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Related Experiment Videos

Arteriographic bleeding: a new sign.

E Russell, J R LePage

    Radiology
    |April 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    A novel arteriographic sign, diastolic contrast medium clearance, indicates bleeding in specific vessels. This finding aids in identifying rapid end-vessel bleeding, excluding collateral circulation influences.

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    Area of Science:

    • Radiology
    • Vascular Imaging
    • Interventional Radiology

    Background:

    • Arteriographic diagnosis of active bleeding is crucial for timely intervention.
    • Distinguishing active bleeding from normal contrast washout can be challenging.

    Purpose of the Study:

    • To describe a new sign of arteriographic bleeding: diastolic clearance of contrast medium.
    • To define the specific clinical scenarios where this sign is applicable.

    Main Methods:

    • Observational analysis of angiographic studies.
    • Identification and characterization of contrast medium behavior during the diastolic phase.

    Main Results:

    • A new sign, diastolic clearance, was identified as selective contrast medium disappearance from a bleeding vessel.

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  • This sign is most reliable in rapidly bleeding end-vessel distributions.
  • The sign's utility is limited when significant nonopacified collateral circulation is present.

    • Conclusions:

    • Diastolic clearance is a specific sign of active arteriographic bleeding.
    • Careful consideration of collateral circulation is necessary to avoid misinterpretation.
    • This sign enhances the diagnostic accuracy of angiography in detecting certain types of vascular hemorrhage.