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Characterization of reversible myocardial dysfunction by magnetic resonance imaging
F Fedele1, F Scopinaro, T Montesano
1Department of Internal Medicine, University of L'Aquila, Italy.
Herz
|August 1, 1994
Summary
Nuclear magnetic resonance imaging (MRI) aids in assessing coronary patients by evaluating myocardial ischemia and infarction. Contrast-enhanced MRI effectively identifies viable myocardium, crucial for treatment strategies in heart disease.
Area of Science:
- Cardiovascular imaging
- Medical diagnostics
- Radiology
Background:
- Coronary patient management focuses on salvaging ischemic myocardium.
- Nuclear magnetic resonance imaging (MRI) provides essential data for assessing cardiac conditions.
Purpose of the Study:
- To discuss recent cardiovascular applications of MRI.
- To evaluate MRI's role in assessing myocardial ischemia, infarction, and viability.
Main Methods:
- Utilizing cine-MRI for morphofunctional assessment of wall thickness and thickening.
- Employing contrast agents to differentiate myocardial injury types.
- Comparing MRI signal intensity with perfusion and metabolism data.
Main Results:
- Cine-MRI accurately measures systolic wall thickening, outperforming echocardiography.
- Contrast-enhanced MRI shows potential in identifying viable myocardium.
- MRI effectively distinguishes between stunned and necrotic myocardial areas.
Conclusions:
- MRI is a valuable tool for assessing myocardial ischemia and infarction.
- Contrast-enhanced MRI aids in identifying viable myocardium, guiding therapeutic decisions.
- MRI offers superior visualization for kinetic damage assessment compared to traditional methods.