The Correlation between Increased Sensitization Rate to Weedsin Children and the Annual Increase in Weed Pollen in Korea

소아에서 잡초류 알레르기 감작률의 증가와 알레르기성 잡초류의 연중 화분량과의 상관관계

오재원;강임주;김성원;국명희;김봉성;신경수;한윤수;신수아;이하백;손명현;정지태;이혜란;김규언

  • Published : 20060000

Abstract

Purpose : Recently allergic diseases have gradually increased in schools and among preschool aged childhood. Pollen amount of weeds also, especially ragweed, were increased. We evaluated the increased pollen count of weed was associated with the sensitization rate to weed in childhood. Methods : Airborne particles carrying allergens were collected daily from eight stations nationwide(Seoul, Guri, Cheongju, Daegu, Kwangju, Busan, Kangneung, and Jeju) by using 7 days-Burkard sampler(Burkard Manufacturing Co Ltd, Hertfordshire, UK), for 7 years in South Korea(July 1, 1997-June 30, 2004). They were counted and recorded along with the weather. Data was collected through pediatric patients with allergic symptoms, who visit the pediatrics allergy clinics and capable of allerfy skin test among hospitals that have pollen collecting centers. Results : Airborne pollen has two peak seasons : May and September in Korea. There were the tree pollen seasons from the middle of February to late July, then followed the grasses and weed season from the middle of July to the end of October. Ragweed was one of the most common pollens of autumn in Korea. In skin prick tests, Mugwort was the highest sensitization rate(7.6 percent), followed by ragweed(7.1 percent), birch(6.1 percent), alder, grasses mix among the pollen extracts in Korean school aged children. Ragweed pollen counts have gradually increased since 2000. In the same period, sensitization rates for airborne pollen, especially weeds, in Korean children have increased annually(1999 : 4.4 percent, 2000 : 7.1 percent, 2001 : 7.4 percent, 2002 : 8.5 percent, 2003 : 7.7 percent). Conclusion : Sensitization rates for outdoor airborne pollens have increased in Korean children. These findings might result from the changes of life styles and living environments in Korea.

목 적 : 잡초류의 대표적인 돼지풀이 최근 그 분포가 증가하고 있으며 소아연령에서도 돼지풀에 대한 감작이 증가하게 되어 소아알레르기 환자에게 위험인자로 대두되고 있어 이에 대한 면밀한 조사가 필요하게 되었다. 잡초류 특히, 돼지풀의 증가가 실제적으로 어떤 임상적인 의의가 있는 지에 대하여 알아보고자 하였다.방 법 : 전국에 화분 분포를 조사하고 있는 지역(서울, 구리, 대구, 부산, 광주)을 대상으로 화분에 대한 알레르기 피부시험을 실시하여 소아연령(0-18세)에서 각 화분에 대한 감작률을 파악하고 그 지역의 연중 화분량을 조사하고 각 화분알레르겐에 대한 감작률을 조사하여 이들의 상관관계를 연구하고자 하였다. 특히 잡초류의 화분량과 이에 대한 알레르기 감작률에 대한 상관관계를 조사하였다.결 과 : 잡초류 화분은 돼지풀과 쑥의 화분이 가장 많이 나타났으며 전국 평균의 최고치가 1997-2000년에는 89-128 grains/m3/day이었으나 2001-4년 275-302 grains/m3/day로 급증하는 경향을 보였다. 2003년의 돼지풀에 대한 소아 감작률이 7.1%였는데 이는 성인 감작률(6.6%)과는 의미 있는 차이는 없었다. 소아연령에서의 매년 잡초류의 감작률이 증가하는 경향을 보였다.(1999년 4.4%, 2000년 7.1%, 2001년 7.4%)

Keywords

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