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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.
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.
Prevention of sensitization, onset of disease and disease exacerbations is a very important aspect of holistic approach towards allergic disorders. The prevalence of allergic or atopic disorders has increased significantly in children over the last three decades. There are significant variations in prevalence between countries and also within many countries. Environmental factors obviously play a major role. Environmental allergens are responsible for sensitisation, disease and exacerbations of disease symptoms. Preventive strategies at each level are important: Primary prevention is to stop the process of sensitisation and secondary prevention to prevent re-exposures or prolonged exposure in those who have become sensitized while tertiary prevention is to reduce or minimise morbidity. Various allergen avoidance measures are discussed, with reference to India so that physicians can incorporate these in the management not only of atopic patients but also as preventive strategy in high risk families.
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