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KMID : 1035620140020020097
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Allergy Asthma & Respiratory Disease
2014 Volume.2 No. 2 p.97 ~ p.102
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Changes of aeroallergen sensitization in children with asthma or allergic rhinitis from a tertiary referral hospital in Seoul over 10 years
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Jung Young-Ho
Hwang Keum-Hee
Kim Kyung-Hee
Kim Min-Ju
Park Geun-Mi
Yu Jin-Ho
Yang Song-I
Lee En
Seo Ju-Hee
Kim Hyung-Young
Hong Se-hoon
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Abstract
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Purpose: Allergic diseases have been increased in Korea. The aim of this study was to investigate the changes of sensitization rate to inhalant allergens over 10 years in children with allergic diseases from a tertiary referral hospital.
Methods: Skin prick tests were done in total 2,225 children in 2000, 2005, and 2010. Changes of skin reactivity to 12 major inhalant allergens, including Tree pollen mixture I (Alder, Elm, Hazel, Poplar, Willow), Tree pollen mixture II (Beech, Birch, Oak, Plane tree), Dermatophagoides pteronyssinus, Dermatophagoides farina, Alternaria, cat dander, and dog dander were investigated.
Results: The sensitization rates to Tree pollen mixture I and II were increased as 5.0%, 6.8% in 2000, 8.5%, 9.8% in 2005, and 14.8%, 17.3% in 2010, respectively (trend P<0.001, P<0.001, respectively). And the sensitization rates to D. pteronyssinus cat dander and dog dander were changed as 55%, 4.8%, 4.8% in 2000, 62.2%, 11.9%, 28% in 2005, and 63.1%, 12.7%, 16.7% in 2010, respectively. The distribution of sensitized pollens was oak (12.8%), beech (12.4%), pine (10.3%), birch (10%), hazel (9.6%), alder (8%), elder (6.9%), elm (5.4%) in the study of 2010. When allergen/histamine ratio was compared, rates of strong sensitization over 4+ to tree pollen were increased.
Conclusion: The sensitization rates to inhalant allergens were increased in children with asthma or allergic rhinitis from a tertiary referral hospital in Seoul over last 10 years. Especially, an increase in the degree of skin reactivity was observed in cat dander, dog dander, and tree pollens. The studies to investigate the etiology of this increase and prevention will be needed.
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KEYWORD
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Allergens, Asthma, Allergic rhinitis, Hypersensitivity, Child
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