• Daiki Tanaka, Shunsuke Amagasa, Nanae Kikuchi, Ryuji Sasaki, Satoko Uematsu, Satoshi Tsuji, Mitsuru Kubota, and Satoshi Nakagawa.
• From the Division of Emergency and Transport Services.
• Pediatr Emerg Care. 2023 Jul 1; 39 (7): 507510507-510.

ObjectivesIn 2016, brief resolved unexplained events (BRUEs) were proposed as alternative concepts to apparent life-threatening event (ALTE). The clinical utility of managing ALTE cases according to the BRUE classification is controversial. To verify the clinical utility of the BRUE criteria, we evaluated the proportion of ALTE patients who met and those who did not meet the BRUE criteria and assessed the diagnoses and outcomes of each group.MethodsWe retrospectively investigated patients with ALTE younger than 12 months who visited the emergency department of the National Center for Child Health and Development from April 2008 to March 2020. The patients were classified into the higher-risk and lower-risk BRUE groups; however, those who did not meet the BRUE criteria were classified into the ALTE-not-BRUE group. We evaluated the diagnoses and outcomes of each group. Adverse outcomes included death, recurrence, aspiration, choking, trauma, infection, convulsions, heart disease, metabolic disease, allergies, and others.ResultsOver the period of 12 years, a total of 192 patients were included, among which 140 patients (71%) were classified into the ALTE-not-BRUE group, 43 (22%) into the higher-risk BRUE group, and 9 (5%) into the lower-risk BRUE group. Adverse outcomes occurred in 27 patients in the ALTE-not-BRUE group and 10 patients in the higher-risk BRUE group. No adverse outcome occurred in the lower-risk BRUE group.ConclusionsMany of the patients with ALTE were classified into the ALTE-not-BRUE group, suggesting that replacing ALTE with BRUE is difficult. Although patients classified as lower-risk BRUE showed no adverse outcomes, there were only a few of them. In the pediatric emergency medicine setting, the BRUE risk classification may be beneficial for certain patients.Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.

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