• Zaynah Abid, Mark I Neuman, Matt Hall, Brett R Anderson, and Peter S Dayan.
• From the ∗Division of Pediatric Emergency Medicine, Department of Emergency Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY.
• Pediatr Emerg Care. 2024 Nov 6.

ObjectiveThe aim of the study is to determine the epidemiology, cost, and factors associated with hospital admission, deterioration if hospitalized, and mortality for children with a history of clinically significant cardiovascular disease (CVD) presenting to pediatric emergency departments (EDs).Study DesignUsing the Pediatric Health Information System, we performed a retrospective analysis of ED encounters of children ≤17 years old with clinically significant CVD between 2016 and 2021. Patients were included if they had a cardiovascular complex chronic condition, defined by ICD diagnosis, and procedure codes. We assessed the primary diagnosis, admission rate, ICU transfer rate (as a marker of disease progression), mortality, resource utilization, and costs. We conducted multivariable analyses to identify risk factors for admission, ICU transfer, and mortality.ResultsThere were 201,551 ED visits (mean 33,592 ± 3354 per year) among 129,938 children with clinically significant CVD. Most ED encounters had a primary diagnosis of a circulatory (21.1%) or respiratory (19.7%) illness. Seventy-six percent of visits had at least one blood test or imaging study conducted. The overall admission rate was 59.7%, with 28.7% admitted to the ICU, and 6.2% transferred to the ICU after the first 24 hours. The median costs for encounters resulting in admission were $13,605 in US 2023 dollars. In multivariable analyses, younger age, a greater number of noncardiac complex chronic conditions, and CVD type were associated with increased odds of admission, ICU transfer after 24 hours, and mortality (all P < 0.05).ConclusionsED visits for children with clinically significant CVD lead to substantial resource utilization, including frequent hospitalization, ICU level of care, and costs. This baseline data aids in the development of prospective studies to inform the appropriate ED management for children with clinically significant CVD.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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