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Magnetic resonance angiography: current clinical applications
R Passariello1, P Pavone, C Catalano
1Istituto di Radiologia, Università degli Studi di Roma La Sapienza, Rome, Italy.
Annales Chirurgiae Et Gynaecologiae
|January 1, 1993
Summary
Magnetic Resonance Angiography (MRA) offers a non-invasive method to visualize blood vessels. This technique uses special Magnetic Resonance (MR) methods to highlight flowing blood, aiding in diagnosing various vascular conditions.
Area of Science:
- Medical Imaging
- Radiology
- Cardiovascular Imaging
Background:
- Magnetic Resonance Angiography (MRA) is an advanced non-invasive imaging technique.
- It visualizes the vascular system by detecting signal alterations from flowing blood.
- Specialized Magnetic Resonance (MR) techniques suppress signals from stationary tissues.
Purpose of the Study:
- To review the clinical applications of Magnetic Resonance Angiography (MRA).
- To highlight MRA's utility in evaluating diverse vascular systems.
- To assess MRA's diagnostic value compared to conventional methods.
Main Methods:
- Utilizing Magnetic Resonance (MR) data acquisition.
- Employing specialized techniques to enhance signals from flowing blood.
- Canceling signals from surrounding stationary tissues to isolate vessels.
Main Results:
- MRA provides valuable adjunct information for intracranial vessels.
- It accurately defines cerebrovascular disease, including carotid arteries, correlating well with Digital Subtraction Angiography (DSA).
- MRA clearly images abdominal vessels, including abdominal aortic aneurysms, and renal arteries, showing future potential for renovascular hypertension screening.
Conclusions:
- MRA is a versatile tool for evaluating intracranial, cerebrovascular, abdominal, renal, and peripheral vessels.
- It demonstrates strong correlation with established angiography methods.
- MRA shows significant potential for various clinical applications, including screening and diagnosis of vascular diseases.