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

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Published on: October 28, 2020

Comparative numerical study on left ventricular fluid dynamics after dilated cardiomyopathy.

Jan O Mangual1, Elisabeth Kraigher-Krainer, Alessio De Luca

  • 1Department of Civil and Environmental Engineering, University of Florence, Italy. jmangual@dicea.unifi.it

Journal of Biomechanics
|May 14, 2013
PubMed
Summary

This study reveals distinct intraventricular flow patterns in dilated cardiomyopathy (DCM) patients compared to healthy individuals. These fluid dynamics indicators could aid in assessing cardiac disease progression.

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Last Updated: May 11, 2026

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Area of Science:

  • Cardiovascular fluid dynamics
  • Biomedical engineering
  • Cardiac imaging

Background:

  • Left ventricular (LV) remodeling progression is influenced by blood flow, but measurements and intraventricular flow patterns in remodeling hearts remain limited.
  • Clinical evaluation of intraventricular fluid dynamics in dilated cardiomyopathy (DCM) patients has not been extensively performed.

Purpose of the Study:

  • To comparatively evaluate intraventricular fluid dynamics between healthy subjects and DCM patients.
  • To identify novel indicators of cardiac fluid mechanics for disease assessment.

Main Methods:

  • Combined 3D echocardiography with direct numerical simulations of blood motion equations.
  • Evaluated LV fluid dynamics in 20 healthy men and 8 DCM patients.
  • Analyzed results using quantitative global indicators of flow energetics and blood transit properties.

Main Results:

  • DCM hearts showed qualitative flow differences, including weaker vortex formation in the enlarged LV chamber.
  • Significant volumetric and inflow property differences (vortex formation time, energy dissipation) were observed between DCM and healthy groups.
  • Normalized fluid dynamics indicators, independent of volumetric measures, were defined.

Conclusions:

  • Cardiac fluid mechanics can be effectively assessed using a combination of medical imaging and numerical simulation.
  • This pilot study identified pure fluid mechanics-based intraventricular flow indicators.
  • These indicators have potential for integration with existing cardiac mechanics assessments to evaluate disease progression.