Breast-feeding does not protect against allergic sensitization in early childhood and allergy-associated disease at age 7 years

JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY

卷:136

Article

Bisgaard, Hans^1,2 

[1] Univ Copenhagen, Fac Hlth & Med Sci, Copenhagen Prospect Studies Asthma Childhood, DK-2820 Gentofte, Denmark

[2] Univ Copenhagen, Danish Pediat Asthma Ctr, Gentofte Hosp, DK-2820 Gentofte, Denmark

关键词: Breast-feeding;    sensitization;    asthma;    eczema;    skin prick test;    specific IgE;    children;   

DOI  :  10.1016/j.jaci.2015.02.023

来源: Elsevier

【 摘 要 】

Background: Extended breast-feeding is recommended for newborn children at risk of allergy-associated diseases, but the evidence of a protective effect on sensitization and these diseases remains elusive. Objective: The aim of this study was to investigate the effects of the duration of exclusive breast-feeding on the development of sensitization in preschool children. Methods: Information on breast-feeding was gathered by interviews involving 335 children aged 1, 6, and 12 months from the Copenhagen Prospective Study on Asthma in Childhood(2000) birth cohort born to mothers with a history of asthma. Skin prick test responses and specific IgE levels against 12 common inhalant and 10 food allergens were assessed longitudinally at ages 1/2 year, 1 1/2 years, 4 years, and 6 years. Eczema, wheeze/asthma, and allergic rhinitis were diagnosed at the Copenhagen Prospective Studies on Asthma in Childhood clinic at 7 years of age, strictly adhering to predefined algorithms. Associations between duration of exclusive breast-feeding and outcomes were analyzed by logistic regression. Results: We found no significant association between duration of exclusive breast-feeding and development of sensitization in the first 6 years of life (odds ratio [OR]: 1/2 year, 1.10 [95% CI, 0.90-1.36]; 1 1/2 years, 1.15 [95% CI, 0.97-1.36]; 4 years, 1.08 [95% CI, 0.93-1.25]; and 6 years, 0.96 [95% CI, 0.84-1.10]) or with current eczema, wheeze/asthma, and allergic rhinitis at age 7 years (OR, 1.07 [95% CI, 0.92-1.24]; OR, 0.97 [95% CI, 0.82-1.14]; and OR, 1.02 [95% CI, 0.84-1.23], respectively). Adjusting for reverse causation by excluding children with eczema, wheeze, or a positive skin prick test response before ending exclusive breast-feeding did not alter the results. Conclusion: Exclusive breast-feeding does not affect sensitization in early childhood or associated diseases at 7 years of age in at-risk children.

【 授权许可】

Free