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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Very preterm children show impairments across multiple neurodevelopmental domains by age 4 years
L J Woodward1, S Moor, K M Hood
1Canterbury Child Development Research Group, Department of Psychology, University of Canterbury, Christchurch, New Zealand. lianne.woodward@canterbury.ac.nz
Insights
Children born extremely preterm (EPT) and very preterm (VPT) face higher risks of neurodevelopmental issues. These preterm infants often experience multiple domain impairments, impacting their development.
Area of Science:
- Pediatric neurology
- Developmental psychology
- Public health
Background:
- Preterm birth is a significant concern for child health and education.
- Neurodevelopmental outcomes in extremely preterm (EPT) and very preterm (VPT) children require thorough investigation.
Purpose of the Study:
- To assess neuromotor, cognitive, language, and emotional/behavioral outcomes in 4-year-old children born EPT (23-27 weeks), VPT (28-33 weeks), and full term (FT: 38-41 weeks).
- To identify risks of impairment across multiple neurodevelopmental domains in preterm populations.
Main Methods:
- Prospective longitudinal study of 105 VPT and 107 FT children born 1998-2000.
- Comprehensive multidisciplinary assessment at 4 years corrected age, including neurological examination, cognitive and language testing, and emotional/behavioral assessment.
Main Results:
- EPT and VPT children showed significantly higher risks of cerebral palsy, cognitive delay, language delay, and emotional/behavioral problems compared to FT children.
- Children born EPT and VPT were three times more likely to have impairments in multiple neurodevelopmental domains than FT children.
- Specific risks: Cerebral palsy (EPT 18%, VPT 15%), Cognitive delay (EPT 33%, VPT 36%), Language delay (EPT 29%, VPT 29%), Emotional/behavioral problems (EPT 37%, VPT 13%).
Conclusions:
- A significant proportion of preschool children born preterm exhibit clinically significant neurodevelopmental problems.
- Impairment across multiple domains is common in preterm survivors.
- Monitoring preschool development across various domains is crucial, considering the cascading effects of multiple impairments.
Objectives:
Neurodevelopmental outcomes associated with preterm birth are of major health and educational concern. This study examined the neuromotor, cognitive, language and emotional/behavioural outcomes of a regional cohort of 4-year-old children born extremely preterm (EPT: 23-27 weeks' gestation), very preterm (VPT: 28-33 weeks) and full term (FT: 38-41 weeks). Of particular interest were children's risks of impairment across multiple neurodevelopmental domains.
Methods:
Data were gathered as part of a prospective longitudinal study of 105 very preterm (< or = 33 weeks gestation) and 107 FT children born during 1998-2000. At 4 years corrected age, children underwent a comprehensive multidisciplinary assessment that included a paediatric neurological examination, cognitive and language testing, and an assessment of child emotional and behavioural adjustment.
Results:
At age 4 years, compared to FT children, EPT and VPT children had increased risks of cerebral palsy (EPT 18%, VPT 15%, FT 1%), cognitive delay (EPT 33%, VPT 36%, FT 13%), language delay (EPT 29%, VPT 29%, FT 10%) and emotional/behavioural adjustment problems (EPT 37%, VPT 13%, FT 11%). EPT and VPT children were three times more likely to have multiple domain impairments than FT children (EPT 30%, VPT 29%, FT 10%).
Conclusions:
A substantial proportion of preschool children born very preterm show clinically significant problems in at least one neurodevelopmental domain, with impairment in multiple domains being common. There is a need to monitor preschool development across a range of functional domains and to consider the likely cascading effects of multiple impairments on later development.
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