Hospitalization and evaluation of brief resolved unexplained events (BRUEs) from a statewide sample

Objective: The 2016 clinical practice guideline (CPG) replacing apparent life-threatening event (ALTE) with brief resolved unexplained event (BRUE) was associated with a reduction in hospitalizations and clinical testing among children with this condition in pediatric hospitals. However, as only a minority of acute-care encounters occur in dedicated pediatric centers, the overall effect of this CPG on children with ALTE/BRUE remains unknown. The purpose of this study is to examine changes in the diagnosis and management of BRUE in a statewide sample of non-pediatric hospitals following publication of the CPG.

Methods: This is a retrospective study of encounters of infants (<1 year) presenting to 178 non-pediatric Illinois Emergency Departments (EDs) between 2013 and 2019 with an International Classification of Disease (ICD) 9th and 10th revision billing code of ALTE or BRUE (799.82, ICD-9; R68.13, ICD-10). Our primary outcomes were counts of ALTE/BRUE and the percent of patients with ALTE/BRUE admitted and/or transferred to another facility. Our secondary outcome was clinical testing. We used interrupted time-series analysis for our primary outcome and chi-square testing for secondary outcomes. Results were stratified into academic and community EDs.

Results: This study included 4639 ED encounters for infants with BRUE that presented to academic EDs (2229; 48.0%) or community EDs (2410; 52.0%). At academic EDs, ALTE/BRUE diagnoses were increasing by 2.3 per quarter prior to the CPG publication and decreased by 0.5 per quarter after the CPG publication, representing a change in slope of -2.8 per quarter (p < 0.01). The percent of ALTE/BRUE patients admitted/transferred was decreasing by 0.1% per quarter in the pre-intervention period and decreased by 0.3% per quarter in the post-intervention period, representing a change in slope of 0.7% (p = 0.03). At community EDs, ALTE/BRUE diagnoses were increasing by 2.9 per quarter prior to the CPG publication and increased by 1.4 per quarter after the CPG publication, a non-significant change in slope. The percent of ALTE/BRUE patients admitted/transferred was decreasing by 1.6% in the pre-intervention period and decreased by 0.9% in the post-intervention period, a non-significant change in slope. At academic EDs, there was no significant change in clinical testing. At community EDs, a lower proportion of patients in the post-intervention period had chest radiographs, blood cultures, metabolic panels, blood counts, and urine testing, while a higher proportion had pertussis testing and respiratory pathogen testing.

Conclusions: Counts of BRUE diagnoses and the overall proportion of children admitted or transferred showed a consistent decrease at academic EDs but had a nonsignificant change in trend at community EDs following the CPG publication in 2016. There was no significant change in clinical testing at academic EDs while community EDs had a significant decrease in some testing and an increase in other types of testing. Our findings suggest the need for greater implementation efforts in non-pediatric settings, specifically community EDs, where pediatric patients with BRUE present infrequently in order to optimize care for these children.