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Aortic dissection: magnetic resonance imaging.

E G Amparo, C B Higgins, H Hricak

    Radiology
    |May 1, 1985
    PubMed
    Summary
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    Magnetic resonance (MR) imaging effectively diagnoses aortic dissection, differentiating types and assessing complications. This imaging modality can serve as an initial diagnostic tool, reducing the need for contrast agents.

    Area of Science:

    • Cardiovascular Imaging
    • Radiology
    • Medical Diagnostics

    Background:

    • Aortic dissection is a life-threatening condition requiring accurate and timely diagnosis.
    • Conventional imaging methods like computed tomography (CT) and aortography have limitations.
    • Magnetic resonance (MR) imaging offers a non-invasive approach to visualize the aorta.

    Purpose of the Study:

    • To evaluate the efficacy of magnetic resonance (MR) imaging in diagnosing aortic dissection.
    • To assess MR's ability to characterize dissection type and extent.
    • To determine MR's utility as an initial imaging modality for suspected aortic dissection.

    Main Methods:

    • Retrospective analysis of 15 patients with suspected or known aortic dissection.
    • All patients underwent magnetic resonance (MR) imaging.

    Related Experiment Videos

  • Comparison of MR findings with computed tomography (CT), aortography, and surgical outcomes.

    • Main Results:

    • MR correctly identified dissection in 13 out of 15 patients.
    • MR accurately demonstrated the intimal flap, differentiated true and false lumens, and determined dissection type (A or B).
    • MR assessed aortic branch involvement, post-surgical changes, and identified aortoannular ectasia in Marfan syndrome patients.

    Conclusions:

    • Magnetic resonance (MR) imaging is a valuable tool for diagnosing aortic dissection.
    • MR provides comprehensive information for managing aortic dissection, including type and extent.
    • MR can be utilized as an initial imaging test, potentially replacing contrast-enhanced modalities.