Atopy risk among school-aged children in relation to early exposures to a farm environment: A systematic review - 21/09/21
, Donna C. Rennie b, c, Shelley Kirychuk b, d, Donald W. Cockcroft d, John R. Gordon d, Joshua A. Lawson b, dAbstract |
Background and objectives |
Childhood atopy is a complex condition with both a genetic and an environmental component. This systematic review will explore the current understanding of the importance of early life exposures to a farm in the development of atopy measured by objective markers of skin prick testing, and specific IgE measurements in school age children.
Methods |
A systematic review was performed.
Results |
Among 7285 references identified, 14 studies met the inclusion criteria (13 cross-sectional studies and 1 case-control study). The results were fairly consistent in that early farm-related exposures can protect children from becoming atopic at school age. In general, there was heterogeneity in the assessment of outcomes and exposures.
Conclusions |
Early-life farm exposures are associated with a protective effect on childhood atopy as assessed by objective markers. Future work should focus on understanding specific farm exposures that may important in these associations between atopy and farm exposures in children.
Le texte complet de cet article est disponible en PDF.Highlights |
• | This systematic review explored the current understanding of the importance of early life exposures to a farm in the development of atopy measured by objective markers of skin prick testing, and specific IgE measurements in school age children. |
• | Early-life farm exposures are associated with a protective effect on childhood atopy as assessed by objective markers. |
• | Future work should focus on understanding specific farm exposures that may important in these associations between atopy and farm exposures in children. |
Keywords : Farm exposure, Atopy, Childhood, Early life, Systematic review
Plan
Vol 186
Article 106378- septembre 2021 Retour au numéro
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