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Ischemic heart disease: value of MR techniques
E E van der Wall1, F P van Rugge, H W Vliegen
1Department of Cardiology, Leiden University Medical Centre, The Netherlands.
International Journal of Cardiac Imaging
|June 1, 1997
Summary
Magnetic resonance (MR) imaging offers advanced cardiovascular assessments for coronary artery disease, evaluating anatomy, function, perfusion, and coronary angiography in a single test. This integrated approach promises significant healthcare economic benefits by potentially replacing multiple diagnostic procedures.
Area of Science:
- Cardiovascular Imaging
- Medical Diagnostics
- Magnetic Resonance Technology
Background:
- Cardiovascular applications of magnetic resonance (MR) have significantly expanded.
- MR imaging provides excellent spatial resolution, myocardial tissue characterization, and 3D imaging capabilities.
- These advantages enable accurate assessment of left ventricular mass/volume, infarct differentiation, and wall motion analysis.
Purpose of the Study:
- To review the advancements and applications of MR techniques in cardiovascular disease.
- To highlight the capabilities of novel MR techniques for assessing cardiac function, perfusion, and coronary artery stenosis.
- To discuss the potential of integrated MR testing for cardiovascular diagnostics and healthcare economics.
Main Methods:
- Utilized conventional spin-echo and cine-echo techniques.
- Incorporated newer techniques including myocardial tagging, ultrafast MR imaging, and MR coronary angiography.
- Employed MR spectroscopy for assessing cardiac metabolism and stress-induced ischemia.
Main Results:
- MR techniques currently evaluate anatomy and function (accepted), perfusion and viability (developmental), and coronary angiography (experimental).
- Newer techniques offer improved assessment of ventricular function, myocardial perfusion, and stenosis severity.
- MR angiography shows potential for early detection and flow assessment of stenosed coronary arteries and bypasses.
Conclusions:
- A single MR test can encompass cardiac anatomy, perfusion, function, metabolism, and coronary angiography.
- This integrated approach has the potential to replace multiple diagnostic tests.
- The use of a single, comprehensive MR test could significantly impact cardiovascular healthcare economics, potentially outweighing procedure costs.