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US Poison Control Center Calls for Infants 6 Months of Age and Younger
1Department of Medical Toxicology and Banner Poison and Drug Information Center, Banner-University Medical Center Phoenix; and Center for Toxicology and Pharmacology Education and Research, University of Arizona College of Medicine, Phoenix; Arizona aaron.kang@bannerhealth.com.
Insights
Therapeutic errors and general unintentional exposures are common in infants under six months. Dosing errors, both quantitative and nonquantitative, are significant concerns requiring targeted prevention strategies.
Area of Science:
- Pediatric Toxicology
- Public Health
- Emergency Medicine
Background:
- Poisoning prevention in young children traditionally focuses on restricting access to hazardous substances.
- Infants under six months, due to limited mobility, are less prone to exploratory ingestions but more susceptible to medication-related errors.
- The epidemiology of poison exposures in this vulnerable age group is not well-defined, potentially limiting the effectiveness of current prevention strategies.
Purpose of the Study:
- To characterize the epidemiology of poison exposures in infants aged 0-6 months.
- To identify the primary causes of these exposures, differentiating between general unintentional ingestions and therapeutic errors.
- To inform the development of targeted anticipatory guidance and prevention measures for this age group.
Main Methods:
- A retrospective analysis of 10-year (2004-2013) exposure data was conducted.
- Data were sourced from the National Poison Data System, focusing on infants up to 6 months of age.
- Exposure calls were categorized by reason, including general unintentional and therapeutic errors.
Main Results:
- Over 271,000 exposures were reported, with 96.7% being unintentional.
- General unintentional exposures accounted for 50.7%, while therapeutic errors represented 36.7% of cases.
- Within therapeutic errors, quantitative (47.0%) and nonquantitative (42.8%) dosing errors were nearly equally prevalent.
Conclusions:
- Both general unintentional ingestions and therapeutic errors are significant contributors to poison exposures in infants under six months.
- Quantitative and nonquantitative dosing errors represent equally critical issues within therapeutic errors.
- A notable proportion of affected infants present to healthcare facilities before consulting a poison center, highlighting a gap in initial management and guidance.
Background:
Anticipatory guidance and prevention efforts to decrease poisonings in young children have historically focused on restricting access to minimize exploratory ingestions. Because infants through 6 months of age have limited mobility, such exposures are expected to be less frequent and therapeutic (or dosing) errors should be more frequent. Although recent prevention efforts target some types of therapeutic errors, the epidemiology of these exposures is not well characterized in this age group. This could have important implications for the effectiveness of current prevention efforts.
Methods:
A 10-year (2004-2013) retrospective review of exposure calls for infants through 6 months of age was conducted on National Poison Data System files.
Results:
A total of 271 513 exposures were reported, of which 96.7% were unintentional. Of these, the most common reasons were general unintentional (50.7%), which includes exploratory exposures, and therapeutic error (36.7%). Among the latter, 47.0% involved quantitative dosing errors (a different amount than intended) and 42.8% involved nonquantitative dosing errors (a medication given twice or too soon, the wrong medication, or wrong route). Most exposures (97.5%)occurred in the home but only 85.2% of calls came from the home;80.4% ofself-referrals to a healthcare facility were not admitted.
Conclusions:
General unintentional (including exploratory) exposures and therapeutic errors both comprise a large proportion of calls in this age group. Among therapeutic errors, quantitative and nonquantitative dosing errors are equally concerning. There areappreciablenumbers of patients presenting to healthcare prior topoison centerconsultation. These data can help target future anticipatory guidance and prevention measures.
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