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Predictors of future acute asthma visits among children receiving guideline recommended emergency department discharge management

Abstract Background Asthma emergency department (ED) visits remain frequent among children, prompting ongoing pursuit of preventative strategies. Objective We identified factors associated with future acute asthma ED visits among children who had already received guideline recommended discharge management following a prior asthma ED visit. Methods We performed a retrospective cohort study of children ages 1–17 years with a first asthma ED visit to the Children’s Hospital of Eastern Ontario in Canada between September 2014–August 2015. Children who received recommended discharge management including an inhaled corticosteroids prescription and/or an asthma action plan were included. We used multivariable logistic regression to identify factors associated with a future acute asthma visits one year following the first ED visit. Results Among 909 children with a first asthma ED visit, 24% had a future acute asthma visit within one year. Future acute asthma visits were more likely in children with a nut/peanut allergy (OR 1.76, 95% CI: 1.15, 2.70), higher severity symptoms (OR 2.04, 95% CI: 1.23, 3.39), a primary care physician (OR 2.23, 95% CI: 1.26, 3.93), or a prior diagnosis of asthma (OR 1.53, 95% CI: 1.03, 2.28). Conclusion Children at risk for repeat acute asthma ED visits despite having a primary care provider and receiving recommended discharge management at their first ED visit can be identified by factors such as having a nut/peanut allergy, a prior asthma diagnosis, and higher severity symptoms at ED presentation. These factors can be used to target more intensive preventative interventions to those most in need.