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J Pediatr. 2018 Jul;198:254-259.e1. doi: 10.1016/j.jpeds.2018.02.033. Epub 2018 Apr 2.

Frequency of Poison Center Exposures for Pediatric Accidental Unsupervised Ingestions of Acetaminophen after the Introduction of Flow Restrictors.

Author information

1
Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA.
2
Rocky Mountain Poison and Drug Center, Denver Health and Hospital Authority, Denver, CO. Electronic address: Kate.reynolds@rmpdc.org.
3
Rocky Mountain Poison and Drug Center, Denver Health and Hospital Authority, Denver, CO.

Abstract

OBJECTIVE:

To assess the temporal association of flow restrictor introduction and the rate of accidental unsupervised ingestions (AUIs) of liquid acetaminophen products.

STUDY DESIGN:

The National Poison Data System was used to identify AUIs of single ingredient acetaminophen in patients aged <12 years reported between 2007 and 2015. Six regional poison centers obtained additional information using a structured telephone survey.

RESULTS:

Pediatric AUIs involving acetaminophen averaged 30 000 exposures per year between 2007 and 2012. From 2012 to 2015, after flow restrictor introduction, exposures steadily decreased at a rate of 2400 fewer exposures annually, reaching 21 877 exposures in 2015. Normalized to sales volume, exposures involving liquid acetaminophen products decreased by 40% from 2010 to 2015. Exposures involving products with flow restrictors tended to have a lower estimated ingestion per exposure, fewer exposures exceeding a 150 mg/kg acetaminophen threshold, and were associated with lower rates of hospital admissions when compared with products without restrictors. Caregivers reported improper storage and child confusion of the medicine with treats as common contributing factors to exposures.

CONCLUSIONS:

The introduction of flow restrictors was associated with a decrease in pediatric AUIs of liquid acetaminophen products. Decreases in the dose ingested and risk of hospital admission per exposure may also have resulted. Efforts to optimize flow restrictors and increase their use with medicines associated with high pediatric overdose risk should be encouraged.

KEYWORDS:

National Poison Data System; acetaminophen; poison prevention; survey

PMID:
29622340
DOI:
10.1016/j.jpeds.2018.02.033
[Indexed for MEDLINE]
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