Association Between 2D- and 3D-Speckle-Tracking Longitudinal Strain and Cardiovascular Magnetic Resonance Evidence of Diffuse Myocardial Fibrosis in Heart Transplant Recipients
This study aimed to: (1) evaluate the association between myocardial fibrosis (MF) quantified by extracellular volume fraction (ECV) and myocardial strain measured by two-dimensional (2D)- and three-dimensional speckle-tracking echocardiography (3D-STE) and (2) further investigate which strain param...
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Published in | Frontiers in cardiovascular medicine Vol. 8; p. 727745 |
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Main Authors | , , , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Switzerland
Frontiers Media S.A
30.11.2021
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Subjects | |
Online Access | Get full text |
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Summary: | This study aimed to: (1) evaluate the association between myocardial fibrosis (MF) quantified by extracellular volume fraction (ECV) and myocardial strain measured by two-dimensional (2D)- and three-dimensional speckle-tracking echocardiography (3D-STE) and (2) further investigate which strain parameter measured by 2D- and 3D-STE is the more robust predictor of MF in heart transplant (HT) recipients.
A total of 40 patients with HT and 20 healthy controls were prospectively enrolled. Left ventricular (LV)-global longitudinal strain (GLS), global circumferential strain (GCS), and global radial strain (GRS) were measured by 2D- and 3D-STE. LV diffuse MF was defined by cardiovascular magnetic resonance (CMR)-ECV.
The HT recipients had a significantly higher native T1 and ECV than healthy controls (1043.8 ± 34.0 vs. 999.7 ± 19.7 ms,
< 0.001; 26.6 ± 2.7 vs. 24.3 ± 1.8%,
= 0.02). The 3D- and 2D-STE-LVGLS and LVGCS were lower (
< 0.005) in the HT recipients than in healthy controls. ECV showed a moderate correlation with 2D-LVGLS (
= 0.53,
= 0.002) and 3D-LVGLS (
= 0.60,
< 0.001), but it was not correlated with 2D or 3D-LVGCS, or LVGRS. Furthermore, 3D-LVGLS and 2D-LVGLS had a similar correlation with CMR-ECV (
= 0.60 vs. 0.53,
= 0.670). A separate stepwise multivariate linear analysis showed that both the 2D-LVGLS (β = 0.39,
= 0.019) and 3D-LVGLS (β = 0.54,
< 0.001) were independently associated with CMR-ECV.
CMR marker of diffuse MF was present in asymptomatic patients with HT and appeared to be associated with decreased myocardial strain by echocardiography. Both the 2D- and 3D-LVGLS were independently correlated with diffuse LVMF, which may provide an alternative non-invasive tool for monitoring the development of adverse fibrotic remodeling during the follow-up of HT recipients. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Reviewed by: Ali Hosseinsabet, Tehran University of Medical Sciences, Iran; Lennart Tautz, Charité—Universitätsmedizin Berlin, Germany This article was submitted to Cardiovascular Imaging, a section of the journal Frontiers in Cardiovascular Medicine These authors have contributed equally to this work and share first authorship Edited by: Juan Carlos Del Alamo, University of Washington, United States |
ISSN: | 2297-055X 2297-055X |
DOI: | 10.3389/fcvm.2021.727745 |