Mild iodine deficiency during fetal/neonatal life and neuropsychological impairment in Tuscany

Fabrizio Aghini Lombardi, A. Pinchera, L. Antonangeli, T. Rago, L. Chiovato, S. Bargagna, B. Bertucelli, G. Ferretti, B. Sbrana, M. Marcheschi, P. Vitti

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Abstract

The neuropsychological performance of schoolchildren living in areas with present and past iodine deficiency in Tuscany was investigated. Children were submitted to: a) block design subtest of the Wechsler Intelligence Scale for Children-Revised (WISC-R) and a modified version of the WISC-R coding subtest which evaluate the general neuropsychological and cognitive performance, independently from familial cultural background; b) simple reaction time (RT) session which evaluates the efficiency of the whole information processing and nervous transmission mechanisms. Neuropsychological performance was tested in 107 children living in Borgo a Mozzano, an area of mild iodine deficiency (IDA) with a median urinary iodine excretion (UIE) of 64 μg/L (mean±SD: 80.1±57). One hundred and six sex and age-matched children living in Marina di Pisa, an iodine sufficient coastal village of Tuscany (ISA) with a median UIE of 142 μg/L (mean±SD: 173±95) were used as controls. Tests for neuropsychological performance were performed in 57 children living in the village of Vagli, an area with past iodine deficiency (PIDA): 30 children born before iodine prophylaxis (Group 1), when the median UIE was 32 μg/L (mean±SD: 47±22), 27 children born after the institution of iodine prophylaxis (Group 2), when the median UIE was 109 μg/L (mean±SD:130±73). Sex and age-matched ISA-children were used as controls for each group. RTs were significantly delayed (p

Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalJournal of Endocrinological Investigation
Volume18
Issue number1
DOIs
Publication statusPublished - 1995

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Keywords

  • endemic goiter
  • Iodine deficiency
  • neuropsychological impairment
  • thyroid function

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Lombardi, F. A., Pinchera, A., Antonangeli, L., Rago, T., Chiovato, L., Bargagna, S., Bertucelli, B., Ferretti, G., Sbrana, B., Marcheschi, M., & Vitti, P. (1995). Mild iodine deficiency during fetal/neonatal life and neuropsychological impairment in Tuscany. Journal of Endocrinological Investigation, 18(1), 57-62. https://doi.org/10.1007/BF03349700