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House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran

BACKGROUND: Being exposed to house dust mites intensifies atopic dermatitis. This study has investigated the contamination rate with Dermatophagoides mites in patient’s residential home with atopic dermatitis. METHODS: In this cross-sectional study, 40 patients took part with atopic dermatitis (posi...

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Autores principales: Ziyaei, Toktam, Berenji, Fariba, Jabbari-Azad, Farahzad, Fata, Abdolmajid, Jarahi, Lida, Fereidouni, Mohammad
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Tehran University of Medical Sciences 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5641619/
https://www.ncbi.nlm.nih.gov/pubmed/29062855
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author Ziyaei, Toktam
Berenji, Fariba
Jabbari-Azad, Farahzad
Fata, Abdolmajid
Jarahi, Lida
Fereidouni, Mohammad
author_facet Ziyaei, Toktam
Berenji, Fariba
Jabbari-Azad, Farahzad
Fata, Abdolmajid
Jarahi, Lida
Fereidouni, Mohammad
author_sort Ziyaei, Toktam
collection PubMed
description BACKGROUND: Being exposed to house dust mites intensifies atopic dermatitis. This study has investigated the contamination rate with Dermatophagoides mites in patient’s residential home with atopic dermatitis. METHODS: In this cross-sectional study, 40 patients took part with atopic dermatitis (positive or negative for mites by prick Dermal Test). Samples were collected from 3 locations (living room, bedroom and bed) by vacuum cleaner. Dust samples (transferred to freezer −20 °C) were examined by direct method and flotation. The data were analyzed using statistical SPSS vr.20 software. RESULTS: Twenty patients of positive prick test included 8 (40%) male and 12 (60%) female. The results of direct observation of mites: 7 cases (35%) in bedding sheets, 6 cases (30%) bedrooms’ carpet, 3 cases (15%) living room’s carpet. Twenty patients of negative prick test included 8 (40%) male and 12 (60%) female. Only mites were found (5%) in living room’s carpets of negative prick test patients. Dermatophagoides pteronyssinus was more frequent than Dermatophagoides farinae. (98% vs 83%). CONCLUSION: Fifty-five percent of residential homes of prick test positive patients and only 5% of residential homes of prick test negative patients were positive for mite. Sunshine provided home had fewer mites than home where sunshine is not provided. Prick test positive patients used handmade carpets more than machine made ones. In positive prick test patients, mites were found in bed sheet and bedroom’s carpet more than negative prick test patient’s sheets and carpets.
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spelling pubmed-56416192017-10-23 House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran Ziyaei, Toktam Berenji, Fariba Jabbari-Azad, Farahzad Fata, Abdolmajid Jarahi, Lida Fereidouni, Mohammad J Arthropod Borne Dis Original Article BACKGROUND: Being exposed to house dust mites intensifies atopic dermatitis. This study has investigated the contamination rate with Dermatophagoides mites in patient’s residential home with atopic dermatitis. METHODS: In this cross-sectional study, 40 patients took part with atopic dermatitis (positive or negative for mites by prick Dermal Test). Samples were collected from 3 locations (living room, bedroom and bed) by vacuum cleaner. Dust samples (transferred to freezer −20 °C) were examined by direct method and flotation. The data were analyzed using statistical SPSS vr.20 software. RESULTS: Twenty patients of positive prick test included 8 (40%) male and 12 (60%) female. The results of direct observation of mites: 7 cases (35%) in bedding sheets, 6 cases (30%) bedrooms’ carpet, 3 cases (15%) living room’s carpet. Twenty patients of negative prick test included 8 (40%) male and 12 (60%) female. Only mites were found (5%) in living room’s carpets of negative prick test patients. Dermatophagoides pteronyssinus was more frequent than Dermatophagoides farinae. (98% vs 83%). CONCLUSION: Fifty-five percent of residential homes of prick test positive patients and only 5% of residential homes of prick test negative patients were positive for mite. Sunshine provided home had fewer mites than home where sunshine is not provided. Prick test positive patients used handmade carpets more than machine made ones. In positive prick test patients, mites were found in bed sheet and bedroom’s carpet more than negative prick test patient’s sheets and carpets. Tehran University of Medical Sciences 2017-05-27 /pmc/articles/PMC5641619/ /pubmed/29062855 Text en Copyright© Iranian Society of Medical Entomology & Tehran University of Medical Sciences http://creativecommons.org/licenses/by/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
spellingShingle Original Article
Ziyaei, Toktam
Berenji, Fariba
Jabbari-Azad, Farahzad
Fata, Abdolmajid
Jarahi, Lida
Fereidouni, Mohammad
House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title_full House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title_fullStr House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title_full_unstemmed House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title_short House Dust Mite Prevalence in the House of Patients with Atopic Dermatitis in Mashhad, Iran
title_sort house dust mite prevalence in the house of patients with atopic dermatitis in mashhad, iran
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5641619/
https://www.ncbi.nlm.nih.gov/pubmed/29062855
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