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Magnetic Resonance of Coronary Artery Disease in the Elderly
Akram M. Shaaban1, André J. Duerinckx
1Radiology Service, West Los Angeles VA Medical Center; The Department of Radiology, UCLA Center for Health Sciences, Los Angeles, CA; and the Radiology Department, University of Utah, Salt Lake City, UT.
Insights
Magnetic resonance imaging (MRI) is a promising tool for evaluating ischemic heart disease, offering comprehensive assessment of coronary arteries and myocardial viability. This technology enhances the diagnostic approach for coronary artery disease in the elderly.
Area of Science:
- Cardiovascular Imaging
- Medical Diagnostics
- Radiology
Background:
- Coronary artery disease (CAD) is a major cause of death and illness in older adults.
- Current diagnostic methods for CAD involve multiple imaging techniques like coronary angiography, echocardiography, and scintigraphy.
- There is a need for advanced imaging solutions to improve CAD assessment.
Purpose of the Study:
- To review the established and emerging applications of cardiac magnetic resonance imaging (MRI) for diagnosing and managing ischemic heart disease.
- To highlight the potential of MRI in evaluating coronary arteries, quantifying coronary blood flow, and assessing myocardial viability.
Main Methods:
- Review of existing literature on cardiac MRI techniques and their role in ischemic heart disease.
- Discussion of MRI's capabilities in visualizing coronary arteries and assessing myocardial tissue characteristics.
- Exploration of quantitative MRI methods for evaluating coronary flow and flow reserve.
Main Results:
- Cardiac MRI enables detailed evaluation of coronary arteries, including stenosis and anomalies.
- MRI can accurately quantify myocardial blood flow and coronary flow reserve, crucial for diagnosing ischemia.
- The technique is effective in determining the extent and severity of ischemic or infarcted myocardium.
Conclusions:
- Cardiac MRI presents a significant advancement in the non-invasive assessment of ischemic heart disease.
- Its comprehensive capabilities offer a valuable alternative or adjunct to traditional imaging modalities for CAD.
- Future applications of cardiac MRI are expected to further refine the diagnosis and management of patients with ischemic heart disease.
Abstract:
Coronary artery disease is one of the leading causes of morbidity and mortality in the elderly population. Currently, the work up of coronary artery disease requires an integrated approach utilizing several diagnostic imaging modalities including coronary x-ray angiography, echocardiography, and radionuclide scintigraphy. Magnetic resonance imaging (MRI) for cardiac imaging offers great potential in the work up of ischemic heart disease. MRI allows the evaluation of the coronary arteries, quantitation of coronary flow and flow reserve, and determination of viability of ischemic myocardium. This paper reviews established and future applications of cardiac MRI with special emphasis on ischemic heart disease. (c)1999 by CVRR, Inc.