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ID 57348
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Matsumoto, Naomi Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
Yorifuji, Takashi Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
Nakamura, Kazue Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
Ikeda, Masanori Department of Pediatric Acute Medicine, Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Tsukahara, Hirokazu Department of Pediatrics, Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Doi, Hiroyuki Department of Epidemiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
Abstract
Background
Although breastfeeding has been well-established as the preferred method for infant nutrition, its prophylactic effects on food allergy remain controversial. Infantile eczema has been linked to food allergy via percutaneous sensitization; however, this relationship has not been considered in previous studies. We aimed to uncover the prophylactic effects of breastfeeding on food allergy, focusing on eczema-mediated percutaneous sensitization.
Methods
This retrospective cohort study was based on 46,616 children from the Longitudinal Survey of Newborns in the 21st Century in Japan, begun in 2001. We classified participants into three groups based on infant feeding practices (exclusive breastfeeding, partial breastfeeding including only colostrum, and formula feeding only) and used information from at least one outpatient visit for food allergy during two observation periods (age 6–18 months and age 6–66 months) as health outcomes. We performed log-binomial regression analysis adjusted for potential confounders and stratified analysis according to infantile eczema status.
Results
Compared with formula feeding, partial breastfeeding including only colostrum reduced the risk of food allergy only in children with infantile eczema, (RR = 0.66, 95% CI: 0.46, 0.96 for age 6–66 months), whereas exclusive breastfeeding increased this risk in those without infantile eczema (RR = 2.41, 95% CI: 1.40, 4.15, age 6–66 months). The prophylactic effects of breastfeeding on food allergy in the infantile eczema group increased with shorter breastfeeding duration.
Conclusions
Our results showed that breastfeeding, especially colostrum, had prophylactic effects on food allergy only among high-risk children with infantile eczema whereas prolonged breastfeeding increased the risk of food allergy.
Keywords
Breastfeeding
Cohort
Colostrum
Eczema
Food allergy
Published Date
2019-09-17
Publication Title
Allergology International
Publisher
Elsevier
ISSN
13238930
NCID
AA11091750
Content Type
Journal Article
language
英語
OAI-PMH Set
岡山大学
Copyright Holders
© 2019 Japanese Society of Allergology. Production and hosting by Elsevier B.V.
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isVersionOf https://doi.org/10.1016/j.alit.2019.08.007
License
http://creativecommons.org/licenses/by-nc-nd/4.0/
Citation
Naomi Matsumoto, Takashi Yorifuji, Kazue Nakamura, Masanori Ikeda, Hirokazu Tsukahara, Hiroyuki Doi, Breastfeeding and risk of food allergy: A nationwide birth cohort in Japan, Allergology International, 2019, ISSN 1323-8930, https://doi.org/10.1016/j.alit.2019.08.007.
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OA
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