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Article: IgE food sensitizations amongst children with Atopic Eczema

TitleIgE food sensitizations amongst children with Atopic Eczema
Authors
KeywordsAtopic eczema
Food allergy
IgE
RAST
Skin prick test
Issue Date2011
PublisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.asp
Citation
Hong Kong Journal Of Paediatrics, 2011, v. 16 n. 3, p. 155-163 How to Cite?
AbstractBackground: Despite an increasing body of clinical and laboratory evidence suggesting that food hypersensitivity plays a pathogenic role in Atopic Eczema (AE) in a subset of patients, whether IgE food sensitization has any impact on the clinical severity of AE is not clearly established. Objective: To investigate the association between the severity of eczema and immunoglobulin E mediated food sensitization among atopic eczema children in Hong Kong. Study Design: A retrospective chart review study of total 77 atopic eczema cases (age 0-14 years) was carried out. The eczema severity scores (three item severity scores TIS), skin prick test results (wheal diameters), and food specific immunoglobulin E levels, clinician diagnosed food allergy were recorded as main outcome measures. Immunoglobulin E mediated food sensitization was diagnosed when the skin prick test resulted in a wheal diameter of greater than 3 mm compared with the negative control and serum food specific immunoglobulin E level greater than 0.35 ku/L. Result: Overall IgE food sensitization to at least 1 food by either skin prick test or blood test was 81.8%. Eczema severity by TIS was not correlated with the frequency of immunoglobulin E mediated food sensitizations (p-value=0.1346). More than 60% of children in this study developed eczema before 6 months old and this early onset eczema group was highly associated with egg, cow's milk and fish sensitizations (p-value=0.0179, 0.015, and 0.0468 respectively). A positive association was found between the eczema severity and serum total IgE level (p-value=0.002). Conclusion: IgE food sensitization is very common in this small cohort of Hong Kong children with atopic eczema. Most eczema children with or without clinical history of food reactions have shown positive SPT and CAP-FEIA, or one of the two. Severity of atopic eczema is positively associated with the levels of total IgE. It was not shown that any particular food sensitization was associated with severity of eczema.
Persistent Identifierhttp://hdl.handle.net/10722/137461
ISSN
2023 Impact Factor: 0.1
2023 SCImago Journal Rankings: 0.117
References

 

DC FieldValueLanguage
dc.contributor.authorHo, MHKen_HK
dc.contributor.authorAung, KPPen_HK
dc.contributor.authorWong, WHSen_HK
dc.contributor.authorChan, EYTen_HK
dc.contributor.authorLee, TLen_HK
dc.contributor.authorChong, CYen_HK
dc.contributor.authorChow, WCen_HK
dc.contributor.authorLee, PPWen_HK
dc.contributor.authorLau, YLen_HK
dc.date.accessioned2011-08-26T14:25:37Z-
dc.date.available2011-08-26T14:25:37Z-
dc.date.issued2011en_HK
dc.identifier.citationHong Kong Journal Of Paediatrics, 2011, v. 16 n. 3, p. 155-163en_HK
dc.identifier.issn1013-9923en_HK
dc.identifier.urihttp://hdl.handle.net/10722/137461-
dc.description.abstractBackground: Despite an increasing body of clinical and laboratory evidence suggesting that food hypersensitivity plays a pathogenic role in Atopic Eczema (AE) in a subset of patients, whether IgE food sensitization has any impact on the clinical severity of AE is not clearly established. Objective: To investigate the association between the severity of eczema and immunoglobulin E mediated food sensitization among atopic eczema children in Hong Kong. Study Design: A retrospective chart review study of total 77 atopic eczema cases (age 0-14 years) was carried out. The eczema severity scores (three item severity scores TIS), skin prick test results (wheal diameters), and food specific immunoglobulin E levels, clinician diagnosed food allergy were recorded as main outcome measures. Immunoglobulin E mediated food sensitization was diagnosed when the skin prick test resulted in a wheal diameter of greater than 3 mm compared with the negative control and serum food specific immunoglobulin E level greater than 0.35 ku/L. Result: Overall IgE food sensitization to at least 1 food by either skin prick test or blood test was 81.8%. Eczema severity by TIS was not correlated with the frequency of immunoglobulin E mediated food sensitizations (p-value=0.1346). More than 60% of children in this study developed eczema before 6 months old and this early onset eczema group was highly associated with egg, cow's milk and fish sensitizations (p-value=0.0179, 0.015, and 0.0468 respectively). A positive association was found between the eczema severity and serum total IgE level (p-value=0.002). Conclusion: IgE food sensitization is very common in this small cohort of Hong Kong children with atopic eczema. Most eczema children with or without clinical history of food reactions have shown positive SPT and CAP-FEIA, or one of the two. Severity of atopic eczema is positively associated with the levels of total IgE. It was not shown that any particular food sensitization was associated with severity of eczema.en_HK
dc.languageengen_US
dc.publisherMedcom Limited. The Journal's web site is located at http://www.hkjpaed.org/index.aspen_HK
dc.relation.ispartofHong Kong Journal of Paediatricsen_HK
dc.subjectAtopic eczemaen_HK
dc.subjectFood allergyen_HK
dc.subjectIgEen_HK
dc.subjectRASTen_HK
dc.subjectSkin prick testen_HK
dc.titleIgE food sensitizations amongst children with Atopic Eczemaen_HK
dc.typeArticleen_HK
dc.identifier.emailLee, PPW:ppwlee@hku.hken_HK
dc.identifier.emailLau, YL:lauylung@hkucc.hku.hken_HK
dc.identifier.authorityLee, PPW=rp00462en_HK
dc.identifier.authorityLau, YL=rp00361en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-79961181872en_HK
dc.identifier.hkuros189537en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961181872&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue3en_HK
dc.identifier.spage155en_HK
dc.identifier.epage163en_HK
dc.publisher.placeHong Kongen_HK
dc.identifier.scopusauthoridHo, MHK=36554116300en_HK
dc.identifier.scopusauthoridAung, KPP=50060932400en_HK
dc.identifier.scopusauthoridWong, WHS=13310222200en_HK
dc.identifier.scopusauthoridChan, EYT=7401994013en_HK
dc.identifier.scopusauthoridLee, TL=50061559300en_HK
dc.identifier.scopusauthoridChong, CY=14047923000en_HK
dc.identifier.scopusauthoridChow, WC=14048056000en_HK
dc.identifier.scopusauthoridLee, PPW=14048822200en_HK
dc.identifier.scopusauthoridLau, YL=7201403380en_HK
dc.identifier.issnl1013-9923-

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