期刊
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION
卷 101, 期 1, 页码 43-49出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/archdischild-2014-308013
关键词
Congenital Abnorm; Epidemiology; Cardiology
类别
资金
- Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities [U50/CCU913241, U50/CCU822097]
Objective To evaluate whether better diet quality in mothers is associated with lower risk for major non-syndromic congenital heart defects in their children. Design Multicentre population-based case-control study, the National Birth Defects Prevention Study. Setting Ten sites in the USA. Participants Mothers of babies with major non-syndromic congenital heart defects (n=9885) and mothers with unaffected babies (n=9468) with estimated date of delivery from 1997 to 2009. Main outcome measures Adjusted ORs for specific major congenital heart defects by quartiles of maternal diet quality in the year before pregnancy, assessed by the Diet Quality Index for pregnancy (DQI-P) and the Mediterranean Diet Score. Quartile 1 (Q1) reflecting the worst diet quality and Q4 the best diet quality. Results Better diet quality was associated with reduced risk for some conotruncal and atrial septal heart defects. For DQI-P, estimated risks reductions (Q4 vs Q1) for conotruncal defects were 37% for tetralogy of Fallot (OR 0.63, 95% CI 0.49 to 0.80) and 24% overall (OR 0.76, 95% CI 0.64 to 0.91); and for septal defects, 23% for atrial septal defects (OR 0.77, 95% CI 0.63 to 0.94) and 14% overall (OR 0.86, 95% CI 0.75 to 1.00). Risk reductions were weaker or minimal for most other major congenital heart defects. Conclusions Better diet quality is associated with a reduced occurrence of some conotruncal and septal heart defects. This finding suggests that a reduction in certain cardiac malformations may be an additional benefit of improved maternal diet quality, reinforcing current preconception care recommendations.
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