Detection of Fungi in Indoor Environments and Fungus-Specific IgE Sensitization in Allergic ChildrenReport as inadecuate




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World Allergy Organization Journal

, Volume 2, Issue 9, pp 208–212

First Online: 15 September 2009

Abstract

BackgroundThe aim of this study is to investigate relationships between fungal colonization in the house and IgE sensitization to fungi, and to clarify the effects of house care in relation to fungi.

Materials and MethodsWe measured levels of fungi in the houses of 52 allergic children. Of these, 32 children displayed detectable levels of IgE ≥ 0.35 UA-ml to a combination of fungi positive group. The remaining 20 children were not sensitized to fungi negative group. Each fungus-specific IgE level was also measured in sera of the positive group, and a questionnaire-based survey was conducted for daily lifestyles.

ResultsCladosporium was the most prevalent in the houses. From the 32 sera of the positive group, specific IgE levels ≥ 0.70 UA-ml were most frequently detected in 21 sera for Alternaria. Children in whose houses Alternaria was found displayed higher levels of Alternaria-IgE than those in whose houses where Alternaria was not found. In addition, Alternaria-IgE level was lower for children using an air purifier than for children who were not. Windows were more frequently opened for ventilation in negative-group houses than in positive-group houses.

ConclusionsThe existence of Alternaria might strongly induce IgE sensitization for Alternaria. Using an air purifier and frequently opening windows may minimize fungal sensitization of allergic children.

Keywordsfungus Alternaria IgE house care  Download fulltext PDF



Author: Mitsuhiko Nambu - Hisashi Kouno - Maki Aihara-Tanaka - Hideharu Shirai - Kosuke Takatori

Source: https://link.springer.com/







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