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In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
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MRI in Chronic Aortic Dissection: A Systematic Review and Future Directions
Andrew G Sherrah1, Stuart M Grieve2, Richmond W Jeremy1
1Sydney Medical School, University of Sydney , Sydney, NSW , Australia ; The Baird Institute, Royal Prince Alfred Hospital , Sydney, NSW , Australia.
Frontiers in Cardiovascular Medicine
|December 15, 2015
Summary
Magnetic resonance imaging (MRI) offers valuable insights for assessing chronic aortic dissection, outperforming traditional methods. It aids in evaluating long-term complications like false lumen expansion and provides detailed blood flow dynamics.
Area of Science:
- Cardiovascular Imaging
- Radiology
- Medical Diagnostics
Background:
- Thoracic aortic dissection has high mortality and morbidity.
- Long-term complications like aneurysmal dilatation and false lumen expansion are common despite treatment.
- Effective follow-up requires accurate assessment of prognostic indicators via dedicated imaging.
Purpose of the Study:
- To systematically review the literature on magnetic resonance imaging (MRI) for chronic aortic dissection assessment.
- To compare MRI with traditional imaging modalities (CT, echocardiography).
- To explore novel MRI applications, such as phase-contrast imaging for blood flow dynamics.
Main Methods:
- Systematic literature review.
- Comparative analysis of MRI, computed tomography (CT), and echocardiography.
- Discussion of advanced MRI techniques.
Main Results:
- MRI provides crucial evidence for assessing chronic aortic dissection.
- MRI offers advantages over traditional imaging modalities in evaluating dissection complications.
- Phase-contrast MRI can identify blood flow dynamics in true and false lumens.
Conclusions:
- MRI is a key imaging modality for chronic aortic dissection follow-up.
- MRI enables more comprehensive assessment of dissection progression and complications.
- Advanced MRI techniques offer new insights into aortic hemodynamics.
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