Abstract
Background Extracellular volume (ECV) calculated from T1 maps can quantitatively characterize myocardial tissue, including the severity of tissue damage in myocardial infarction (MI) (1). An alternative approach for measuring the density of MI may be to calculate the relative signal intensity of LGE images.) A direct comparison of signal intensity of LGE and ECV in MI has not been carried out. We aimed to compare these two parameters in patients presenting with acute myocardial infarction.
Highlights
Extracellular volume (ECV) calculated from T1 maps can quantitatively characterize myocardial tissue, including the severity of tissue damage in myocardial infarction (MI) (1)
The volume of infarct was correlated to iECV (r=0.56; p=0.002) and to relative ECV(r=0.45; p
There was no correlation of signal intensity of LGE in the infarct zone to the iECV (r=0.07; p=0.72) and to relative ECV(r=0.17;p=0.37) (Figure 2)
Summary
Is signal intensity of late gadolinium enhancement a substitute for extracellular volume mapping in acute myocardial infarction?. Pankaj Garg*, Ananth Kidambi, David P Ripley, Laura E Dobson, Peter P Swoboda, Tarique A Musa, Adam K McDiarmid, Bara Erhayiem, John P Greenwood, Sven Plein
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