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环境室内空气中真菌孢子指南

Guidelines on ambient intramural airborne fungal spores.

机构信息

Aerobiology Unit, Institute for Lung Health, Department of Infection, Immunity and Inflammation, University of Leicester, Leicester, United Kingdom.

出版信息

J Investig Allergol Clin Immunol. 2010;20(6):490-8.

Abstract

OBJECTIVES

To generate baseline data for indoor airborne fungal spores in noncomplaint residential properties (with no moisture/mold-related problems) and to identify home characteristics indicative of elevated fungal levels.

METHODS

Air samples were collected onto petroleum jelly-coated slides from living rooms of 100 residential properties in Leicestershire, United Kingdom, using a Burkard continuous recording air sampler. The slides were examined by microscopy to determine fungal spore concentrations (spores/m3 air/day).

RESULTS

Total indoor fungal spore concentrations were approximately 16% of outdoor concentrations. Abundant indoor fungal genera include Cladosporium, Sporobolomyces, Tilletiopsis, and Didymella, all of which followed seasonal patterns of release and detection. No clear association was shown between outdoor-predominant fungi and home characteristics. In contrast, Aspergillus/Penicillium-type (Asp/ Pen-type) spores were common indoors and exceeded outdoor levels, with the highest concentrations detected in properties over 90 years old (P = .006) and terraced properties (P = .003).

CONCLUSION

Asp/Pen-type spores are found in noncomplaint UK residential properties and mostly in old terraced houses. This study provides guidelines on acceptable levels of Asp/Pen-type spores and other abundant indoor fungal taxa that can be comparatively used in clinical evaluations of fungal exposure-related disease.

摘要

目的

生成无投诉住宅物业(无潮湿/霉菌相关问题)室内空气真菌孢子的基线数据,并确定表明真菌水平升高的家庭特征。

方法

使用 Burkard 连续记录空气采样器从英国莱斯特郡 100 处住宅物业的客厅采集空气样本到凡士林涂层载玻片上。通过显微镜检查载玻片以确定真菌孢子浓度(每立方米空气/天的孢子数)。

结果

室内总真菌孢子浓度约为室外浓度的 16%。丰富的室内真菌属包括枝孢属、节菱孢属、束梗孢属和拟黑粉属,所有这些属都遵循释放和检测的季节性模式。室外优势真菌与家庭特征之间没有明显的关联。相比之下,曲霉/青霉型(Asp/Pen 型)孢子在室内很常见且超过室外水平,在超过 90 年历史的物业(P =.006)和排屋物业(P =.003)中检测到的浓度最高。

结论

Asp/Pen 型孢子存在于无投诉的英国住宅物业中,主要存在于老旧的排屋中。本研究提供了关于可接受的 Asp/Pen 型孢子和其他丰富的室内真菌类群水平的指南,这些指南可用于评估与真菌暴露相关疾病的临床。

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