Related Experiment Video
Updated: Aug 15, 2025

19:15
Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
86.2K
Neurodevelopmental outcomes of preterm infants
1Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea.
Clinical and Experimental Pediatrics
|January 3, 2023
Summary
Preterm infants show improved survival but face neurodevelopmental challenges. Outcomes worsen with lower gestational age and birth weight, highlighting the need for specialized follow-up care.
Area of Science:
- Neonatal Medicine
- Developmental Pediatrics
- Perinatal Care
Background:
- Increasing survival rates of preterm infants necessitate understanding their long-term neurodevelopmental outcomes.
- Advances in perinatal care have improved survival but not eliminated neurodevelopmental challenges in preterm populations.
- Preterm birth remains a significant risk factor for adverse neurodevelopmental and behavioral outcomes.
Purpose of the Study:
- To synthesize current knowledge on neurodevelopmental outcomes of preterm infants based on gestational age at birth.
- To evaluate the impact of gestational age and birth weight on neurodevelopmental impairment and behavioral disorders.
- To identify key neonatal morbidities associated with poor neurodevelopmental outcomes in preterm infants.
Main Methods:
- Systematic review and meta-analysis of recently published studies on preterm infant neurodevelopment.
- Analysis of neurodevelopmental outcomes stratified by gestational age at birth and birth weight.
- Examination of the association between neonatal morbidities and neurodevelopmental prognosis.
Main Results:
- Neurodevelopmental impairment and behavioral disorders decrease with increasing gestational age and birth weight.
- Proactive neonatal treatment for periviable infants (22-24 weeks gestation) shows potential for improved prognosis.
- Moderate and late preterm infants, while less affected than very preterm infants, still exhibit poorer neurodevelopmental outcomes than term infants.
- Neonatal morbidities like bronchopulmonary dysplasia and retinopathy of prematurity correlate with adverse neurodevelopmental outcomes.
Conclusions:
- Despite improved survival, prematurity is intrinsically linked to poorer neurodevelopmental outcomes.
- Gestational age and birth weight are critical determinants of neurodevelopmental prognosis in preterm infants.
- Establishing comprehensive follow-up systems is crucial for timely intervention and improved long-term outcomes for premature infants.
Related Concept Videos
Neurulation
42.2K
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
42.2K
Teratogenicity
2.6K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
2.6K
The Nativist Approach
100
The nativist approach to infant cognitive development proposes that infants are born with inherent knowledge structures that allow them to interpret the world almost immediately. This perspective contrasts with earlier developmental theories, such as those proposed by Jean Piaget, which emphasized a more gradual acquisition of cognitive abilities through interaction with the environment. One key concept in this approach is object permanence — the understanding that objects continue to...
100

