Neonatal fatty acid status and cardiometabolic health at 9years

Jorien Seggers1, Hedwig K Kikkert1, Corina de Jong2

  • 1Department of Paediatrics, Division of Developmental Neurology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.

Insights

Higher levels of arachidonic acid (AA) and a higher AA to docosahexaenoic acid (DHA) ratio at birth are linked to lower diastolic blood pressure (BP) in children at age 9. This finding suggests early-life fatty acid status impacts later cardiovascular health.

Area of Science:

  • Cardiovascular Health
  • Nutritional Science
  • Pediatric Health

Background:

  • Long-chain polyunsaturated fatty acids (LCPUFAs) are crucial for development and health.
  • Previous research showed no effect of postnatal LCPUFA supplementation on blood pressure (BP) and anthropometrics.
  • The association between cord blood LCPUFA status and later cardiometabolic health remains largely unknown.

Purpose of the Study:

  • To investigate the relationship between umbilical cord levels of docosahexaenoic acid (DHA) and arachidonic acid (AA) and BP and anthropometrics at age 9.
  • To explore potential early-life predictors of cardiometabolic outcomes.

Main Methods:

  • An observational follow-up study of 229 children from a prior randomized controlled trial (RCT).
  • Umbilical cord vein and artery levels of DHA and AA were measured.
  • Multivariable analyses were used to assess associations with BP and anthropometrics at age 9, adjusting for confounders.

Main Results:

  • Higher umbilical AA levels were associated with lower diastolic BP at age 9 (vein: p=0.030; artery: p=0.046).
  • The umbilical AA:DHA ratio was negatively associated with diastolic BP (p=0.015).
  • No significant associations were found between neonatal LCPUFA status and systolic BP, heart rate, or anthropometrics.

Conclusions:

  • Elevated AA levels and a higher AA:DHA ratio at birth may be protective against elevated diastolic BP later in childhood.
  • These findings suggest that the role of LCPUFAs in cardiometabolic health may differ in early life compared to adulthood.
  • Neonatal fatty acid status could be an important factor in long-term cardiovascular health trajectories.
Abstract

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