High-Dose Docosahexaenoic Acid Supplementation of Preterm Infants: Respiratory and Allergy Outcomes

Brett Manley, Maria Makrides, Carmel Collins, Andrew McPhee, Robert Gibson, Philip Ryan, Thomas Sullivan, Peter Davis, Lex Doyle, Karen Simmer, Paul Colditz, Scott Morris

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    84 Citations (Scopus)

    Abstract

    BACKGROUND: Docosahexaenoic acid (DHA) has been associated with downregulation of inflammatory responses. OBJECTIVE: To report the effect of DHA supplementation on long-term atopic and respiratory outcomes in preterm infants. METHODS: This study is a multicenter, randomized controlled trial comparing the outcomes for preterm infants <33 weeks' gestation who consumed expressed breast milk from mothers taking either tuna oil (high-DHA diet) or soy oil (standard-DHA) capsules. Data collected included incidence of bronchopulmonary dysplasia (BPD) and parental reporting of atopic conditions over the first 18 months of life. RESULTS: Six hundred fifty-seven infants were enrolled (322 to high-DHA diet, 335 to standard), and 93.5% completed the 18-month follow-up. There was a reduction in BPD in boys (relative risk [RR]: 0.67 [95% confidence interval (CI): 0.47-0.96]; P = .03) and in all infants with a birth weight of <1250 g (RR: 0.75 [95% CI: 0.57-0.98]; P = .04). There was no effect on duration of respiratory support, admission length, or home oxygen requirement. There was a reduction in reported hay fever in all infants in the high-DHA group at either 12 or 18 months (RR: 0.41 [95% CI: 0.18-0.91]; P = .03) and at either 12 or 18 months in boys (RR: 0.15 [0.03-0.64]; P = .01). There was no effect on asthma, eczema, or food allergy. CONCLUSIONS: DHA supplementation for infants of <33 weeks' gestation reduced the incidence of BPD in boys and in all infants with a birth weight of <1250 g and reduced the incidence of reported hay fever in boys at either 12 or 18 months.

    Original languageEnglish
    Pages (from-to)e71-e77
    Number of pages7
    JournalPediatrics
    Volume128
    Issue number1
    DOIs
    Publication statusPublished - 2011

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    Manley, B., Makrides, M., Collins, C., McPhee, A., Gibson, R., Ryan, P., Sullivan, T., Davis, P., Doyle, L., Simmer, K., Colditz, P., & Morris, S. (2011). High-Dose Docosahexaenoic Acid Supplementation of Preterm Infants: Respiratory and Allergy Outcomes. Pediatrics, 128(1), e71-e77. https://doi.org/10.1542/peds.2010-2405