently suppress thyroid function. However, it is uncertain if topical iodine exposure for very short periods of time can cause significant changes in thyroid functio...

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Main Authors: Jordan E. Pinsker, Krista McBayne, Mary Edwards, Kirk Jensen, David F. Crudo, Andrew J. Bauer
Format: Article
Language:English
Published: Elsevier 2013-04-01
Series:Pediatrics and Neonatology
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Online Access:http://www.sciencedirect.com/science/article/pii/S1875957212001660
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author Jordan E. Pinsker
Krista McBayne
Mary Edwards
Kirk Jensen
David F. Crudo
Andrew J. Bauer
author_facet Jordan E. Pinsker
Krista McBayne
Mary Edwards
Kirk Jensen
David F. Crudo
Andrew J. Bauer
author_sort Jordan E. Pinsker
collection DOAJ
description Studies in preterm infants have shown that prolonged treatment with topical iodine (multiple doses, often over multiple days) can transiently suppress thyroid function. However, it is uncertain if topical iodine exposure for very short periods of time can cause significant changes in thyroid function. We report two cases of transient hypothyroidism in preterm infants after short-term exposure to topical iodine during surgical preparation, and review their clinical and laboratory findings before and after iodine exposure. We conclude that premature infants are at risk of developing transient hypothyroidism in response to a single, short-term exposure to topical iodine, even in iodine-sufficient geographical areas. We advise monitoring of thyroid function in these infants after iodine exposure, as treatment with levothyroxine may be needed for a limited duration to prevent the sequelae of untreated hypothyroidism. Consideration of using alternative cleansing agents is also advised.
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spelling doaj-art-b6ee10b59fe74a3a8f2bdd6376422cc92025-08-20T03:51:59ZengElsevierPediatrics and Neonatology1875-95722013-04-0154212813110.1016/j.pedneo.2012.10.005Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?Jordan E. Pinsker0Krista McBayne1Mary Edwards2Kirk Jensen3David F. Crudo4Andrew J. Bauer5Department of Pediatrics, Tripler Army Medical Center, Honolulu, HI, USADepartment of Pediatrics, Tripler Army Medical Center, Honolulu, HI, USADepartment of Surgery, Tripler Army Medical Center, Honolulu, HI, USADepartment of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD, USADepartment of Pediatrics, Wake Forest University, School of Medicine, Winston-Salem, NC, USADepartment of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD, USAStudies in preterm infants have shown that prolonged treatment with topical iodine (multiple doses, often over multiple days) can transiently suppress thyroid function. However, it is uncertain if topical iodine exposure for very short periods of time can cause significant changes in thyroid function. We report two cases of transient hypothyroidism in preterm infants after short-term exposure to topical iodine during surgical preparation, and review their clinical and laboratory findings before and after iodine exposure. We conclude that premature infants are at risk of developing transient hypothyroidism in response to a single, short-term exposure to topical iodine, even in iodine-sufficient geographical areas. We advise monitoring of thyroid function in these infants after iodine exposure, as treatment with levothyroxine may be needed for a limited duration to prevent the sequelae of untreated hypothyroidism. Consideration of using alternative cleansing agents is also advised.http://www.sciencedirect.com/science/article/pii/S1875957212001660hypothyroidismiodineinfant
spellingShingle Jordan E. Pinsker
Krista McBayne
Mary Edwards
Kirk Jensen
David F. Crudo
Andrew J. Bauer
Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
Pediatrics and Neonatology
hypothyroidism
iodine
infant
title Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
title_full Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
title_fullStr Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
title_full_unstemmed Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
title_short Transient Hypothyroidism in Premature Infants After Short-term Topical Iodine Exposure: An Avoidable Risk?
title_sort transient hypothyroidism in premature infants after short term topical iodine exposure an avoidable risk
topic hypothyroidism
iodine
infant
url http://www.sciencedirect.com/science/article/pii/S1875957212001660
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AT maryedwards transienthypothyroidisminprematureinfantsaftershorttermtopicaliodineexposureanavoidablerisk
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