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Published on: January 13, 2016
[Did glucan in indoor environment cause respiratory tract inflammation?]
R Rylander1, B Fogelmark, B Danielsson
1Göteborgs universitet.
Abstract:
Three children living in a house affected by mould manifested severe airways and general symptoms indicative of non-specific airways inflammation. Measurement of airborne (1-->3)-beta-D-glucan, a cell wall constituent in moulds, yielded values ranging from 22 to 115 ng/m3, as compared to normal values of some few ng/m3. On moving to relatives, all three children improved and could terminate medication after 2-3 weeks. The findings are consistent with previous reports of symptoms induced by exposure to mould, and suggest that quantification of viable organisms may not adequately reflect the exposure risk.
Insights
High airborne (1-->3)-beta-D-glucan from mould exposure caused severe respiratory symptoms in three children. Improvement after moving suggests mould exposure, not just viable organisms, poses a significant health risk.
Area of Science:
- Environmental Health
- Mycology
- Pediatric Medicine
Background:
- Mould exposure is linked to respiratory issues.
- Airborne (1-->3)-beta-D-glucan is a marker of mould presence.
Observation:
- Three children in a mould-affected home developed severe airway inflammation and general symptoms.
- Airborne (1-->3)-beta-D-glucan levels were significantly elevated (22-115 ng/m3) compared to normal (few ng/m3).
Findings:
- Children's symptoms resolved, and medication was discontinued within 2-3 weeks of moving to a new environment.
- The study observed a direct correlation between high mould exposure and severe respiratory symptoms.
Implications:
- Quantifying only viable mould organisms may underestimate exposure risks.
- Elevated airborne (1-->3)-beta-D-glucan indicates a significant health hazard, particularly for children.
- Environmental interventions are crucial for managing mould-related health conditions.
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