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[NMR tomography of thoracic aortic dissection]
R P Spielmann1, J Langkowski, K Roden
1Abteilung für Röntgendiagnostik, Universitätskrankenhaus Eppendorf, Hamburg.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|February 1, 1988
Summary
Magnetic resonance imaging effectively visualizes thoracic aortic dissection, identifying intimal flaps and thrombosis. This technique aids in assessing dissection extent and involvement of critical arteries.
Area of Science:
- Cardiovascular Imaging
- Radiology
- Aortic Diseases
Background:
- Thoracic aortic dissection is a life-threatening condition requiring accurate imaging for diagnosis and management.
- Magnetic resonance imaging (MRI) offers non-invasive visualization of the aorta.
Purpose of the Study:
- To evaluate the utility of MRI in characterizing thoracic aortic dissection.
- To assess the ability of MRI to delineate intimal flaps, thrombosis, and the extent of dissection.
Main Methods:
- Retrospective analysis of MRI scans from 10 patients diagnosed with thoracic aortic dissection.
- Utilized specific MRI sequences, including oblique sagittal and coronal views, to visualize the aorta.
Main Results:
- MRI clearly contrasted intimal flaps from blood flow in 8 out of 10 patients.
- Complete thrombosis of the false lumen was identified in 2 patients due to lack of phase shift.
- MRI delineated the extent of dissection and involvement of coronary and branch arteries in 7 patients.
Conclusions:
- MRI is a valuable tool for diagnosing and characterizing thoracic aortic dissection.
- MRI provides crucial information regarding dissection extent and potential complications, aiding clinical decision-making.