Donald School Journal of Ultrasound in Obstetrics and Gynecology

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VOLUME 15 , ISSUE 3 ( July-September, 2021 ) > List of Articles

REVIEW ARTICLE

Recent Topics in Fetal Echocardiography

Toshiyuki Hata, Aya Koyanagi, Riko Takayoshi, Takahito Miyake

Keywords : 24-segment fractional shortening, 24-segment sphericity index, Congenital heart anomaly, Fetal heart, FetalHQ, HDlive Flow, HDlive flow silhouette

Citation Information : Hata T, Koyanagi A, Takayoshi R, Miyake T. Recent Topics in Fetal Echocardiography. Donald School J Ultrasound Obstet Gynecol 2021; 15 (3):259-265.

DOI: 10.5005/jp-journals-10009-1717

License: CC BY-NC 4.0

Published Online: 30-09-2021

Copyright Statement:  Copyright © 2021; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Recent advances in fetal echocardiography are HDlive Flow (silhouette) and FetalHQ. HDlive Flow (silhouette) provides novel visual experiences for operators due to the spatial visualization of fetal cardiac structures and allows examiners to easily understand the spatial relationships among fetal cardiac chambers, great arteries, and veins. HDlive Flow (silhouette) may become an important diagnostic tool for the assessment of the normal fetal heart and congenital heart anomaly. FetalHQ consists of a 24-segment sphericity index (SI) and fractional shortening (FS). Fetal 24-segment SI can measure cardiac remodeling and the diastolic shape, whereas 24-segment FS can evaluate the fetal cardiac function and ventricular contractility. Fetal 24-segment SI and FS using FetalHQ may become useful diagnostic modalities in clinical practice. In this review article, we present the latest state-of-the-art HDlive Flow (silhouette) and FetalHQ of normal and abnormal fetal hearts. We also discuss the present and future applicability of these novel techniques to assess normal and abnormal fetal hearts. HDlive Flow (silhouette) and FetalHQ may become important modalities in future research on the fetal heart.


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