[House dust mites at Icelandic farms].

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  • Additional Information
    • Transliterated Title:
      Maurar í húsryki á íslenskum bóndabaejum.
    • Source:
      Publisher: Icelandic Medical Association and the Medical Society of Reykjavik Country of Publication: Iceland NLM ID: 7901326 Publication Model: Print Cited Medium: Print ISSN: 0023-7213 (Print) Linking ISSN: 00237213 NLM ISO Abbreviation: Laeknabladid Subsets: MEDLINE
    • Publication Information:
      Publication: Reykjavik : Icelandic Medical Association and the Medical Society of Reykjavik
      Original Publication: Reykjavik, Domus Medica
    • Subject Terms:
      Environmental Exposure* ; Housing*; Antigens, Dermatophagoides/*immunology ; Dermatophagoides pteronyssinus/*immunology ; Hypersensitivity/*immunology ; Mites/*immunology; Animals ; Beds ; Floors and Floorcoverings ; Humans ; Iceland ; Rural Health ; Urban Health
    • Abstract:
      Background: Sensitization to Dermatophagoides pteronyssinus (D. pteronyssinus) occurs in 9% of the Reykjavik population, despite the fact that no Der p 1 antigen has been found in the area. A recent study revealed that sensitized persons more often had a childhood history of work or holiday stay in rural areas than controls. As a follow up we studied the risk of exposure to mites in farmland dwellings.
      Methods: In a survey of work-related lung disorders among farmers in the south and west of Iceland, 80 samples of house dust, representing 42 farms, were collected from bedroom mattresses and the floors in living rooms and examined for mites. Treatment of samples was identical with the method used earlier in the Reykjavik investigation (ECRHS II).
      Results: In contrast to the Reykjavik results, dust from farm dwellings showed a large diversity of mites. Seventeen taxons were found, with Acarus siro and D. pteronyssinus in 13 and 8 farms respectively, but the samples did not show signs that any of the taxons actually had lived or reproduced where they were collected.
      Conclusion: The finding of D. pteronyssinus in farmland dwellings provides a possible explanation of why some Reykjavik citizens might have developed sensitization to this mite, even though cross sensitization to other species of mites could give a false positive reaction to D. pteronyssinus in at least some of those cases. Our observations did not support the idea that the mites were living in the dwellings and an explanation for their occurrence must be sought in the outdoor environment.
    • Accession Number:
      0 (Antigens, Dermatophagoides)
    • Publication Date:
      Date Created: 20081101 Date Completed: 20081211 Latest Revision: 20081031
    • Publication Date:
      20231215
    • Accession Number:
      18974433