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Published in: The International Journal of Cardiovascular Imaging 4/2024

Open Access 24-01-2024 | CABG | Original Paper

Determination of viable myocardium through delayed enhancement cardiac magnetic resonance imaging combined with 18F-FDG PET myocardial perfusion/metabolic imaging before CABG

Authors: Dongsheng Xu, Jiwang Zhang, Bing Liu, Donghai Fu, Jianming Li, Lijuan Fan

Published in: The International Journal of Cardiovascular Imaging | Issue 4/2024

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Abstract

Purpose: Study aims to investigate the consistency of delayed enhancement cardiac magnetic resonance imaging (DE-CMR) and 18F-FDG PET myocardial imaging in evaluating myocardial viability before CABG. Methods: The study analyzed data from 100 patients who were examined with DE-CMR, PET imaging, and echocardiography before and after CABG. All subjects were followed up for 6–12 month post- CABG. Results: DE-CMR and PET imaging have high consistency (90.1%; Kappa value = 0.71, p < 0.01) in determining myocardial viability. The degree of delayed enhancement was negatively correlated with the improvement in myocardial contractile function in this segment after revascularization (P < 0.001). The ratio of scarred myocardial segments and total DE score was significantly lower in the improvement group than non-improvement group. Multivariate regression identified that hibernating myocardium (OR = 1.229, 95%CI: 1.053–1.433, p = 0.009) was influencing factor of LVEF improvement after CABG. Conclusion: Both imaging techniques are consistent in evaluating myocardial viability. Detecting the number of hibernating myocardium by PET is also important to predict the left heart function improvement after CABG.
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Metadata
Title
Determination of viable myocardium through delayed enhancement cardiac magnetic resonance imaging combined with 18F-FDG PET myocardial perfusion/metabolic imaging before CABG
Authors
Dongsheng Xu
Jiwang Zhang
Bing Liu
Donghai Fu
Jianming Li
Lijuan Fan
Publication date
24-01-2024
Publisher
Springer Netherlands
Published in
The International Journal of Cardiovascular Imaging / Issue 4/2024
Print ISSN: 1569-5794
Electronic ISSN: 1875-8312
DOI
https://doi.org/10.1007/s10554-024-03057-3

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