Related Experiment Video
Updated: Jul 14, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
Published on: November 4, 2010
Childhood asthma and environmental interventions
1Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA. few8@pitt.edu
Insights
Environmental interventions effectively reduce asthma triggers and improve respiratory health in children. Combining methods like allergen covers and improved cleaning is cost-effective, though education alone is insufficient for behavioral change.
Area of Science:
- Environmental Health
- Pediatric Respiratory Medicine
- Allergy and Immunology
Background:
- Household contaminants like dust mites, pet dander, and tobacco smoke are significant asthma risk factors, especially in children.
- Environmentally-mediated asthma in young children incurs substantial economic costs.
- Mechanical interventions can reduce indoor allergen levels and improve asthmatic children's health.
Purpose of the Study:
- To evaluate the effectiveness of home-based interventions for reducing asthma triggers in children.
- To assess the cost-effectiveness of these interventions.
- To identify areas for future research in asthma management.
Main Methods:
- Review of studies on mechanical interventions for asthma trigger reduction.
- Analysis of combinations of interventions including allergen-impermeable bedding, cleaning practices, HEPA vacuums, and ventilation.
- Evaluation of parental education's impact on behavior change.
Main Results:
- Combined interventions (e.g., allergen covers, improved cleaning, HEPA filters, ventilation) reduce asthma triggers and improve children's health outcomes.
- These combined interventions are cost-effective when compared to health benefits.
- Parental education alone did not effectively change behaviors like indoor smoking.
Conclusions:
- Future research should enhance educational strategies for home asthma trigger reduction.
- Long-term health effects of effective asthma trigger interventions in children require further investigation.
Background:
Contaminants encountered in many households, such as environmental tobacco smoke, house dust mite, cockroach, cat and dog dander, and mold, are risk factors in asthma. Young children are a particularly vulnerable subpopulation for environmentally mediated asthma, and the economic burden associated with this disease is substantial. Certain mechanical interventions are effective both in reducing allergen loads in the home and in improving asthmatic children's respiratory health.
Results:
Combinations of interventions including the use of dust mite-impermeable bedding covers, improved cleaning practices, high-efficiency particulate air vacuum cleaners, mechanical ventilation, and parental education are associated with both asthma trigger reduction and improved health outcomes for asthmatic children. Compared with valuated health benefits, these combinations of interventions have proven cost effective in studies that have employed them. Education alone has not proven effective in changing parental behaviors such as smoking in the home.
Conclusions:
Future research should focus on improving the effectiveness of education on home asthma triggers, and understanding long-term children's health effects of the interventions that have proven effective in reducing asthma triggers.
Related Concept Videos
Asthma I: Introduction
Asthma-I: Introduction
Asthma-IV: Diagnostic and Management
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Asthma: Pathogenesis and Management
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma-II: Pathophysiology and Classification
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Asthma-III: Symptoms and Complications
Classification of Asthma