The aim of this study was to describe the incidence of brief resolved unexplained events (BRUEs) and compare the impact of a national clinical practice guideline (CPG) on admission and diagnostic testing practices between general and pediatric emergency departments (EDs).Using the Nationwide Emergency Department Sample for 2012-2019, we conducted a cross-sectional study of children <1 year of age with an International Classification of Diseases diagnostic code for BRUE. Population incidence rate was estimated using Centers for Disease Control and Prevention birth data. ED incidence rate was estimated for all ED encounters. We used interrupted time series to evaluate the associated impact of the CPG publication on the outcomes of ED disposition (discharge, admission, and transfer) and electrocardiogram (ECG) use.Of 133,972 encounters for BRUE, 80.0% occurred in general EDs. BRUE population incidence was 4.28 per 1000 live births and the annual incidence remained stable (p = 0.19). BRUE ED incidence was 5.06 per 1000 infant ED encounters (p = 0.14). The impact of the BRUE CPG on admission rates was limited to pediatric EDs (level shift -23.3%, p = 0.002). Transfers from general EDs did not change with the CPG (level shift 2.2%, p = 0.17). After the CPG was published, ECGs increased by 13.7% in pediatric EDs (p = 0.005) but did not change in general EDs (level shift -0.2%, p = 0.82).BRUEs remain a common pediatric problem at a population level and in EDs. Although a disproportionate number of infants present to general EDs, there is differential uptake of the CPG recommendations between pediatric and general EDs. These findings may support quality improvement opportunities aimed at improving care for these infants and decreasing unnecessary hospital admissions or transfers. 

Epidemiology of brief resolved unexplained events and impact of clinical practice guidelines in general and pediatric emergency departments

Objective To describe the demographics and clinical outcomes of infants with brief resolved unexplained events (BRUE). Design A retrospective cohort study. Setting 11 centres within the Canadian Paediatric Inpatient Research Network. Patients Patients presenting to the emergency department (ED) following a BRUE (2017–2021) were eligible, when no clinical cause identified after a thorough history and physical examination. Main outcome measures Serious underlying diagnosis (requiring prompt identification) and event recurrence (within 90 days). Results Of 1042 eligible patients, 665 were hospitalised (63.8%), with a median stay of 1.73 days. Diagnostic tests were performed on 855 patients (82.1%), and 440 (42.2%) received specialist consultations. In total, 977 patients (93.8%) were categorised as higher risk BRUE per the American Academy of Pediatrics guidelines. Most patients (n=551, 52.9%) lacked an explanatory diagnosis; however, serious underlying diagnoses were identified in 7.6% (n=79). Epilepsy/infantile spasms were the most common serious underlying diagnoses (2.0%, n=21). Gastro-oesophageal reflux was the most common non-serious underlying diagnosis identified in 268 otherwise healthy and thriving infants (25.7%). No instances of invasive bacterial infections, arrhythmias or metabolic disorders were found. Recurrent events were observed in 113 patients (10.8%) during the index visit, and 65 patients had a return to ED visit related to a recurrent event (6.2%). One death occurred within 90 days. Conclusions There is a low risk for a serious underlying diagnosis, where the majority of patients remain without a clear explanation. This study provides evidence-based risk for adverse outcomes, critical information to be used when engaging in shared decision-making with caregivers. 

Identifying serious underlying diagnoses among patients with brief resolved unexplained events (BRUEs): a Canadian cohort study

Objective To determine associations between presenting symptoms and oropharyngeal dysphagia diagnoses, gastroesophageal reflux disease (GERD) diagnoses, and treatment with acid suppression medication in infants with brief resolved unexplained event (BRUE). Study design We performed a prospective cohort study of infants with BRUE to review presenting symptoms and their potential impact on testing and treatment. Videofluoroscopic swallow study (VFSS) results and explanatory diagnoses were obtained from medical record review; acid suppression use was determined by parental survey. Binary and multivariable logistic regression models were used to evaluate associations between presenting symptoms and obtaining VFSS, VFSS results, GERD diagnoses, and acid suppression medication. Results Presenting symptoms were varied in 157 subjects enrolled at 51.0±5.3 days of age, with many symptoms that may be related to GERD or dysphagia. Of these, 28% underwent VFSS with 71% abnormal. Overall, 42% had their BRUE attributed to GERD and 33% were treated with acid suppression during follow-up. Presenting symptoms were significantly associated with the decision to obtain VFSS but not with abnormal VFSS results. Presenting symptoms were also associated with provision of GERD explanatory diagnoses. Both presenting symptoms and GERD explanatory diagnoses were associated with acid suppression use (aOR 2.3, 95% CI 1.03-5.3, p=0.04). Conclusions Presenting symptoms may play a role in clinicians' decisions about which BRUE patients undergo VFSS but are unreliable to make a diagnosis of oropharyngeal dysphagia. Presenting symptoms may also influence assignment of a GERD explanatory diagnoses that is associated with increased acid suppression medication use. 

Brief Resolved Unexplained Events Symptoms Frequently Result in Inappropriate Gastrointestinal Diagnoses and Treatment

Abstract Brief resolved unexplained events (BRUEs) are frequently encountered in infants younger than 1 year. By definition, these events require the infant to be asymptomatic and at baseline at the time of presentation, with no significant abnormalities on examination and no discernible explanatory diagnosis. Research has shown that less than 5% of BRUE cases are attributable to serious underlying conditions, with no increased mortality risk and no increased risk of sudden infant death syndrome. Despite these findings, approximately 63% of patients with BRUEs are hospitalized and up to 82% undergo diagnostic tests, which predominantly result in false-positive findings. Such results may lead to unnecessarily prolonged hospital stays, additional tests or consultations, and increased parental anxiety. The management of a patient who has experienced a BRUE can be challenging for providers and parents alike. Although risk is known to be low in these infants, providers may be compelled to explain the event and provide reassurance. Caregivers oftentimes are concerned that the events may reoccur and be a harbinger of a missed diagnosis. Shared decision-making can be used to explain risk and the benefit of additional testing and hospitalization. This family-centered strategy can align care with the family’s values, provide reassurance, and decrease decisional conflict. 

Brief Resolved Unexplained Event: Evidence-Based and Family-Centered Management

The term BRUE (Brief resolved unexplained event) was proposed by the American Academy of Pediatrics in 2016 to replace the term ALTE (Apparent life-threatening event), which in turn replaced the so-called near-miss sudden infant death syndrome in 1986. This latest change is intended to avoid unnecessary hospitalizations and reduce the use of high-cost, low-yield laboratory and imaging tests. However, we believe that in the absence of clinical guidelines that guide the management of the BRUE, that objective may not be met. We present a clinical guideline prepared for Hospital Dr. Exequiel González Cortés, in Santiago, Chile.

https://www.neumologia-pediatrica.cl/index.php/NP/article/download/566/510

Propuesta de una guía clínica de manejo del brue

Since the publication of the American Academy of Pediatrics (AAP) clinical practice guideline for brief resolved unexplained events (BRUEs), a few small, single‐center studies have suggested low yield of diagnostic testing in infants presenting with such an event. We conducted this large retrospective multicenter study to determine the role of diagnostic testing in leading to a confirmatory diagnosis in BRUE patients.

Diagnostic testing for evaluation of brief resolved unexplained events

Diagnostic testing for and detection of physical abuse in infants with brief resolved unexplained events.

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Diagnostic testing for evaluation of brief resolved unexplained events

Diagnostic testing for and detection of physical abuse in infants with brief resolved unexplained events.