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Choline may help offset alcohol’s impact on fetal brain development

Pregnancy, Neurocognitive development of children Pregnancy, Neurocognitive development of children
Pregnancy, Neurocognitive development of children Pregnancy, Neurocognitive development of children

What's new?

Prenatal and postnatal choline supplementation show potential benefits for memory, cognition, and attention in children exposed to alcohol in utero.

A systematic review and meta-analysis suggests that choline supplementation, administered either before or after birth, may offer neurocognitive benefits to children whose mothers consumed alcohol during pregnancy. The goal was to examine the impact of choline on neurodevelopmental outcomes in alcohol-exposed pregnancies.

In this study, researchers systematically searched Medline, Embase, and the Cochrane Library for suitable trials. A total of 5 trials were included, encompassing both prenatal and postnatal nutritional support strategies. The team conducted meta-analyses with the aid of standardized mean difference (SMD) along with 95% confidence intervals (CI) and also employed a random-effects model. They further incorporated Bayesian modeling with Markov chain Monte Carlo methods for estimating the posterior probability of benefit (Pr) for each outcome.

Key findings:

  • Prenatal choline supplementation demonstrated a likely benefit to memory in children of alcohol-exposed pregnancies. Across 2 trials involving 94 participants, the pooled estimate showed an SMD of 0.61 with no heterogeneity (I² = 0%) and a high Pr (SMD>0) = 96.29%. This result was rated as moderate-certainty evidence.
  • Postnatal choline use may lead to improvements in global cognitive function. Based on data from two trials (62 participants), the SMD was 0.78 with low heterogeneity (I² = 13%), and a high Pr (SMD>0) of 96.94%, though the evidence was considered low certainty.
  • Only the Bayesian analysis showed a small potential benefit of postnatal choline supplementation (SMD: 0.44), with a Pr(SMD>0) of 91.80%, based on 2 trials involving 83 children. However, the heterogeneity was high (I² = 84%), and the evidence remained low-certainty.

While prenatal supplementation appears to benefit memory, postnatal supplementation may aid general cognition.This review highlights the potential role of nutritional strategies, such as choline, in public health efforts to minimize the impact of fetal alcohol spectrum disorders and improve long-term outcomes for the affected children.

Source:

Pediatrics & Neonatology

Article:

Does supplementation of choline during or after pregnancies exposed to alcohol improve neurocognitive development of children? A meta-analysis

Authors:

Gabriel M. Lino et al.

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