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Ventricular volume change in childhood.

Chris Xenos¹, Spyros Sgouros, Kalyan Natarajan

¹Institute of Child Health and Department of Paediatric Neurosurgery, Birmingham Children's Hospital, United Kingdom.

Journal of Neurosurgery

|September 26, 2002

Summary

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Ventricular volume in children increases non-linearly with age, with boys showing higher volumes only in the first six years. The ratio of ventricular to intracranial volume remains stable throughout childhood.

Area of Science:

Pediatric Neuroimaging
Developmental Neuroscience
Biomedical Engineering

Background:

Understanding age-related changes in brain structures is crucial for diagnosing neurological conditions.
Ventricular volume is a key metric in assessing brain development and pathology.

Purpose of the Study:

To develop a model of age-related ventricular volume changes in children aged 1 month to 15 years.
To provide a normative reference for studies on cerebrospinal fluid circulation disorders and cerebral atrophy.

Main Methods:

Magnetic resonance imaging (MRI) was used to measure ventricular and intracranial volumes in 71 healthy children (39 boys, 32 girls).
Ventricular volumes and the ventricular-to-intracranial volume ratio were plotted against age.
Statistical analyses, including t-tests and regression analysis, were performed to assess age and sex differences.

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Main Results:

Ventricular volume increased non-linearly with age, by a factor of approximately 1.5 from infancy to adolescence.
Boys exhibited significantly larger ventricular volumes than girls only during the first six years of life.
The ratio of ventricular to intracranial volume remained relatively stable across childhood.

Conclusions:

A normative model for age-related ventricular volume changes in children was established.
Sex-based differences in ventricular volume are significant only in early childhood.
The stable ventricular-to-intracranial volume ratio suggests consistent brain growth patterns.