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Related Experiment Video

Updated: Jun 5, 2026

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

Quantitative mitral valve modeling using real-time three-dimensional echocardiography: technique and repeatability.

Arminder Singh Jassar1, Clayton J Brinster, Mathieu Vergnat

  • 1Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.

The Annals of Thoracic Surgery
|December 22, 2010
PubMed
Summary

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This summary is machine-generated.

This study presents a new technique for creating detailed 3D models of the mitral valve (MV) using echocardiography. The method shows high consistency, with minimal differences between operators and repeated measurements.

Area of Science:

  • Cardiovascular Imaging
  • Medical Modeling
  • Echocardiography

Background:

  • Real-time 3D echocardiography enables quantitative mitral valve (MV) modeling.
  • Current imaging and modeling algorithms may have observer-dependent variability.
  • A novel analysis technique for high-resolution 3D MV models was developed.

Purpose of the Study:

  • To describe a comprehensive analysis technique for generating high-resolution 3D MV models.
  • To examine interoperator and intraoperator repeatability of the technique in humans.

Main Methods:

  • Intraoperative transesophageal real-time 3D echocardiography was used for patients with normal MVs.
  • Manual segmentation of the annulus and leaflets was performed.
  • Custom Matlab algorithms generated 3D MV models from point cloud data.

Related Experiment Videos

Last Updated: Jun 5, 2026

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

  • Interobserver and intraobserver repeatability was assessed by comparing measurements.

    • Main Results:

    • Mean absolute annular distance was 2.4±0.8 mm (interobserver) and 1.5±0.6 mm (intraobserver).
    • Mean absolute leaflet distance was 0.6±0.2 mm (interobserver) and 0.5±0.2 mm (intraobserver).
    • Annular variables showed less than 10% variation between comparisons.

    Conclusions:

    • The described techniques consistently generate high-resolution, quantitative 3D models of the human MV.
    • Very small interoperator and intraoperator variability was observed.
    • This framework supports reliable, noninvasive modeling of normal and diseased MVs.