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OBJECTIVE: To generate national estimates of hydrocarbon-related exposures occurring in children ≤5 years of age who were treated in US emergency departments or called a regional poison control center. METHODS: This retrospective review compared hydrocarbon-related injuries that occurred from January 1, 2000, through December 31, 2009, that were reported to the National Poison Data System and the National Electronic Injury Surveillance System for children ≤5 years of age. RESULTS: From 2000 through 2009, the National Poison Data System reported 65 756 actual calls to regional poison centers, and the National Electronic Injury Surveillance System reported an estimated 40 158 emergency department visits for hydrocarbon-related injuries. Individuals involved were predominantly male and 1 to 2 years of age. Ingestion was the most common mechanism of injury, and most injuries did not result in hospitalization. The rate of emergency department visits and calls to poison centers decreased significantly (P < .0001) over the 10-year study period. Exposures to hydrocarbons demonstrated seasonal variation, with more occurrences in the summer months. CONCLUSIONS: The comparison of the two data sets illustrates a similar trend in hydrocarbon-related injuries in children. Although cases have declined, most likely due to existing prevention efforts, hydrocarbons are still a large source of preventable exposure and injury in children.

The aim of this study was to examine the relationship between state marijuana legalization and the rates of unintentional ingestions of marijuana in children younger than 6 years. Methods:This was a retrospective review of all marijuana ingestions in the National Poison Data System in children younger than 6 years between January 1, 2000, and July 31, 2017. Data analysis from NPDS included, age, sex, state and year of occurrence, clinical effects, therapies, health care facility utilization, and medical outcome. Population of children younger than 6 years was obtained from the US Census Bureau. Public records search provided state legal status of marijuana and year of state marijuana legalization.Results: From 2000 through 2008, there was no significant change in the annual number or rate of ingestions of marijuana in children younger than 6 years across the United States. Following 2009, there was mean annual increase of 27% per year, rising to 742 ingestions per year or 2.98 ingestions per 100,000 population, respectively, in 2017. More than 70% of all cases occurred in states with legalized marijuana. Of all pediatric patients, 54.6% received some form of hospital-based care, of which 7.5% required critical care. Pediatric patients experienced a wide range of symptoms from drowsiness and confusion, to seizures and coma. Medical treatments ranged from hydration therapy to sedation and intubation. Poison centers safely managed 23.4% of these pediatric cases by phone, without the need for hospital evaluation. Conclusion:There was a strong association between the legalization of marijuana and ingestions of marijuana by children younger than 6 years.