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The Sooner, the Better: Neuroprotective Strategies in Fetuses With Congenital Heart Disease
Maaike Nijman1,2, Mirthe E M van der Meijden1,2, Johannes M P J Breur1
1Center for Congenital Heart Disease Utrecht, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, the Netherlands.
Insights
Congenital heart disease (CHD) can impair fetal brain development, leading to neurodevelopmental issues. Prenatal interventions may protect the fetal brain, preventing long-term neurological damage and improving outcomes.
Area of Science:
- Cardiology
- Neuroscience
- Developmental Biology
Background:
- Congenital heart disease (CHD) is a common birth defect linked to neurodevelopmental impairments.
- Altered fetal cardiovascular physiology can reduce cerebral blood flow and oxygenation, impacting brain development in utero.
- Fetal brain dysmaturation due to CHD increases vulnerability to postnatal injury and adverse neurodevelopmental outcomes.
Purpose of the Study:
- To review prenatal neuroprotective strategies for fetuses with critical CHD.
- To highlight the importance of optimizing the intrauterine environment for fetal brain health.
- To discuss interventions aimed at preventing neurological damage and comorbidities.
Main Methods:
- Comprehensive literature review of prenatal neuroprotective strategies.
- Analysis of in utero therapeutic interventions.
- Evaluation of prenatal surgical cardiac interventions.
- Assessment of modifiable prenatal and perinatal risk factors.
Main Results:
- Prenatal interventions show potential for neuroprotection in fetuses with CHD.
- Optimizing the intrauterine environment may mitigate neurological damage.
- Early interventions can address fetal brain dysmaturation and improve long-term outcomes.
Conclusions:
- Prenatal neuroprotection is crucial for fetuses with critical CHD.
- A multi-faceted approach including therapeutic and surgical interventions is beneficial.
- Addressing modifiable risk factors can enhance fetal brain development and neurodevelopmental outcomes.
Abstract:
Congenital heart disease (CHD) is the most frequent congenital malformation at birth and is associated with neurodevelopmental impairments. Alterations in cardiovascular physiology can lead to reduced cerebral blood perfusion and oxygenation, which negatively affects brain growth and maturation. Advanced imaging studies indicate that these aberrations in brain development can manifest as early as in utero, resulting from the inability of the fetal circulatory system to meet the increased metabolic demands of the brain. Fetal brain dysmaturation increases the susceptibility to postnatal brain injury and is related to adverse long-term neurodevelopmental outcomes throughout childhood. This emphasizes the potential for effective prenatal neuroprotective strategies in fetuses with CHD, as optimization of their intrauterine environment may prevent irreversible neurological damage and minimize long-term neurodevelopmental comorbidities. This review provides a comprehensive overview of prenatal neuroprotective strategies in fetuses with critical CHD, including in utero therapeutic interventions, prenatal surgical cardiac interventions, and modifiable prenatal and perinatal risk factors.
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