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Related Experiment Videos

Massive extra-enteric gastrointestinal bleeding: angiographic diagnosis.

P R Koehler, J A Nelson, M M Berenson

    Radiology
    |April 1, 1976
    PubMed
    Summary

    Gastrointestinal bleeding can originate from visceral artery aneurysms communicating with the biliary or pancreatic ducts. Even without direct enteric supply, consider aneurysms as a hemorrhage source.

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    Area of Science:

    • Gastroenterology
    • Vascular Surgery
    • Diagnostic Imaging

    Background:

    • Massive gastrointestinal bleeding presents diagnostic challenges.
    • Visceral artery aneurysms are rare but critical causes of hemorrhage.
    • Unusual communications between vascular and digestive systems can lead to bleeding.

    Purpose of the Study:

    • To report two cases of massive gastrointestinal bleeding from visceral artery aneurysms.
    • To highlight the diagnostic considerations for aneurysms not directly supplying the gastrointestinal tract.
    • To discuss the pathogenesis, diagnosis, and treatment of such rare conditions.

    Main Methods:

    • Case report analysis of two patients with massive gastrointestinal bleeding.
    • Review of diagnostic imaging modalities, including angiography.
    • Discussion of surgical and interventional treatment strategies.

    Main Results:

    • Case 1: Bleeding from a left hepatic artery branch aneurysm communicating with the biliary tree.
    • Case 2: Bleeding from a splenic artery branch aneurysm communicating with the pancreatic duct.
    • Intermittent bleeding patterns can complicate diagnosis, with contrast extravasation not always evident.

    Conclusions:

    • Visceral artery aneurysms, even those without direct enteric supply, should be considered in cases of unexplained gastrointestinal hemorrhage.
    • Diagnostic imaging must carefully evaluate potential communications between vascular structures and the biliary or pancreatic systems.
    • Prompt recognition and appropriate management are crucial for patient outcomes.

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