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Coronary magnetic resonance angiography
R M Botnar1, M Stuber, P G Danias
1Cardiac MR Center, Beth Israel Deaconness Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA.
Insights
Coronary magnetic resonance angiography offers a noninvasive alternative to x-ray coronary angiograms for diagnosing coronary artery disease. This advancement reduces radiation exposure and improves diagnostic accuracy for patients with suspected atherosclerosis.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Cardiovascular disease is a leading cause of death in the US.
- X-ray coronary angiograms are the standard diagnostic tool but are invasive, costly, and carry risks.
- Over 35% of patients undergoing angiograms do not have coronary artery disease, indicating a need for better noninvasive methods.
Purpose of the Study:
- To evaluate coronary magnetic resonance angiography (CMRA) as a noninvasive diagnostic test for coronary artery disease.
- To determine if CMRA can accurately assess significant coronary stenoses.
Main Methods:
- Coronary magnetic resonance angiography (CMRA) was developed as a noninvasive imaging technique.
- The technique aims to directly visualize coronary atherosclerosis and stenoses.
Main Results:
- CMRA provides a noninvasive method for assessing coronary stenoses.
- It avoids the risks associated with x-ray angiography, such as radiation exposure.
Conclusions:
- Coronary magnetic resonance angiography represents a significant advancement in diagnostic cardiology.
- This noninvasive test offers a safer and potentially more accurate alternative for diagnosing coronary artery disease.
Abstract:
Despite advances in both prevention and treatment, cardiovascular disease remains the leading cause of morbidity and mortality in the United States. The current gold standard for the diagnosis of coronary artery disease is the x-ray coronary angiogram, which is both costly and associated with a small risk of morbidity. More than 1 million Americans are referred for this test annually, and despite the availability of numerous noninvasive tests to identify patients with coronary artery disease, > or =35% of patients referred for this test are found not to have disease. It therefore would be beneficial to use a noninvasive test to allow the presence of coronary atherosclerosis to be determined directly. Coronary magnetic resonance angiography, a technique that is aimed at establishing a noninvasive test for the assessment of significant coronary stenoses, obviates the risks of patient exposure to radiation of x-ray angiography and therefore represents a major step forward in diagnostic cardiology.