evaluation of left ventricular rotation using speckle tracking technique in echocardiographic images of coronary artery stenosis patients

Articles in Press

Document Type : Original Paper

Authors

1 Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

2 Tarbiat Modares University

3 Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center

10.22038/ijmp.2024.77249.2359

Abstract

Introduction: Left ventricular (LV) dysfunction can be assessed by quantification of LV rotation. This study aimed to evaluate the rotational and torsional movements of the LV with speckle-tracking echocardiography (STE) to measure LV function.

Materials and methods: In this study, 68 men with a mean age of 57± 9 years were enrolled with clinical signs of chest pain. All subjects underwent echocardiography before angiography. LV twist was computed using the speckle tracking algorithm, and LV rotation parameters were obtained from the short-axis view at the base and apex. Based on angiographic findings, the subjects were divided into two groups: 50 individuals with coronary artery stenosis and 18 individuals in the control group who did not have coronary artery stenosis.

Results: The study discovered that patients with coronary artery stenosis had a significantly lower maximum systolic torsion parameter than the control group (11.0 ± 2.6o vs. 14.1± 3.3o, p = 0.000). With a sensitivity of 74% and a specificity of 72%, twist was also a more useful criterion for identifying patients with coronary artery stenosis.

Conclusion: Quantifying the rotational and torsional movement of LV is a non-invasive and useful method for detecting LV dysfunction.

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Iranian Journal of Medical Physics

Articles in Press, Accepted Manuscript
Available Online from 06 April 2024

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History

  • Receive Date: 02 January 2024
  • Revise Date: 15 March 2024
  • Accept Date: 06 April 2024

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