Journals / Ankara Üniversitesi Veteriner Fakültesi Dergisi / 2026 / Volume: 56 Issue: 2

Application of patch test in allergic (atopic) dogs and investigation of dog allergy incidence in people

Alerjik (atopik) köpeklerde yama testi uygulamaları ve insanlarda köpek alerjisi insidansınınaraştırılması

Aziz Arda Sancak(Department of Internal Medicine, Faculty of Veterinary Medicine, Ankara University, Turkey)
Mehmet Sahal(Department of Internal Medicine, Faculty of Veterinary Medicine, Ankara University, Turkey)
Sibel Yasa Duru(Department of Internal Medicine, Faculty of Veterinary Medicine, Ankara University, Turkey)
Duygu Cakıroglu(Department of Internal Medicine, Faculty of Veterinary Medicine, Ankara University, Turkey)
Pages
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Publication Date
2009-06-01
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Moreover, these findings support the potential involvement of contact allergens in dogs with atopic dermatitis

📌 3 Key Takeaways

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Objective & Hypothesis:Incidence of canine allergic contact dermatitis (ACD) is difficult to determine, although it is regularly encountered in veterinary practice.
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Key Findings & Data:European patch test standard serial was applied to 22 allergic dogs.
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Conclusion & Impact:Moreover, these findings support the potential involvement of contact allergens in dogs with atopic dermatitis
🔬Design:Letter to Editor
📍Scope:Comprehensive Sample
⚙️Variables:Atopic dermatitis · contact allergy · dog

Abstract

Incidence of canine allergic contact dermatitis (ACD) is difficult to determine, although it is regularly encountered in veterinary practice. Patch testing is a non-invasive method of determining contact allergens that may cause eczematous skin eruptions in dogs, although standardization of the procedure is yet to be completed. The aim of the present study was to determine the frequency of contact sensitizations in dogs with dermatitis, to interpret the results from standardized allergens, and to evaluate their clinical relevance. Sensitivity to pet animals is a frequent cause of allergic symptoms in atopic human patients and/or patients with asthma. Therefore, we also try to determine the possible allergic hypersensitivity of dog owners to their own dogs. European patch test standard serial was applied to 22 allergic dogs. Test results were positive in 9 (41%) dogs with allergic dermatitis. Nickel sulphate, potassium dichromate, bis-diethydithiocarbamato-zinc, p-t-butylph.-formaldehyde-resin, fragrance mix, benzocaine, ammoniated mercury, mercapto mix and Cetylstearylalcohol were the positive allergens determined. Specific IgE (dog epithelium and dandruff) floroenzymeimmunoassay was applied to blood samples of dog owners (n = 12), as well as to a control group of non-owners (n = 10). Although the dog owners were not demonstrating any signs of allergic symptoms, they all were positive for specific IgE. On the other hand, in the control group, only 4 people (40%) were positive with specific IgE. Our data suggest that complete avoidance of dog antigen may not be possible. Moreover, these findings support the potential involvement of contact allergens in dogs with atopic dermatitis

Özet

Köpeklerde alerjik kontak dermatitis (AKD) vakalarına pratikte rastlanmakla birlikte, gerçek insidansının belirlenmesi oldukça zordur. Yama testi, kontakt alerjenlere bağlı olarak gelişen ekzematöz tipte deri rahatsızlıklarının tanısına yönelik, fakat henüz köpeklerde standardizasyonu tamamlanmamış, invaziv olmayan bir testtir. Bu araştırmada, insan hekimliği için standardize edilmiş yama testi yöntemi kullanılarak dermatitisli köpeklerde görülen alerjenlerin çeşitleri ve bunların klinik tablo ile ilişkisi araştırılmıştır. Beslediği hayvana karşı duyarlılık, atopik veya astımlı insanlarda sık görülen alerji semptomlarıdır. Bu nedenle, çalışmanın ikinci aşamasında köpek sahiplerinde köpeklerine karşı bir alerjik duyarlılık gelişip gelişmediği de araştırılmıştır. Çalışmada 22 adet alerjik dermatitisli köpeğe, standart “Avrupa yama testi” uygulandı. Yama testi 9 (%41) köpekte pozitif sonuç verirken, pozitif alerjenler kapsamında nikel sülfat, potasyum dikromat, çinko-diethydithiokarbamat, p-t-butylph.-formaldesid, “fragrance“ karışımı, IPPD, benzokain, cıva (II)-amid-klorid, merkapto karışımı, setylstearylalkohol saptandı. Köpek sahiplerinin (n = 12) yanısıra kontrol olarak köpek sahibi olmayan kişilerin (n = 10), kan numunelerinde spesifik IgE (köpek epiteli ve kepeği) floroenzimimmunoassay çalışıldı. Köpek sahiplerinde herhangi bir alerji belirtisi gözlenmemiş olmasına rağmen, hepsi spesifik IgE’ye karşı pozitif bulundu. Diğer yanda kontrol grubunda, yalnızca 4 kişinin (40%) spesifik IgE açısından pozitif olduğu anlaşıldı. Bu çalışmanın verileri, köpek antijeninden tamamen ari olmanın mümkün olmayabileceğini göstermektedir. Ayrıca, bu bulgular atopik dermatitli köpeklerde, kontakt alerjenlerin potansiyel varlığını desteklemektedir

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Cite This Article

Sancak, A. A., Sahal, M., Duru, S. Y., Cakıroglu, D. (2009). Application of patch test in allergic (atopic) dogs and investigation of dog allergy incidence in people. Ankara Üniversitesi Veteriner Fakültesi Dergisi, Volume: 56 Issue: 2. https://doi.org/10.1501/Vetfak_0000002165

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