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. 1997;24(4):250–259.

Advances in fetal echocardiography.

N A Ayres 1
PMCID: PMC325466  PMID: 9456477

Abstract

Fetal echocardiography is the primary modality for defining and evaluating fetal cardiac status and requires detailed analysis of the cardiac anatomy from numerous views and Doppler interrogation of the intracardiac structures, great vessels, and umbilical artery. Referrals for fetal echocardiography are determined by fetal, maternal, or familial risk factors; however, approximately 50% of neonates diagnosed with a congenital cardiac defect have no risk factor, and most have undergone an obstetrical ultrasound during the pregnancy that did not detect a cardiac defect. Advances in transducer technology have resulted in the development of small high-frequency transvaginal probes that allow fetal cardiac interrogation earlier during gestation. On the horizon is 3-dimensional fetal echocardiography, which provides rapid image acquisition and tremendous computer image reconstruction ability. At present, the computer image data analysis process is lengthy, and several technical limitations must be overcome before 3-dimensional fetal echocardiography becomes the primary modality of fetal cardiac imaging. New Doppler Tissue Imaging using color Doppler energy mapping allows more precise anatomic definition of the fetal endocardium, facilitating diagnosis of small ventricular septal defects. These new advances, along with improved image resolution, provide obstetricians and pediatric cardiologists with more tools and techniques for earlier and more precise detection of fetuses with cardiac defects.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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