Prognostic Value of Myocardial Infarct Size and Contractile Reserve Using Magnetic Resonance Imaging
Sebastian Kelle, MD*,*,
Stijntje D. Roes, MD ,
Christoph Klein, MD*,
Thomas Kokocinski, MD*,
Albert de Roos, MD,
Eckart Fleck, MD*,
Jeroen J. Bax, MD and
Eike Nagel, MD
* Department of Medicine/Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany
Departments of Radiology and Cardiology, Leiden University Medical Center, Leiden, the Netherlands
Kings College London, Division of Imaging Sciences, London, United Kingdom
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Figure 1 Prognostic Value of Myocardial Infarct Size
Kaplan-Meier curve analysis (48 months) showing the difference in cumulative event rate when patients are stratified according to a large extent of scar tissue (spatial extent  6 segments) or a small extent of scar tissue (spatial extent <6 segments) on late gadolinium-enhanced magnetic resonance imaging. p = 0.03.
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Figure 2 Prognostic Value: Contractile Reserve Versus Infarct Size
Bar graphs illustrating the incremental prognostic value (depicted by chi-square value on the y-axis) of low-dose dobutamine in patients with large myocardial infarction (6 segments with scar).
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