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Magnetic resonance angiography in clinical medicine

ssels. It enables the determination of flow velocity, direction, and even profiles within the vessel. It is painles and the study takes 30 to 60 minutes, whereas DSA sometimes takes several hours.

MRA is recommended for patients suspected to have narrowing or other abnormalities of arteries or veins in head, neck cardiovascular or in other parts of the body. MRA can also detect abnormal widening of the vessels called aneurysms of the arteries or veins. There are no known risks of MRA examination. Patients with heart pacemakers, brain aneurysm clips, inner ear implants or any other metal implants cannot have in MRA examination.

In summary, it is an excellent method of choice to evaluate the thoracic aorta, pulmonary arteires, abdominal aorta and its branches (renal and mesenteric arteries).MRA is also useful in patients for who surgery is anticipated and these conditions include, tumors, aneurysms, vascular malformations, and vascular occlusions or thromboses.

Furthermore, the combination of MRI and MRA within a single examination procedure will frequently avoid the need for multiple diagnostic imaging methods, such as DSA, CT, and US. Finally, the well-known advantages of MRA over other imaging methods, such as avoidance of ionising radiations, the lack of need for dye/contrast gents, and the wide field of view, may influence the spectrum of indications such that the focus is particularly on patients for whom these risk factors should be avoided.


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