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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
09:05

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

Published on: October 20, 2016

20.1K

Value of three-dimensional speckle-tracking imaging in detecting left ventricular systolic function in patients with

Jionghong He1, Long Yang1

  • 1Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, China.

Echocardiography (Mount Kisco, N.Y.)
|July 4, 2019
PubMed

Insights

Three-dimensional speckle-tracking imaging (3DSTI) accurately assesses left ventricular systolic function in dilated cardiomyopathy (DCM) patients. Its left ventricular ejection fraction (LVEF) measurements closely align with cardiac magnetic resonance imaging (MRI) findings.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Dilated cardiomyopathy (DCM) is a significant cause of heart failure.
  • Accurate assessment of left ventricular systolic function is crucial for DCM management.
  • Traditional imaging methods may have limitations in quantifying cardiac function.

Purpose of the Study:

  • To evaluate the diagnostic value of three-dimensional speckle-tracking imaging (3DSTI) for left ventricular systolic function in DCM patients.
  • To compare 3DSTI measurements with established methods like two-dimensional echocardiography (2DE) and magnetic resonance imaging (MRI).

Main Methods:

  • Thirty-one DCM patients were included in the study.
  • Left ventricular volumes (LVESV, LVEDV) and ejection fraction (LVEF) were measured using 3DSTI, 2DE, and MRI.
  • Left ventricular end-diastolic mass (EDmass) and index (EDmassI) were also assessed by 3DSTI and MRI.

Main Results:

  • Positive correlations were observed for LVESV, LVEDV, and LVEF across all three imaging modalities.
  • Significant differences in LVEF were found among the groups (3DSTI: 30.3 ± 10.6%, MRI: 26.2 ± 10.7%, P=0.04).
  • 3DSTI measurements for EDmass and EDmassI were significantly lower compared to MRI (P < 0.001).

Conclusions:

  • Three-dimensional speckle-tracking imaging (3DSTI) demonstrates reliable performance in assessing left ventricular systolic function in DCM.
  • 3DSTI-derived LVEF values show closer agreement with MRI than with 2DE.
  • 3DSTI offers a promising non-invasive tool for evaluating cardiac function in DCM.
Abstract

Keywords:
dilated cardiomyopathyechocardiographyleft ventricular systolic functionmagnetic resonance imagingthree-dimensional speckle-tracking imaging

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