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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Cognitive and behavioral deficits in premature graduates of intensive care
1Department of Pediatrics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-9063, USA. jeffrey.perlman@utsouthwestern.edu
Insights
Very low birth weight (VLBW) survivors often face cognitive and behavioral issues, even without brain scan differences. Neonatal care environments and prenatal factors significantly contribute to these long-term neurodevelopmental deficits.
Area of Science:
- Neonatal Medicine
- Developmental Neuroscience
- Pediatric Psychology
Background:
- Many graduates of neonatal intensive care, particularly very low birth weight (VLBW) infants, exhibit cognitive and behavioral problems.
- These deficits can occur despite the absence of visible abnormalities on neuroimaging studies.
- Existing research points to medical and environmental factors within the neonatal intensive care unit (NICU) as significant contributors.
Purpose of the Study:
- To highlight the contributing role of medical and stressful neonatal environmental conditions in the development of cognitive and behavioral deficits in VLBW infants.
- To acknowledge additional prenatal and neonatal factors influencing neurodevelopmental outcomes.
- To emphasize the need to understand long-term outcomes for extremely low birth weight infants born at the limits of viability.
Main Methods:
- Review of existing literature and outcome data for VLBW infants.
- Analysis of factors contributing to neurodevelopmental deficits.
- Focus on the impact of neonatal intensive care environment and prenatal exposures.
Main Results:
- Medical and stressful neonatal environmental conditions play a significant role in neurodevelopmental deficits.
- Prenatal factors (in utero stress, drug exposure) and neonatal factors (infections) are also implicated.
- Long-term outcome data are available for more mature VLBW infants.
Conclusions:
- Neonatal care and prenatal exposures are critical factors influencing the cognitive and behavioral outcomes of VLBW infants.
- Further research is crucial to understand the long-term neurobehavioral outcomes of extremely low birth weight infants born at the threshold of viability.
- Comprehensive assessment of contributing factors is necessary for effective intervention strategies.
Abstract:
A substantial number of VLBW graduates of intensive care develop cognitive and behavioral problems, even in the absence of neuroimaging abnormalities. Although this article has highlighted the potential, important, contributing role of medical and stressful, neonatal, environmental conditions to the development of these deficits, it is not all-encompassing, and there are additional prenatal (ie, in utero stress, drug exposure) and neonatal (ie, infectious) contributing factors. The long-term, outcome data presented in this article are pertinent to the more mature, VLBW infant, and it remains unclear and critically important to delineate the long-term, neurobehavioral outcome of those extremely low birth-weight survivors born at the cutting limit of viability.
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