IMPLEMENTATION STATUS OF THE ORAL FOOD CHALLENGE IN JAPAN

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  • Imai Takanori
    Department of Pediatrics, Showa University School of Medicine:Clinical Research Center, National Sagamihara Hospital
  • Ebisawa Motohiro
    Clinical Research Center, National Sagamihara Hospital

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Other Title
  • 全国経口食物負荷試験実施状況 : 平成23年即時型食物アレルギー全国モニタリング調査から
  • ゼンコク ケイコウ ショクモツ フカ シケン ジッシ ジョウキョウ : ヘイセイ 23ネン ソクジガタ ショクモツ アレルギー ゼンコク モニタリング チョウサ カラ

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Abstract

Background: Oral Food Challenge (OFC) has been covered by medical insurance and has been acknowledged as a standardized method for diagnosis of food allergies. After 5 years have passed, we would clarify the state of achievement for OFC, list up the problems, and produce the basic information for the policies in our future. Method: The investigation had been done toward allergic specialists for Japanese Society of Allergology and the members of Japanese Society of Pediatric Allergy and Clinical Immunology. Results: 1353 doctors answered the questionnaires. It consists of Practitioners for 49.9%, doctors working for hospitals with more than 100 beds for 43.9%, and their specialized fields are Pediatrics for 65%, Internal medicine for 18.8%. The examination shows OFC was not done for 60% of the total population. Out of 541 facilities, 47.5% for 1 to 10 OFC per year, 22% for 11 to 30 OFC per year, 11.3% for 31-50 OFC per year, 8.7% for 51-100 OFC per year, and 10.5% for more than 100 OFC per year. Based on the population with the age under 9, the national OFC fill-rate average is 6.4% considering ratio of patient population. Conclusions: OFC has been examined widely by allergic specialists in Japan. However, the fill-rate is not enough and we need to test more OFC strategically.

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