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  • Title: Poisoning exposure cases involving e-cigarettes and e-liquid in the United States, 2010-2018.
    Author: Wang B, Liu S, Persoskie A.
    Journal: Clin Toxicol (Phila); 2020 Jun; 58(6):488-494. PubMed ID: 31496321.
    Abstract:
    Introduction: Poisoning exposure cases involving e-cigarettes have increased since 2010, coinciding with increasing rates of e-cigarette use in the United States (US). Given the increasing prevalence of e-cigarette use and ever-changing product designs, particularly the development of new products with high nicotine levels, it is important to conduct ongoing surveillance of poisoning exposure cases involving e-cigarettes. The objective of this study is to describe trends and characteristics of poisoning exposure cases involving e-cigarettes and e-liquids reported to poison control centers in the US.Methods: We analyzed e-cigarette exposure cases from the National Poison Data System (NPDS) during 2010-2018 by year and other characteristics.Results: The annual number of e-cigarette exposure cases increased greatly between 2010 and 2014, reaching a peak of 3742 in 2014, and then decreasing each year between 2015 and 2017. Between 2017 and 2018, the overall number of e-cigarette exposure cases increased by 25.0% (from 2320 to 2901). Approximately two-thirds (64.8%) of all cases were in children under age five, and 14.7% were in children aged 5-17 years or young adults aged 18-24 years. A small proportion of cases developed life-threatening symptoms (0.1%); and cases with more serious medical outcomes tended to be exposed to a higher e-liquid or nicotine quantity.Conclusions: Annual declines in e-cigarette exposure cases between 2015 and 2017 did not continue in 2018. The rapid changes in the occurrence of poisoning exposure cases involving e-cigarettes coupled with the development of new tobacco products and ever-evolving tobacco use landscape underscore the importance of continued surveillance of these poisoning exposure cases. Continuous monitoring of these poisoning exposure cases may inform efforts aimed at preventing e-cigarette poisoning exposures.
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