Asthma exacerbations in North American adults : Who are the frequent fliers in the emergency department?

To characterize adult asthma patients according to frequency of emergency department (ED) visits in the past year. Adults presenting with acute asthma to 83 US EDs underwent structured interviews in the ED and by telephone 2 weeks later. The 3,151 enrolled patients were classified into four groups:...

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Veröffentlicht in:Chest 2005-05, Vol.127 (5), p.1579-1586
Hauptverfasser: GRISWOLD, Sharon K, NORDSTROM, Carla R, CLARK, Sunday, GAETA, Theodore J, PRICE, Michelle L, CAMARGO, Carlos A
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Sprache:eng
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Zusammenfassung:To characterize adult asthma patients according to frequency of emergency department (ED) visits in the past year. Adults presenting with acute asthma to 83 US EDs underwent structured interviews in the ED and by telephone 2 weeks later. The 3,151 enrolled patients were classified into four groups: those reporting no ED visits in the past year (27%), one to two visits (27%), three to five visits (25%), and six or more visits (21%). The number of ED visits (NEDV) was associated with older age, nonwhite race, lower socioeconomic status, and several markers of chronic asthma severity (all p < 0.001). NEDV was strongly associated with Medicaid insurance (17% among those with no visits, 22% with one to two visits, 30% with three to five visits, 39% with six or more visits; p < 0.001). NEDV was unrelated to gender or having a primary care provider (PCP). In a multivariate model, independent predictors of high ED use (six or more visits a year) were nonwhite race, Medicaid, other public, and no insurance, and markers of chronic asthma severity. Patients with six or more ED visits accounted for 67% of all prior ED visits in the past year. High NEDV is associated with characteristics that may help with identification of "frequent fliers" in the ED. A better understanding of these characteristics may advance ongoing efforts to decrease asthma health-care disparities, including differential access to primary asthma care. National guidelines recommend specific ED treatments then referral to a PCP. Although longitudinal care is surely important, attempts to reduce frequent ED asthma visits may be better directed toward more specific preventive and educational needs.
ISSN:0012-3692
1931-3543
DOI:10.1378/chest.127.5.1579