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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Developmental trajectories in high-risk NICU graduates during the first year of life
Nicole M McDonald1, Qi Qian2, Camila A Ferrario1
1UCLA Semel Institute of Neuroscience and Human Behavior, David Geffen School of Medicine, United States of America.
Insights
Early medical factors like NICU stay length and birthweight impact neonatal intensive care unit (NICU) graduate development. Close monitoring and individualized support are crucial for optimizing developmental trajectories in these high-risk infants.
Area of Science:
- Neonatal Development
- Pediatric Medicine
- Developmental Pediatrics
Background:
- Neonatal intensive care unit (NICU) graduates are at high risk for developmental delays.
- Understanding early predictors of developmental trajectories is essential for timely intervention.
Purpose of the Study:
- To investigate if early medical factors predict developmental level and trajectories in high-risk NICU graduates during their first year.
- To identify specific medical factors influencing different developmental domains.
Main Methods:
- Longitudinal study of 53 high-risk NICU graduates enrolled in a follow-up program.
- Linear models used to predict 12-month developmental abilities.
- Linear mixed models used to predict 6- to 12-month developmental trajectories based on NICU stay length and birthweight.
Main Results:
- NICU length of stay was a stronger predictor of 12-month developmental level.
- Birthweight was a better predictor of developmental trajectory variability.
- Communication and daily living skills showed variability linked to early medical factors; social skills did not.
- Motor skills varied with NICU length of stay but not birthweight.
Conclusions:
- Close developmental monitoring is vital for NICU graduates, especially those with longer NICU stays and lower birthweights.
- Developmental support should consider the rate of skill acquisition, not just current delays.
- Early medical factors significantly influence the developmental pathways of high-risk infants.
Objective:
We examined whether early medical factors predicted variability in developmental level and trajectories in high-risk neonatal intensive care unit (NICU) graduates during the first year of life.
Method:
Infants (n = 53) who met criteria for the High-Risk Infant Follow-up Program were enrolled. Simple linear models predicted 12-month developmental abilities and linear mixed models predicted 6- to 12-month trajectories based on length of NICU stay and birthweight.
Results:
Length of NICU stay was more clearly predictive of 12-month developmental level, while birthweight better explained variability in trajectories. Communication and daily living skills varied based on early medical factors, whereas social skills did not. Motor skills varied by length of stay but not birthweight.
Conclusion:
Results support the need for close developmental monitoring of NICU graduates, particularly those with lengthier stays and lower birthweight. Developmental support needs should be based not just on current delays, but on the rate at which infants learn new skills.

