TSH suppression after intravenous glucocorticosteroid administration in preterm infants

Tomoyuki Shimokaze, Katsuaki Toyoshima, Jun Shibasaki, Masafumi Miyata, Makiko Ohyama, Motoyoshi Kawataki, Rikuo Hoshino, Yasufumi Itani

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Background: Reports have described that, in adults, steroids suppress thyroid-stimulating hormone (TSH) and triiodothyronine (T3) and might suppress thyroxine (T4). No data have been reported for thyroid hormone changes before or after administration of glucocorticoid in preterm infants. Aims: The aim of this study was to investigate short-term effects of thyroid hormones on preterm infants. Index cases: We measured TSH, free T3 (FT3), and free T4 (FT4) before and after one or two doses of glucocorticoids administered to five infants at 29-37 weeks of corrected gestational age. Results: Comparison of thyroid hormone levels before and 1 day after glucocorticoid administration showed that TSH significantly decreased by 76% (64%-87%), FT3 by 33% (10%-50%), and FT4 by 10% (3%-17%). The decline in TSH and FT3 was followed by an increase around the pretreatment level at 3-15 days after glucocorticoid administration. In two of the five infants, FT4 continued to decrease from 1 day after glucocorticoid administration. Conclusions: In preterm infants, assessing thyroid hormones after glucocorticoid therapy demands caution because very short-term administration causes marked changes.

本文言語English
ページ(範囲)853-857
ページ数5
ジャーナルJournal of Pediatric Endocrinology and Metabolism
25
9-10
DOI
出版ステータスPublished - 01-10-2012

All Science Journal Classification (ASJC) codes

  • 小児科学、周産期医学および子どもの健康
  • 内分泌学、糖尿病および代謝内科学
  • 内分泌学

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