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False lumens in type III aortic dissections: progress CT study.

T Yamaguchi, H Naito, M Ohta

    Radiology
    |September 1, 1985
    PubMed
    Summary
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    Computed tomography (CT) reveals the outcomes of false lumens in Type III aortic dissections. Follow-up CT scans show varied results, including shrinkage, enlargement, or no change, aiding treatment decisions.

    Area of Science:

    • Cardiovascular Imaging
    • Thoracic Surgery
    • Vascular Medicine

    Background:

    • Type III aortic dissections involve the aortic arch and descending aorta.
    • Management of these dissections often requires careful monitoring.
    • The natural history and CT imaging findings of false lumens are crucial for patient management.

    Purpose of the Study:

    • To evaluate the fate of false lumens in patients with Type III aortic dissections.
    • To assess the utility of computed tomography (CT) in monitoring these dissections.
    • To inform treatment decisions regarding medical versus surgical intervention.

    Main Methods:

    • Retrospective analysis of 13 patients with Type III aortic dissections.
    • Utilized computed tomography (CT) for initial and follow-up imaging.

    Related Experiment Videos

  • Categorized false lumen status (contrast-filled, partially thrombosed, fully thrombosed).

    • Main Results:

    • False lumens showed diverse outcomes: shrinkage/disappearance (4 patients), progressive thrombosis (2 patients), enlargement (1 patient requiring surgery), and stability (6 patients).
    • Initial CT revealed contrast-filled false lumens in 10 patients and complete thrombosis in 3.
    • One patient with an enlarging false lumen necessitated surgical repair.

    Conclusions:

    • Computed tomography (CT) is valuable for assessing the evolution of false lumens in Type III aortic dissections.
    • CT findings aid in evaluating the effectiveness of medical management.
    • CT facilitates timely decisions regarding surgical intervention for Type III aortic dissections.