Revue medicale de Liege · 2020
[Association between exposure to persistent organic pollutants during pregnancy and thyroid function during childhood : a pilot longitudinal study and literature review].
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Dufour P, Pirard C, Seghaye M C, Boemer F, Charlier C
Аннотация
OBJECTIVE: Perfluoroalkyl substances (PFAS) are chemicals widely employed in the industry. Long term consequences of the newborns' contamination by PFAS on thyroid function are of concern. The aim of this study is to assess the potential associations between PFAS contamination measured at birth and thyroid function assessed few months later. PFAS levels were previously determined in cord blood from a cohort of newborns recruited in Liege.
METHOD: Parents of the children belonging to the first and the fifth quintiles of exposure to PFAS were contacted in order to measure the thyroid stimulating hormone (TSH) levels in their child few months after birth. Twenty-eight children participated in the study. Moreover, we performed a literature review about associations between pre- or perinatal exposure to persistent organic pollutants and thyroid function during early childhood.
RESULT: No significant difference was highlighted between both groups of contamination (Mann-Whitney, p-value = 0.91). Literature review highlighted the critical need of new longitudinal data about this problematic.
CONCLUSION: Our results suggest that the PFAS levels at birth are not associated with TSH levels later in life. Large scale studies are required to confirm our results.
METHOD: Parents of the children belonging to the first and the fifth quintiles of exposure to PFAS were contacted in order to measure the thyroid stimulating hormone (TSH) levels in their child few months after birth. Twenty-eight children participated in the study. Moreover, we performed a literature review about associations between pre- or perinatal exposure to persistent organic pollutants and thyroid function during early childhood.
RESULT: No significant difference was highlighted between both groups of contamination (Mann-Whitney, p-value = 0.91). Literature review highlighted the critical need of new longitudinal data about this problematic.
CONCLUSION: Our results suggest that the PFAS levels at birth are not associated with TSH levels later in life. Large scale studies are required to confirm our results.