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Childhood asthma in the United States: urban issues
Gail G Shapiro1, James W Stout
1Department of Pediatrics, University of Washington School of Medicine, 4540 Sandpoint Way NE, Suite 200, Seattle, WA 98105. ggs@asthmainc.org
Insights
Asthma disproportionately affects impoverished children, leading to higher hospitalization rates and social dysfunction. Improving healthcare access and environmental controls are key to better managing childhood asthma in at-risk urban populations.
Area of Science:
- Pediatric Allergy and Immunology
- Environmental Health
- Public Health Policy
Background:
- Asthma prevalence and morbidity are increasing, with a disproportionate impact on urban, impoverished populations, particularly children.
- Children in low-income households face greater exposure to indoor allergens like dust mites and cockroaches, contributing to asthma development and exacerbation.
- Existing asthma care guidelines are not reaching the most vulnerable children, leading to disparities in care and outcomes.
Purpose of the Study:
- To highlight the significant disparities in asthma care and outcomes experienced by impoverished children.
- To explore the environmental, social, and healthcare system factors contributing to the disproportionate burden of asthma in low-income communities.
- To identify potential strategies for improving asthma management and reducing health inequities.
Main Methods:
- Review of existing literature on asthma prevalence, risk factors, and healthcare disparities in urban, impoverished populations.
- Analysis of the role of environmental exposures (allergens, air quality) and lifestyle factors (diet) in asthma exacerbation.
- Examination of healthcare delivery systems and their impact on access to and quality of asthma care for high-risk children.
Main Results:
- Impoverished children experience higher asthma hospitalization rates and greater clinical and social dysfunction compared to non-impoverished children.
- Low-income homes often harbor higher concentrations of indoor allergens, increasing sensitization and asthma risk.
- Suboptimal healthcare delivery, including emergency room reliance and underuse of maintenance medications, exacerbates asthma burden in vulnerable populations.
Conclusions:
- Addressing childhood asthma requires a multi-faceted approach targeting environmental controls, improved healthcare access, and culturally sensitive patient education.
- Community outreach and innovative communication models are crucial for connecting healthcare systems with families in underserved areas.
- Systemic changes in healthcare delivery and policy are needed to ensure equitable asthma management for all children, regardless of socioeconomic status.
Abstract:
The prevalence and morbidity of asthma are growing problems that appear to affect urban populations and particularly impoverished centers disproportionately. Poor children are more likely to be hospitalized for asthma than nonpoor children, and are more likely to experience clinical and social dysfunction due to asthma. While guidelines exist for best care of childhood asthma, the neediest children are least likely to encounter the benefits of these recommendations. The relationship between host and environment in both primary causation and disease exacerbation is an area of research and debate. Allergen exposure in early life appears to correlate with sensitization and expression of atopy and asthma. Impoverished households are more likely to be reservoirs for dust mite and cockroach antigen in high concentrations than more affluent settings. Lifestyle factors, including diet and ambient air quality, may be disease modifiers. Suboptimal systems for delivery of healthcare to high-risk populations are obvious targets for blame. Poor children are more likely than nonpoor children to receive sick care in emergency rooms that lack a connection to chronic care providers. Besides the method of delivery, the quality of care is questionable, as poor children are less likely to receive the anti-inflammatory maintenance medications for asthma that evidence-based guidelines recommend. Efforts to correct these problems must take into account such issues as explaining the nature of the disease and the best intervention strategies to people who have a diverse array of cultural backgrounds, belief systems, and life stressors. Efforts to improve the status quo are underway in many communities. Environmental control measures to reduce dust mite and cockroach exposure have met with some success. Models to improve access to care and acceptance of care may improve community outreach maneuvers that connect the medical establishment with families and patients. Examination and assessment of new approaches to facilitate this sort of communication hold promise and are receiving attention as well as research dollars.