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  Authority of Polish Society of Allergology

vol 14. no 4. December 2009  

 Original articles
The living conditions and the acarofauna of dust collected from the apartments in North-West Poland
Łukasz Henszel, Elżbieta Kalisińska, Danuta Kosik-Bogacka, Wanda Kuźna-Grygiel

Aim of the study: The aim of this study was to determine the relationship
between the type of heating, the number of residents, and
the presence of domestic animals vs. the composition of acarofauna
of home dust in the apartments surveyed in the West Pomeranian voivodship,
NW Poland.
Material and methods: The survey was carried out from October to
December, in the years 2004-2006. There were 66 samples of dust collected
from couches, beds and mattresses, where people slept. Mites
were extracted with the help of Berlese method (using funnels), and
preserved in the 70% ethanol. Apart from the taxonomic composition,
we determined the abundance of mites in 1g of dust.
Results: In the analyzed dust the following species of mites were determined:
Dermatophagoides farinae, D. pteronyssinus, Euroglyphus
maynei, Hirstia, Chortoglyphus arcuatus, Lepidoglyphus destructor,
Gohieria fusa and Cheyletus sp. The abundance of mites D. farinae
and D. pteronyssinus in the apartments heated with tiled stoves was
greater than in the apartments with central heating. Mites from genus
Cheyletus were the most abundant per 1 g of dust in the apartments
with central heating, but the differences between the respective abundances
were not confirmed statistically. The greatest number of taxa
were observed in the apartments with 3 to 5 residents. A distinctly
higher abundance of D. pteronyssinus was observed in the apartments
inhabited by allergy sufferers in comparison with the apartments with
inhabitants without allergies. However, the differences between the
mean values of this parameter were not significant. Nonetheless, statistically
confirmed correlations were found between:
• the number of mites (D. farinae and Cheyletus sp.) and the type of heating,
• the number of D. pteronyssinus and the number of inhabitants,
• the number of D. pteronyssinus and the presence of persons with allergy.
Conclusions: The obtained results confirm the high frequency of domestic
dust mites in sleeping places in the apartments in NW Poland. They
also show a correlation between the type of heating and the number of
residents vs. the composition and abundance of home dust acarofauna.

keywords: akarofauna, Glycyphagidae, Pyroglyphidae, roztocze alergogenne, acarofauna, allergic mites, Glycyphagidae, Pyroglyphidae

pages: from 252 to 258

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