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KMID : 1035620220100020105
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Allergy Asthma & Respiratory Disease
2022 Volume.10 No. 2 p.105 ~ p.109
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Additional diagnostic value of component resolved diagnosis in children with kiwifruit allergy
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Lee Jeong-Min
Kim Hye-Bo
Jeong Kyung-Uk
Jeon Se-Ah
Jeon Se-Ah
Lee Soo-Young
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Abstract
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Purpose: In food allergy, significant component antigens can be assessed by using the microarray. The purpose of this study was to evaluate the diagnostic value of component resolved diagnosis (CRD) in young children with kiwifruit allergy.
Methods: Through a retrospective review of medical records, we evaluated the clinical characteristics of 12 children who underwent measurement of serum immunoglobulin E concentrations to kiwifruit (kiwi-sigE) and were diagnosed as kiwifruit allergy. We applied ImmunoCAP ISAC-CRD 112 using the residual sera of patients at the initial visit.
Results: The median age of kiwifruit allergic children was 33.5 months (range, 13 to 84 months), and the proportion of systemic reactions, including 2 anaphylaxis cases, was 66.7%. Four had localized reactions on the lips. A total of 11 (91.7%) were sensitized to Act d 1; among them, 8 were mono-sensitized to Act d 1 and 3 were sensitized to ≥2 kiwifruit components. There was no significant difference in CRD results between those with systemic reactions and those with local reactions.
Conclusion: Act d 1 is the major allergenic component in Korean young children with clinical kiwifruit allergy. The additional diagnostic value of the CRD in diagnosing and predicting the severity of kiwifruit allergy is expected to be low in young children.
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KEYWORD
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KIWI protein, actinidin, Food hypersensitivity, Microarray analysis, Child
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