Peer-reviewed veterinary case report
Storage mite allergy skin test results in healthy and allergic dogs
By Mueller, Ralf S et al.·Published in Veterinary dermatology·2005·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Intradermal testing with the storage mite Tyrophagus putrescentiae in normal dogs and dogs with atopic dermatitis in Colorado.
- Species:
- dog
Plain-English summary
A group of 26 dogs with atopic dermatitis (a skin allergy condition) and 21 healthy dogs were tested for reactions to a common storage mite called Tyrophagus putrescentiae. The dogs received intradermal injections of different concentrations of the mite extract, and about one-third of both groups showed a positive reaction, indicating sensitivity to the mite. The study found no significant difference in reactions between the healthy dogs and those with atopic dermatitis. This suggests that both groups may react similarly to this type of mite, which could be relevant for managing skin allergies in dogs.
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Abstract
The purpose of this study was to evaluate reactions to intradermal injections of Tyrophagus putrescentiae extract in healthy dogs and dogs with atopic dermatitis and to compare the prevalence of positive reactions in the two groups. Twenty-one healthy dogs and 26 atopic dogs were tested intradermally with T. putrescentiae extract at 1000, 500, 250, 125, 63, 32 and 16 PNU/mL. Reactions were evaluated objectively and subjectively. A Mann-Whitney test was used to determine differences in grade of reaction to storage mites between healthy dogs and dogs with atopic dermatitis. Positive reactions to storage mite extract were most common at 1000 PNU/mL with approximately one third of normal and atopic dogs showing a positive reaction to T. putrescentiae. There was no significant difference in the incidence of positive reactions between normal and atopic dogs for any of the Tyrophagus extract concentrations.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15725102/