Thimerosal-Preserved Hepatitis B Vaccine and Hyperkinetic Syndrome of Childhood
Abstract(1) Background: Hyperkinetic syndrome of childhood (HKSoC) is an International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9) category in which the majority of the children are also diagnosed under the Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision (DSM-IV-TR), where the umbrella term is “Attention-Deficit and Disruptive Behavior Disorders”. The diagnostic criteria for HKSoC are developmentally inappropriate inattention, hyperactivity, and impulsivity. Some studies have implicated mercury (Hg) exposure as a risk factor. (2) Methods: This hypothesis testing study; using the Vaccine Safety Datalink; assessed the toxicological effects of bolus exposure to organic-Hg from Thimerosal-containing vaccines (TCVs) by examining the relationship between Thimerosal-preserved hepatitis B vaccines (TM-HepB) given at varying levels and at specific intervals in the first six months after birth and the risk of a child being diagnosed with HKSoC. (3) Results: Children diagnosed with HKSoC were significantly more likely to be exposed to increased organic-Hg from TM-HepB doses given within the first month (odds ratio = 1.45; 95% confidence interval (CI) = 1.30–1.62); within the first two months (odds ratio = 1.43; 95% CI = 1.28–1.59); and within the first six months (odds ratio = 4.51; 95% CI = 3.04–6.71) than controls. (4) Conclusion: The results indicate that increasing organic-Hg exposure from TCVs heightens the risk of a HKSoC diagnosis. View Full-Text
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Geier, D.A.; Kern, J.K.; Hooker, B.S.; Sykes, L.K.; Geier, M.R. Thimerosal-Preserved Hepatitis B Vaccine and Hyperkinetic Syndrome of Childhood. Brain Sci. 2016, 6, 9.
Geier DA, Kern JK, Hooker BS, Sykes LK, Geier MR. Thimerosal-Preserved Hepatitis B Vaccine and Hyperkinetic Syndrome of Childhood. Brain Sciences. 2016; 6(1):9.Chicago/Turabian Style
Geier, David A.; Kern, Janet K.; Hooker, Brian S.; Sykes, Lisa K.; Geier, Mark R. 2016. "Thimerosal-Preserved Hepatitis B Vaccine and Hyperkinetic Syndrome of Childhood." Brain Sci. 6, no. 1: 9.
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