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Ventricular size in newborn infants.

R N Perry, E D Bowman, L J Murton

    Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
    |September 1, 1985
    PubMed
    Summary
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    Cranial ultrasound studies in 533 neonates show that ventricular size is consistent across gestational ages of 26 weeks and above. Most infants had normal ventricular width, with those slightly exceeding the norm developing normally.

    Area of Science:

    • Neonatal neuroimaging
    • Pediatric neurology
    • Developmental pediatrics

    Background:

    • Establishing normative data for neonatal brain structures is crucial for early detection of abnormalities.
    • Cranial ultrasound is a primary imaging modality for neonates, particularly premature infants.
    • Variations in ventricular size can indicate underlying neurological conditions.

    Purpose of the Study:

    • To determine the normal range of ventricular size in neonates.
    • To assess the relationship between gestational age and ventricular size.
    • To identify potential indicators of neurological development in neonates.

    Main Methods:

    • Cranial ultrasound examinations were conducted on 533 infants aged 48-96 hours.
    • Infants with evidence of intraventricular hemorrhage or neural tube defects were excluded.

    Related Experiment Videos

  • Ventricular width was measured and correlated with gestational age.

    • Main Results:

    • Ventricular size remained consistent in infants with gestational ages of 26 weeks or greater.
    • Only 2.8% of neonates exhibited a ventricular width exceeding 3 mm.
    • 13 of the 15 infants with larger ventricular widths were found to be neurologically and developmentally normal within the first year.

    Conclusions:

    • Neonatal ventricular size is generally stable from 26 weeks gestational age onwards.
    • Slightly increased ventricular width in neonates is often not associated with adverse neurological outcomes.
    • This study provides valuable reference ranges for neonatal cranial ultrasound assessments.