期刊
AMERICAN JOURNAL OF CLINICAL NUTRITION
卷 91, 期 3, 页码 628-634出版社
OXFORD UNIV PRESS
DOI: 10.3945/ajcn.2009.28603
关键词
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资金
- Channel 7 Children's Research Funds
- Women's and Children's Hospital Foundation
- University of Adelaide
- National Health and Medical Research Council of Australia
- Faculty of Health Sciences
Background: The visual and mental development of preterm infants improved after feeding them milk enriched with docosahexaenoic acid (DHA) in amounts matching the fetal accretion rate. Objective: The objective was to evaluate whether feeding preterm infants milk with a higher DHA content than that used in current practice influences language or behavior in early childhood. Design: This was a follow-up study in a subgroup of infants enrolled in the DINO (Docosahexaenoic acid for the Improvement in Neurodevelopmental Outcome) trial. In a double-blind randomized controlled trial, infants born at < 33 wk of gestation were fed milk containing 1% of total fatty acids as DHA (higher-DHA group) or approximate to 0.3% DHA (control group) until reaching full-term equivalent age. The longer-term effects of the intervention on language, behavior, and temperament were measured by using the MacArthur Communicative Development Inventory (MCDI) at 26-mo corrected age, the Strengths and Difficulties Questionnaire (SDQ), and the Short Temperament Scale for Children (STSC) between 3-and 5-y corrected age. Results: Mean (+/- SD) MCDI scores did not differ significantly (adjusted P = 0.8) between the higher-DHA group (308 +/- 179, n = 60) and the control group (316 +/- 192, n = 67) per the Vocabulary Production subscale. Composite scores on the SDQ and STSC did not differ between the higher-DHA group and the control group [SDQ Total Difficulties: higher-DHA group (10.3 +/- 6.0, n = 61), control group (9.5 +/- 5.5, n = 64), adjusted P = 0.5; STSC score: higher-DHA group (3.1 +/- 0.7, n = 61), control group (3.0 +/- 0.7, n = 64), adjusted P = 0.3]. Conclusions: Feeding preterm infants milk containing 3 times the standard amount of DHA did not result in any clinically meaningful change to language development or behavior when assessed in early childhood. Whether longer-term effects of dietary DHA supplementation can be detected remains to be assessed. This trial was registered with the Australia and New Zealand Clinical Trial Registry at www.anzctr.org.auas 12606000327583. Am J Clin Nutr 2010;91:628-34.
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