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Emergency Department Allies: A Controlled Trial of Two Emergency Department–Based Follow-up Interventions to Improve Asthma Outcomes in Children

OBJECTIVE. We sought to study the impact of emergency department (ED)–based intensive primary care linkage and initiation of asthma case management on long-term, patient-oriented outcomes for children with an asthma exacerbation. METHODS. Our study was a randomized, 3-arm, parallel-group, single-blind clinical trial. Children aged 2 through 17 years treated in a pediatric ED for acute asthma were randomly assigned to standard care (group 1), including patient education, a written care plan, and instructions to follow up with the primary care provider within 7 days, or 1 of 2 interventions. Group 2 received standard care plus assistance with scheduling follow-up, while group 3 received the above interventions, plus enrollment in a case management program. OUTCOMES. The primary outcome was the proportion of children having an ED visit for asthma within 6 months. Other outcomes included change in quality-of-life score and controller-medication use. RESULTS. Three hundred fifty-two children were enrolled; 78% completed follow-up, 69% were black, and 70% had persistent asthma. Of the children, 37.8% had a subsequent ED visit for asthma, with no difference among the treatment groups (group 1: 38.4%; group 2, 39.2%; group 3, 35.8%). Children in all groups had a substantial, but similar, increase in their quality-of-life score. Controller-medication use increased from 69.4% to 81.4%, with no difference among the groups. CONCLUSION. ED-based attempts to improve primary care linkage or initiate case management are no more effective than our standard ED care in improving subsequent asthma outcomes over a 6-month period.