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Implantation of Total Artificial Heart in Congenital Heart Disease
Published on: July 18, 2014
Neurodevelopmental outcome of children with congenital heart disease
Rabia Liamlahi1, Beatrice Latal1
1Child Development Center, University Children's Hospital Zürich, Zürich, Switzerland.
Insights
Children with congenital heart disease (CHD) face neurodevelopmental impairments, affecting cognition, behavior, and social skills. Early identification and intervention are crucial for improving developmental health in these children.
Area of Science:
- Pediatrics
- Neuroscience
- Cardiology
Background:
- Congenital heart disease (CHD) is the most common congenital malformation.
- Increased survival rates mean more children with CHD live into adolescence and adulthood.
- Children with CHD undergoing cardiopulmonary bypass surgery are at risk for neurodevelopmental impairments.
Purpose of the Study:
- To highlight the prevalence and nature of neurodevelopmental impairments in children with CHD.
- To discuss the complex etiology of these impairments.
- To emphasize the need for early identification and intervention.
Main Methods:
- This is a review and synthesis of existing knowledge on neurodevelopmental outcomes in pediatric CHD.
- The abstract does not detail specific experimental methods but discusses etiological factors and clinical observations.
Main Results:
- Children with CHD requiring cardiopulmonary bypass surgery exhibit impairments in cognitive, neuromotor, social, and executive functions.
- Prevalence of these impairments ranges from 20% to 60%, often affecting multiple domains simultaneously.
- These impairments can lead to significant challenges in school and require special interventions.
Conclusions:
- Neurodevelopmental impairments in CHD result from a combination of intrauterine factors and perioperative brain injuries.
- Altered hemodynamics, hypoxia, and reduced cerebral blood flow contribute to impaired brain development.
- Structured follow-up programs are essential for early identification and tailored interventions to support developmental health.
Abstract:
Congenital heart disease (CHD) constitutes the most common congenital malformation, with moderate or severe CHD occurring in around 6 in 1000 live births. Due to advances in medical care, survival rates have increased significantly. Thus, the majority of children with CHD survive until adolescence and adulthood. Children with CHD requiring cardiopulmonary bypass surgery are at risk for neurodevelopmental impairments in various domains, including mild impairments in cognitive and neuromotor functions, difficulties with social interaction, inattention, emotional symptoms, and impaired executive function. The prevalence for these impairments ranges from 20% to 60% depending on age and domain ("high prevalence-low severity"). Domains are often affected simultaneously, leading to school problems with the need for learning support and special interventions. The etiology of neurodevelopmental impairments is complex, consisting of a combination of delayed intrauterine brain development and newly occurring perioperative brain injuries. Mechanisms include altered intrauterine hemodynamic flow as well as neonatal hypoxia and reduced cerebral blood flow. The surgical procedure and postoperative phase add to this cascade of factors interfering with normal brain development. Early identification of children at high risk through structured follow-up programs is mandated to provide individually tailored early interventions and counseling to improve developmental health.
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