Home asthma interventions showed uneven evidence in children
A review found promising results for selected mattress covers and nighttime airflow interventions, while most approaches lacked clear effects.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review found signals of benefit for mite-impermeable mattress covers and temperature-controlled nighttime airflow, with weaker evidence for interventions combining several environmental changes. It found no clear effects for the other approaches reviewed. Because studies differed substantially and few were high quality, the findings do not establish that home environmental changes consistently improve childhood asthma.
Only 3 studies were rated high quality. The abstract does not identify the specific asthma endpoints, effect sizes or follow-up periods behind the positive results, limiting judgments about clinical importance.
A broad set of approaches
The trials addressed house dust mites, pet and pest allergens, indoor air quality, or combinations of targets. Interventions aimed solely at tobacco smoke were excluded, so the review does not answer every question about the home environment.
Promising does not mean settled
Mattress-cover findings included support from high-quality studies, while airflow studies varied in quality. The abstract's lack of clear effects for other interventions does not prove they are ineffective; it leaves uncertainty about their impact on the outcomes studied.
The original publication
Effect of indoor environmental interventions in the home on asthma in children and adolescents: A systematic review.
Hogaard NV, Sigsgaard T, Agertoft L et al.
Respir Med · 2025
- PubMed ID
- 40774466
- Record checked
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