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KMID : 0363220160540100796
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Korean Journal of Dermatology
2016 Volume.54 No. 10 p.796 ~ p.802
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Prevalence of Pork Allergy in Korea
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Son Jee-Hee
Choi Yong-Won
Cho Yong-Se
Byun Yun-Sun
Chung Bo-Young
Jo Hee-Jin
Kim Hye-One
Park Cheon-Wook
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Abstract
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Background: Pork is one of the most widely consumed meats in Korea. With increased consumption of pork, it has become one of the most common causes of food allergy in Korea. However, actual data on the prevalence of pork allergy in Korea are limited.
Objective: The aim of this study was to estimate the prevalence of pork allergy in Korea. Methods: The outpatient attendees of the dermatology department of Kangnam Sacred Heart Hospital were randomly screened and assessed for a self-reported history of pork allergy through face-to-face interviews and self-administered questionnaires. Blood samples were taken from the patients to measure serum pork-specific IgE. Based on their history and laboratory results, patients were further examined by skin prick test (SPT) and open oral food challenge (OFC) tests.
Results: Five-hundred participants answered the screening questionnaire. Among all participants, nine (1.8%) participants claimed to have experienced adverse reactions to pork previously. Among 100 participants who underwent blood sampling, five (5%) participants had elevated level of serum IgE specific to pork. However, among nine participants with self-reported pork allergy, two participants (0.22%) showed a positive reaction on the open OFC test.
Conclusion: Some participants claimed to have a history of adverse reaction related to pork intake; however, few of them showed positive results in allergy tests. We therefore conclude that the prevalence of pork allergy is extremely low in Korea.
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KEYWORD
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Food allergy, Food intolerance, Pork allergy, Prevalence
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