Peer-reviewed veterinary case report
House dust mites in homes of dogs with atopic dermatitis
By Farmaki, Rania et al.·Published in Veterinary dermatology·2010·Clinic of Medicine·View original on PubMed →
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Original publication title: Presence and density of domestic mites in the microenvironment of mite-sensitive dogs with atopic dermatitis.
- Species:
- dog
Plain-English summary
A study found that dogs with atopic dermatitis (a skin allergy) had a higher presence of dust mites in their homes compared to healthy dogs. In homes with allergic dogs, 95% had dust mites, while only 65% of homes with healthy dogs had them. The dust samples showed that the number of mites was significantly greater in the areas where the allergic dogs slept. This suggests that reducing dust mite exposure might help manage skin allergies in sensitive dogs.
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Abstract
This study was designed to investigate the presence and density of domestic mites (DMs) in households with atopic dogs sensitive to these mites (group A; n=20), in households with clinically healthy, nonatopic dogs (group B; n=20) and in households without pets (group C; n=25). Dust samples were vacuum-collected from the owner mattress (all groups) and dog sleeping area (groups A and B) or living room couch (group C) on four consecutive occasions, reflecting the four seasons of the year. DMs were found, at least once, in 19 of 20 (95%) group A, 13 of 20 (65%) group B and 21 of 25 (84%) group C households. DM numbers per gram of dust were 0-159 (median, 8.8), 0-302 (median, 3) and 0-1473 (median, 6.9) for group A, B and C, respectively. Dermatophagoides farinae predominated in all groups, since it was identified in 60% of group A, 40% of group B and 64% of group C households. Dermatophagoides pteronyssinus was found in 45%, 35% and 48% of households, in group A, B and C, respectively. No differences were found between households with (groups A and B) or without dogs (group C). When considering both sampling sites together, frequency of DM recovery was higher in group A than in group B (P=0.044). Also, both mite frequency (P=0.011) and density (P=0.015) in dog sleeping area were higher in group A than in group B. In conclusion, presence and density of DMs is higher in the microenvironment of mite-sensitive dogs with atopic dermatitis than in that of clinically healthy nonatopic dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20456719/