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A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse

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Use of spatiotemporal image correlation at 11-14 weeks' gestation.

C Votino¹, T Cos, R Abu-Rustum

¹Departments of Obstetrics and Gynaecology, University Hospital Brugmann, Brussels, Belgium.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology

|June 27, 2013

Summary

Four-dimensional spatiotemporal image correlation (STIC) allows offline fetal heart evaluation at 11-14 weeks gestation, with visualization improving with higher quality scans. Two-dimensional ultrasound remains superior for early fetal heart assessment unless high-quality 4D-STIC volumes are achieved.

Keywords:

STIC congenital heart disease early echocardiography fetal echocardiography four-dimensional ultrasound

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High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo

High Frequency Ultrasound for the Analysis of Fetal and Placental Development In Vivo

Published on: November 8, 2018

Area of Science:

Medical Imaging
Fetal Cardiology
Obstetrics

Background:

Early fetal echocardiography (EFE) is crucial for diagnosing congenital heart disease (CHD).
Four-dimensional spatiotemporal image correlation (4D-STIC) offers advanced visualization of fetal structures.
Assessing the utility of 4D-STIC for early fetal heart evaluation is important.

Purpose of the Study:

To prospectively evaluate the effectiveness of 4D-STIC for fetal heart assessment between 11-14 weeks' gestation.
To determine factors influencing the visualization of fetal heart structures using 4D-STIC.
To compare the diagnostic accuracy of 4D-STIC with conventional 2D ultrasound for CHD detection.

Main Methods:

Offline analysis of 4D-STIC fetal heart volumes acquired at 11-14 weeks gestation.
Regression analysis to identify factors affecting visualization (gestational age, BMI, image quality, probe type, Doppler use).
Comparison of CHD diagnostic accuracy between 4D-STIC and 2D ultrasound in a high-risk population.

Main Results:

Visualization of fetal heart structures was significantly correlated with 4D-STIC volume quality.
Transvaginal probes and Doppler use improved visualization of specific cardiac components.
4D-STIC enabled diagnosis in 93.5% of cases with 88.7% accuracy; 2D ultrasound achieved 94.2% accuracy.

Conclusions:

4D-STIC can be utilized for offline fetal heart evaluation in early gestation, particularly with high-quality volumes.
Image quality is a critical determinant of successful 4D-STIC fetal cardiac assessment.
Conventional 2D ultrasound demonstrates superior accuracy for fetal heart evaluation at 11-14 weeks gestation compared to 4D-STIC.