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KMID : 1225720180100060648
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Allergy, Asthma & Immunology Research : AAIR
2018 Volume.10 No. 6 p.648 ~ p.661
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Pollen-Food Allergy Syndrome in Korean Pollinosis Patients: A Nationwide Survey
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Kim Mi-Ae
Kim Dong-Kyu
Yang Hyeon-Jong
Yoo Young
Ahn Young-Min
Park Hae-Sim
Lee Hyun-Jong
Jeong Yi-Yeong
Kim Bong-Seong
Bae Woo-Yong
Jang An-Soo
Park Yang
Koh Young-Il
Lee Jae-Chun
Lim Dae-Hyun
Kim Jeong-Hee
Lee Sang-Min
Kim Yong-Min
Jun Young-Joon
Kim Hyo-Yeol
Kim Yun-Sun
Choi Jeong-Hee
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Abstract
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Purpose: Pollen-food allergy syndrome (PFAS) is an immunoglobulin E (IgE)-mediated allergy in pollinosis patients caused by raw fruits and vegetables and is the most common food allergy in adults. However, there has been no nationwide study on PFAS in Korea. In this study, we investigated the prevalence and clinical characteristics of PFAS in Korea.
Methods: Twenty-two investigators participated in this study, in which patients with allergic rhinoconjunctivitis and/or bronchial asthma with pollen allergy were enrolled. The questionnaires included demographic characteristics, a list of fruits and vegetables, and clinical manifestations of food allergy. Pollen allergy was diagnosed by skin prick test and/or measurement of the serum level of specific IgE.
Results: A total of 648 pollinosis patients were enrolled. The prevalence of PFAS was 41.7% (n = 270). PFAS patients exhibited cutaneous (43.0%), respiratory (20.0%), cardiovascular (3.7%) or neurologic symptoms (4.8%) in addition to oropharyngeal symptoms. Anaphylaxis was noted in 8.9% of the PFAS patients. Seventy types of foods were linked to PFAS; e.g., peach (48.5%), apple (46.7%), kiwi (30.4%), peanut (17.4%), plum (16.3%), chestnut (14.8%), pineapple (13.7%), walnut (14.1%), Korean melon (12.6%), tomato (11.9%), melon (11.5%) and apricot (10.7%). Korean foods such as taro/taro stem (8.9%), ginseong (8.2%), perilla leaf (4.4%), bellflower root (4.4%), crown daisy (3.0%), deodeok (3.3%), kudzu root (3.0%) and lotus root (2.6%) were also linked to PFAS.
Conclusions: This was the first nationwide study of PFAS in Korea. The prevalence of PFAS was 41.7%, and 8.9% of the PFAS patients had anaphylaxis. These results will provide clinically useful information to physicians.
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KEYWORD
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Pollen-food allergy syndrome, pollen, food allergy
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