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KMID : 1143120170070040234
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Asia Pacific Allergy
2017 Volume.7 No. 4 p.234 ~ p.242
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Evaluation of the results of oral food challenges conducted in specialized and general hospitals
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Sakai Kazunori
Sasaki Kemal
Furuta Tomoko
Sugiura Shiro
Watanabe Yukari
Kobayashi Takae
Kawabe Takashi
Morishita Masashi
Nakanishi Kumiko
Ito Komei
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Abstract
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Background: Oral food challenge (OFC) tests are conducted in both specialized institutions and general hospitals. We aimed to compare the severity of the conditions of the patients between these 2 types of institutions in order to consider the role of such institutions in society.
Objective: We evaluated the results of OFC tests for hen's egg, cow's milk, and wheat that were conducted in a specialized institution (Aichi Children's Health and Medical Center [ACHMC], n = 835) and in 4 general hospitals (n = 327) in Aichi prefecture, Japan.
Methods: The symptoms provoked were scored using the total score (TS) of the Anaphylaxis Scoring Aichi scoring system in combination with the total ingested protein dose (Pro) before the appearance of allergic symptoms.
Results: The total ingested dose of the challenge-positive patients in ACHMC was significantly less than that in the general hospitals (p < 0.01). The median TS of the provoked symptoms in ACHMC and the general hospitals did not differ to a statistically significant extent in the hen's egg or cow's milk challenges; however, the median TS in ACHMC was significantly lower than that in the general hospitals for the wheat challenge (p = 0.02). The median TS/Pro values in ACHMC were almost identical to the upper 25% of the TS/Pro values in the general hospitals, suggesting that the specialized institution usually managed more severe patients.
Conclusion: The specialized institution performed OFC tests at a lower threshold dose, but provoked similar TSs to the general hospitals. This evaluation may help in optimizing the distribution of patients to general hospitals and specialized institutions.
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KEYWORD
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General hospitals, Food hypersensity, Oral food challenge, Special hospital, Severity of illness index
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