The feasibility of using 5D CNS software in obtaining standard fetal head measurements from volumes acquired by three-dimensional ultrasonography: comparison with two-dimensional ultrasound

Objective: To evaluate the performance of a new software (5D CNS) developed to automatically recognize the axial planes of the fetal brain from three-dimensional volumes and to obtain the basic standard biometric measurements. The accuracy, reproducibility, and time required for analysis of 5D CNS w...

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Bibliographic Details
Published in:The journal of maternal-fetal & neonatal medicine 2016-07, Vol.29 (14), p.2217-2222
Main Authors: Rizzo, Giuseppe, Aiello, Elisa, Elena Pietrolucci, Maria, Arduini, Domenico
Format: Article
Language:English
Subjects:
3D ultrasound
Adolescent
Adult
Automatic measurement software
Biometry
Brain - diagnostic imaging
Cephalometry - methods
Cross-Sectional Studies
Feasibility Studies
Female
fetal biometry
fetal brain
Humans
Imaging, Three-Dimensional
Pregnancy
Pregnancy Trimester, Second
Prospective Studies
Reproducibility of Results
Software
Ultrasonography, Prenatal
Young Adult
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Summary:Objective: To evaluate the performance of a new software (5D CNS) developed to automatically recognize the axial planes of the fetal brain from three-dimensional volumes and to obtain the basic standard biometric measurements. The accuracy, reproducibility, and time required for analysis of 5D CNS were compared with that of two-dimensional (2D) ultrasound. Methods: This was a prospective study of 120 uncomplicated singleton pregnancies undergoing routine second trimester examination. For every pregnancy standard biometric measurements including biparietal diameter, head circumference, distal lateral ventricle width, transverse cerebellar diameter and cisterna magna width were obtained using 2D ultrasound and three-dimensional (3D) ultrasound with 5D CNS software. Reliability and agreement of the two techniques were evaluated using intraclass correlation coefficients (ICCs) and proportionate Bland-Altman plots were constructed. The time necessary to complete the measurements with either technique was compared and intraobserver and interobserver agreements of measurements calculated. Results: In 118/120 (98.3%), 5D CNS successfully reconstructed the axial diagnostic planes and calculated all the basic biometric head and brain measurements. The agreement between the two techniques was high for all the measurements considered (all ICCS > 0.920). The time necessary to measure the biometric variables considered was significantly shorter with 5D CNS (54 versus 115 s, p 
ISSN:1476-7058
1476-4954
DOI:10.3109/14767058.2015.1081891