Exposure to maternal smoking in the first year of life interferes in breast-feeding protective effect against the onset of respiratory allergy from birth to 5 yr

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology
H T V Guedes, L S F Souza

Abstract

The aim of this study was to evaluate the interaction between the exclusive breast-feeding protective effect and the exposure to tobacco smoke at domicile in the first year of life, on the onset of respiratory allergy (asthma and rhinitis) in children until 5 yr of age. This is prospective cohort study, observational, institutional based. Three hundred children born in a public hospital of Salvador-Bahia (Brazil) were followed from birth to 5 yr of age. Data from 268 children at 60 months of life were analyzed. Occurrence of allergic symptoms were studied and correlated with gender, allergic relatives in first degree, exclusive breast-feeding duration, smoking mother, and presence of other smoker at home, considering the first year of life. Exclusive breast-feeding for at least 6 months showed a protection effect against the onset of respiratory allergy in children from birth to 5 yr (p < 0.05); odds ratio (OR): 0.33 (95% CI: 0.18-0.59). Breast-fed children for less then 6 months compared with those breast-fed for 6 months or more, presented a higher risk (OR: 2.34-95% CI: 1.4-3.74) for developing allergic respiratory symptoms just to 5 yr. The protective effect of exclusive prolonged breast-feeding on the onset of respiratory ...Continue Reading

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Citations

Apr 27, 2012·TheScientificWorldJournal·Laura LauriaMichele Grandolfo
Feb 14, 2013·Asia Pacific Allergy·Martín Bedolla-BarajasJaime Morales-Romero
Apr 15, 2014·American Journal of Epidemiology·Cristian M DogaruClaudia E Kuehni
Oct 28, 2011·Allergologia et immunopathologia·R T Cohen, J C Celedón
Aug 14, 2009·Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology·J O Warner
Aug 14, 2009·Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology·Paraskevi XepapadakiNikolaos G Papadopoulos
Jan 27, 2012·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·M C MathesonM L K Tang
Jul 8, 2016·The World Allergy Organization Journal·Luis CaraballoVictoria Cardona
Sep 17, 2020·Pediatric Research·Thomas F NorthrupAngela L Stotts
Sep 19, 2020·Basic & Clinical Pharmacology & Toxicology·Nour A Al-SawalhaOmar F Khabour
Apr 3, 2021·Environmental Research·Marta SzukalskaEwa Florek

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