A Study on the Animal Epithelium as A Causative Allergen in Children with Asthma and Rhinitis
소아 천식 및 비염 환아에서 동물 상피항원 감작에 관한 연구
김, 효정; 최, 연주; 전, 계리; 이, 기선; 이, 수영
Soa Allerŭgi mit Hohŭpgi Hakhoe chi, 12(3):192-200, 2002
Soa Allerŭgi mit Hohŭpgi Hakhoe chi; Pediatric allergy and respiratory disease; 소아알레르기호흡기학회지
Purpose :The exposure to domestic animals has been increased, but there is no systematic evaluation for the clinical importance of animal antigens in Korea. The purpose of this study is to evaluate the significance of animal epithelial antigens as the causative allergens in childhood asthma and rhinitis.
Methods : In 228 children with asthma and rhinitis, allergic skin tests were done with 72 extracts, including 5 animal epithelial antigens.
Results :According to the results of allergy skin tests, 208 out of 228 children showed positive skin reactions to more than one antigens, and 128(61.4%) showed positive reactions to animal epithelial extracts. Among them, 17(8.1%) were mites non-sensitive to house dust and sensitive to animal epithelium. The positive reaction to each antigens were as follows : D. farinae(72.6%), D. pteronyssinus(69.7%), rabbit(40.3%), cat(33.1%), dog(24.0%), horse(16.8 %), and cow(14.9%). The degree of´ skin reactions to animal epithelial antigens were weaker than those to house dust mites. ´The positive concordance rates between skin tests and specific IgE reactions to D. pteronvssinus and cat/dog were 89.1%, and 25.9%, respectively. WE! experienced six patients with asthma and rhinitis who suspected animal epithelium as a causative allergen.
Conclusion : Up to 61.4% of children with respiratory allergy showed positive reactions to animal epithelial extracts and 8.1% of them were house dust mites non--sensitive cases. Therefore, animal epithelium should be investigated as a causative allergen when skin reactions were strong and showed positive specific IgE antibodies.
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