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  • Title: A randomized controlled trial of a pediatric asthma outreach program.
    Author: Greineder DK, Loane KC, Parks P.
    Journal: J Allergy Clin Immunol; 1999 Mar; 103(3 Pt 1):436-40. PubMed ID: 10069877.
    Abstract:
    BACKGROUND: Previous studies have shown that asthma education and case management may reduce asthma emergency care, hospitalizations, and expenditures. OBJECTIVE: We sought to study the effect of an asthma outreach program (AOP), a team-based, case-management intervention, on emergency ward (EW) and hospital use. METHODS: Fifty-seven patients aged 1 to 15 years with the diagnosis of asthma based on the usual clinical practice criteria who were continuously enrolled in a staff-model health maintenance organization for a period of at least 2 consecutive years were randomized into 2 intervention groups. The control group received a single intensive asthma education intervention, and the AOP group received the same initial education but then was followed-up by an asthma case management nurse throughout the intervention period. RESULTS: EW visits, hospitalizations, and total outside-of-health-plan expenditures (consisting of EW and hospital expenses, as well as miscellaneous costs, such as ambulance, durable medical equipment, tertiary referrals, and home care) were assessed from claims filed for a year before and after enrollment. Control group patients experienced significant reductions in EW visits (39%), hospitalizations (43%), and outside-of-health-plan costs (28%), possibly as a result of the baseline educational intervention received by all enrolled patients, in conjunction with regression to the mean. AOP group patients experienced significant reductions in EW visits, (73%, P =.0002), hospitalizations (84%, P =.0012), and outside-of-health-plan use (82%, P <.0001). When compared with the control group, AOP group patients demonstrated additional significant reductions in EW visits (57%, P <.05), hospitalizations (75%, P <.05), and outside-of-health-plan use (71%, P <.001). Estimates of direct savings to the health plan ranged from $7.69 to $11.67 for every dollar spent on the AOP nurse's salary, depending on assumptions. CONCLUSIONS: Asthma patients in a staff-model health maintenance organization decreased their resource use between 57% to 75% by participation in an AOP as compared with a randomized control group receiving only an educational intervention. Substantial savings were achieved compared with the cost of the AOP nurse.
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