Preterm neonatal lateral ventricle volume from three-dimensional ultrasound is not strongly correlated to two-dimensional ultrasound measurements

Jessica Kishimoto; Sandrine de Ribaupierre; Fateme Salehi; Walter Romano; David S. C. Lee; Aaron Fenster

doi:10.1117/1.JMI.3.4.046003

9 November 2016 Preterm neonatal lateral ventricle volume from three-dimensional ultrasound is not strongly correlated to two-dimensional ultrasound measurements

Jessica Kishimoto, Sandrine de Ribaupierre, Fateme Salehi, Walter Romano, David S. C. Lee, Aaron Fenster

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Journal of Medical Imaging, Vol. 3, Issue 4, 046003 (November 2016). https://doi.org/10.1117/1.JMI.3.4.046003

Abstract

The aim of this study is to compare longitudinal two-dimensional (2-D) and three-dimensional (3-D) ultrasound (US) estimates of ventricle size in preterm neonates with posthemorrhagic ventricular dilatation (PHVD) using quantitative measurements of the lateral ventricles. Cranial 2-D US and 3-D US images were acquired from neonatal patients with diagnosed PHVD within 10 min of each other one to two times per week and analyzed offline. Ventricle index, anterior horn width, third ventricle width, and thalamo-occipital distance were measured on the 2-D images and ventricle volume (VV) was measured from 3-D US images. Changes in the measurements between successive image sets were also recorded. No strong correlations were found between VV and 2-D US measurements (R² between 0.69 and 0.36). Additionally, weak correlations were found between changes in 2-D US measurements and 3-D US VV (R² between 0.13 and 0.02). A trend was found between increasing 2-D US measurements and 3-D US-based VV, but this was not the case when comparing changes between 3-D US VV and 2-D US measurements. If 3-D US-based VV provides a more accurate estimate of ventricle size than 2-D US measurements, moderate–weak correlations with 3-D US suggest that monitoring preterm patients with PHVD using 2-D US measurements alone might not accurately represent whether the ventricles are progressively dilating. A volumetric measure (3-D US or MRI) could be used instead to more accurately represent changes.

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Jessica Kishimoto, Sandrine de Ribaupierre, Fateme Salehi, Walter Romano, David S. C. Lee, and Aaron Fenster "Preterm neonatal lateral ventricle volume from three-dimensional ultrasound is not strongly correlated to two-dimensional ultrasound measurements," Journal of Medical Imaging 3(4), 046003 (9 November 2016). https://doi.org/10.1117/1.JMI.3.4.046003

Published: 9 November 2016

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