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Related Experiment Videos

Real-time three-dimensional fetal echocardiography: initial feasibility study.

M S Sklansky1, T Nelson, M Strachan

  • 1Division of Pediatric Cardiology, University of California, San Diego 92103-8445, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|November 5, 1999
PubMed
Summary

Real-time three-dimensional echocardiography offers a feasible method for evaluating fetal heart anatomy and function. This advanced imaging technique simplifies assessment, reducing artifacts and enabling rapid analysis of congenital heart disease in utero.

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Area of Science:

  • Medical Imaging
  • Cardiology
  • Fetal Medicine

Background:

  • Traditional echocardiography relies on gating, which can introduce artifacts and limit real-time assessment.
  • Real-time 3D echocardiography (RT3DE) acquires volumetric data, potentially overcoming limitations of 2D imaging.

Purpose of the Study:

  • To assess the feasibility of using RT3DE for evaluating fetal cardiac anatomy and function.
  • To determine if RT3DE can aid in the detection of congenital heart disease in fetuses.

Main Methods:

  • Freehand transabdominal scanning was performed on ten human fetuses using an RT3DE system.
  • Four volume clips (20 volumes/s, 1.5s duration) were acquired per fetus for off-line analysis.
  • Simultaneous multi-planar display allowed for manipulation of planes and adjustable cardiac motion viewing.

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Main Results:

  • RT3DE enabled consistent visualization of most fetal cardiac structures, views, and function.
  • Abnormal cardiac structures associated with congenital heart disease were readily detected.
  • Off-line analysis of the volumetric data was rapid and straightforward.

Conclusions:

  • Fetal RT3DE is a feasible, facile, and rapid technique for cardiac evaluation.
  • This technology shows promise for improved prenatal diagnosis of fetal cardiac conditions.
  • RT3DE obviates the need for gating, reducing motion-related artifacts in fetal echocardiography.