Breast milk polyunsaturated fatty acids: associations with adolescent allergic disease and lung function
NT Waidyatillake, R Stoney, F Thien, CJ Lodge… - Allergy, 2017 - Wiley Online Library
Allergy, 2017•Wiley Online Library
Background It has been hypothesized that n− 3 PUFA in breast milk may assist immune and
lung development. There are very limited data on possible long‐term effects on allergic
disease and lung function. The aim was to investigate associations of n− 3 and n− 6 PUFA
levels in colostrum and breast milk with allergic disease and lung function at ages 12 and 18
years. Methods Polyunsaturated fatty acids were measured in 194 colostrum samples and in
118 three‐month expressed breast milk samples from mothers of children enrolled in the …
lung development. There are very limited data on possible long‐term effects on allergic
disease and lung function. The aim was to investigate associations of n− 3 and n− 6 PUFA
levels in colostrum and breast milk with allergic disease and lung function at ages 12 and 18
years. Methods Polyunsaturated fatty acids were measured in 194 colostrum samples and in
118 three‐month expressed breast milk samples from mothers of children enrolled in the …
Background
It has been hypothesized that n−3 PUFA in breast milk may assist immune and lung development. There are very limited data on possible long‐term effects on allergic disease and lung function. The aim was to investigate associations of n−3 and n−6 PUFA levels in colostrum and breast milk with allergic disease and lung function at ages 12 and 18 years.
Methods
Polyunsaturated fatty acids were measured in 194 colostrum samples and in 118 three‐month expressed breast milk samples from mothers of children enrolled in the Melbourne Atopy Cohort (MACS) Study, a high‐risk birth cohort study. Associations with allergic diseases, skin prick tests and lung function assessed at 12 and 18 years were estimated using multivariable regression.
Results
Higher levels of n−3 but not n−6 PUFAs in colostrum were associated with a trend towards increased odds of allergic diseases, with strong associations observed for allergic rhinitis at 12 (OR = 5.69[95% CI: 1.83,17.60] per weight%) and 18 years (4.43[1.46,13.39]) and eczema at 18 years (9.89[1.44, 68.49]). Higher levels of colostrum n−3 PUFAs were associated with reduced sensitization (3.37[1.18, 9.6]), mean FEV1 (−166 ml [−332, −1]) and FEV1/FVC ratio (−4.6%, [−8.1, −1.1]) at 12 years.
Conclusion
Higher levels of colostrum n−3 PUFAs were associated with increased risks of allergic rhinitis and eczema up to 18 years, and sensitization and reduced lung function at 12 years. As residual confounding may have caused these associations, they should be replicated, but these results could indicate that strategies that increase maternal n−3 PUFA intake may not aid in allergic disease prevention.
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