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Related Experiment Videos

Difference between left and right lateral ventricular sizes in neonates.

Kou Ichihashi1, Mayu Iino, Yukari Eguchi

  • 1Department of Pediatrics, Jichi Medical School, 3311-1, Minamikawachi, Kawachi-gun, Tochigi 329-0498, Japan.

Early Human Development
|August 23, 2002
PubMed
Summary

Neonatal lateral ventricular asymmetry, where the left ventricle is larger than the right, is common and not pathological. Head position can influence this size difference in infants.

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Area of Science:

  • Neonatal neuroimaging
  • Pediatric neurology
  • Developmental anatomy

Background:

  • Lateral ventricular asymmetry is observed in neonates.
  • Understanding its causes is crucial for clinical assessment.
  • Factors like head position and birth weight may influence ventricular size.

Purpose of the Study:

  • To investigate the causes of lateral ventricular asymmetry in neonates.
  • To assess the impact of head position on ventricular size.
  • To determine the relationship between birth weight and lateral ventricular dimensions.

Main Methods:

  • Sixty neonates (gestational age 33.1±3.5 weeks) underwent serial ultrasonography.
  • Parasagittal and coronal scans measured the area of the lateral ventricles.

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  • Measurements were taken during the first and second weeks after birth.

    • Main Results:

    • No significant correlation was found between birth weight and ventricular size.
    • The left lateral ventricle was consistently larger than the right.
    • Head position demonstrated a partial effect on the asymmetry between left and right ventricles.

    Conclusions:

    • Ventricular asymmetry in neonates is likely due to individual variations rather than pathology.
    • Head position is a contributing factor to observed size differences.
    • Further research may explore other individual factors influencing neonatal ventricular morphology.