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Utility of toxicology screening in a pediatric emergency department
J M Sugarman1, G C Rodgers, R I Paul
1Department of Pediatrics, School of Medicine, University of Louisville, KY 40292, USA.
Insights
Toxicology screen testing (TS) in pediatric emergency departments rarely yields unexpected results or changes patient management. Emergency physicians should reconsider the necessity of TS testing for children.
Area of Science:
- Pediatric Emergency Medicine
- Clinical Toxicology
- Diagnostic Utility
Background:
- Toxicology screen testing (TS) is frequently utilized in pediatric emergency departments.
- Understanding the clinical utility and patient profiles associated with TS is crucial for optimizing diagnostic strategies.
Purpose of the Study:
- To identify patient demographics undergoing toxicology screen testing.
- To evaluate the clinical impact and utility of toxicology screen results in a pediatric emergency setting.
Main Methods:
- Retrospective chart review of 338 pediatric patients (<18 years) who underwent TS.
- Analysis of patient characteristics, chief complaints, and TS results.
- Assessment of changes in medical management based on TS findings.
Main Results:
- The most common reasons for TS were ingestion (211), abnormal behavior (56), and seizures (30).
- While 57% of patients had at least one positive TS result, only 7% had unexpected positive findings.
- Unexpected positive TS results led to a change in medical management in only 3 patients (0.9%).
Conclusions:
- A small proportion of pediatric patients exhibit unexpected toxicology screen results.
- Toxicology screen testing infrequently alters medical management in the pediatric emergency department.
- Reevaluation of the indications for TS testing in pediatric patients is warranted for emergency physicians.
Objective:
To determine the types of patients who undergo toxicology screen testing (TS) and the clinical utility of the test in a pediatric emergency department.
Design:
Retrospective chart review.
Setting:
Urban pediatric emergency department.
Patients Or Participants:
All patients, n = 338, less than 18 years of age who had a TS sent from the Kosair Children's Hospital Emergency Department between 1/1/91 and 12/31/91.
Results:
Three hundred and thirty-eight charts were available for review from 344 patients who had TS testing. Seventy-eight patients (23%) were less than 12 years old; 164 patients (49%) were female. Forty-four patients were tested by serum TS only; 195 patients by serum plus urine TS; 94 patients by urine TS; four patients by serum, urine, and gastric aspirate TS, and one patient by urine and gastric aspirate TS. Chief complaints of patients who had TS sent were as follows: ingestion (211), abnormal behavior (56), seizures (30), trauma (18), syncope/tingling (7), depression/suicide (6), chest pain/palpitations (3), headaches (3), and other (4). While 195 patients (57%) had positive TS for at least one item, only 22 patients (7%) had a positive TS for an unexpected item, including seven patients with ingestions, eight with abnormal behavior, four with seizures, two with syncope, and one with trauma. Only three patients with unexpected positive TS had a change in medical management as a result of the TS findings. All three of these patients had abnormal physical examinations.
Conclusion:
A minority of patients have unexpected TS results. TS results rarely necessitate a change in medical management. Emergency physicians should reevaluate indications for TS testing in pediatric patients.