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Related Experiment Video

Updated: Jan 2, 2026

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
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Right Ventricular Analysis Using Real-time Three-dimensional Echocardiography for Preload Dependency.

Ami Kwon1, Hyo Suk Ahn1, Gee Hee Kim1

  • 1Division of Cardiology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Journal of Cardiovascular Imaging
|December 6, 2019
PubMed
Summary
This summary is machine-generated.

Three-dimensional (3D) echocardiography offers more accurate right ventricular (RV) measurements than 2D methods. However, these RV assessments are influenced by acute preload changes, requiring careful interpretation.

Keywords:
End-stage renal diseasesHemodialysisRight ventricular systolic functionThree-dimensional echocardiographyTransthoracic echocardiography

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Echocardiography

Background:

  • The right ventricle (RV) is increasingly recognized for its importance.
  • Accurate RV measurement is crucial but limited by 2D echocardiography.
  • Advancements in RV measurement methods are needed for better geometric assessment.

Purpose of the Study:

  • To compare the accuracy of 3D echocardiography versus 2D echocardiography for RV assessment.
  • To evaluate the impact of hemodialysis-induced preload changes on RV parameters measured by both 2D and 3D echocardiography.

Main Methods:

  • Fifty-eight subjects underwent transthoracic echocardiography (TTE) before and after hemodialysis (HD).
  • Real-time, full-volume, 3D echocardiographic images were acquired and analyzed.
  • Conventional 2D and 3D RV parameters for size and function were measured and compared.

Main Results:

  • 3D RV volumes and ejection fractions significantly decreased post-HD.
  • 3D-derived RV dimensions, TAPSE, FAC, and longitudinal strain were affected by preload changes.
  • Most 2D RV parameters correlated well with 3D values, except for FAC.

Conclusions:

  • 3D echocardiography provides easier and more accurate RV anatomy and function parameters than 2D.
  • 3D TTE is a promising modality for RV assessment but is sensitive to preload variations.
  • RV values from 3D TTE require cautious interpretation considering patient loading conditions.