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Predicting emergency department utilization in adults with asthma: a cohort study
R L Cowie1, M F Underwood, S G Revitt
1Calgary Asthma Program, University of Calgary, Alberta, Canada. cowie@ucalgary.ca
Summary
Adult asthma patients with lifestyle limitations and prior hospitalizations are more likely to need emergency department visits. Early identification of these risk factors can guide proactive asthma management strategies.
Area of Science:
- Pulmonology
- Clinical Medicine
- Epidemiology
Background:
- Asthma management requires understanding predictors of acute exacerbations.
- Emergency department (E.D.) visits for asthma represent significant morbidity and healthcare burden.
Purpose of the Study:
- To identify baseline characteristics that predict future E.D. asthma treatment needs.
- To inform targeted interventions for high-risk asthma patients.
Main Methods:
- Prospective cohort study of 378 adults with asthma.
- Initial assessment included lifestyle restrictions, prior hospital admissions, and asthma control.
- Follow-up interview at 1 year to ascertain E.D. visits for asthma.
Main Results:
- 73 subjects (19.3%) required E.D. treatment for asthma within 1 year.
- Predictive factors included greater self-reported lifestyle restriction, more prior hospital admissions/E.D. visits, and poorer asthma control.
- These factors were significantly more prevalent in subjects needing E.D. care.
Conclusions:
- Asthma patients experiencing significant lifestyle interference and those with a history of hospital admission require heightened clinical attention.
- Baseline assessment of lifestyle impact and prior severe exacerbations can identify individuals at higher risk for future E.D. visits.
- Proactive management strategies should be considered for these high-risk asthma populations.