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[Nuclear magnetic resonance angiography: principles and uses]
Zeitschrift Fur Kardiologie
|April 1, 1990
Summary
Nuclear magnetic resonance (NMR) angiography offers noninvasive vascular imaging without contrast agents. This promising technology visualizes neurovascular and peripheral vascular pathology, though lesion definition requires further development.
Area of Science:
- Medical Imaging
- Cardiovascular System
- Radiology
Context:
- Nuclear magnetic resonance (NMR) angiography is an emerging noninvasive vascular imaging technique.
- It visualizes vascular morphology by imaging the vessel lumen, similar to arteriography.
- It also allows for the study of blood flow and arterial wall dynamics, akin to vascular ultrasound.
Purpose:
- To introduce and describe the principles of Nuclear magnetic resonance (NMR) angiography.
- To evaluate its application in visualizing neurovascular and peripheral vascular pathology.
- To identify current limitations and justify further development.
Summary:
- NMR angiography utilizes blood flow-induced signal modulation within modified 2D and 3D imaging sequences.
- Nontriggered 3D inflow angiography excels in neurovascular imaging.
- Sequential 2D inflow approaches are effective for peripheral vascular pathology.
Impact:
- NMR angiography provides a noninvasive alternative to traditional angiography, eliminating the need for contrast agents.
- It offers detailed insights into vascular structures and dynamics.
- Ongoing research and clinical testing are crucial for its future role in vascular medicine, despite current limitations in lesion definition.