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Angiographic abnormalities in partial Budd-Chiari syndrome.

R Maguire, J L Doppman

    Radiology
    |March 1, 1977
    PubMed
    Summary

    Researchers created partial Budd-Chiari syndrome in monkeys using plastic obstruction. Angiography revealed characteristic vascular changes and a "spiderweb" collateral system, highlighting retrograde venography as a key diagnostic tool.

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    Area of Science:

    • Vascular Surgery
    • Hepatology
    • Medical Imaging

    Background:

    • Partial Budd-Chiari syndrome is a rare hepatic vascular disorder.
    • Accurate diagnosis is crucial for effective management.
    • Animal models are essential for studying complex diseases.

    Purpose of the Study:

    • To develop an animal model for partial Budd-Chiari syndrome.
    • To characterize the angiographic findings in this model.
    • To evaluate diagnostic imaging techniques.

    Main Methods:

    • Partial Budd-Chiari syndrome was surgically induced in 8 monkeys.
    • Obstruction of 2-3 lobar hepatic veins was achieved using rapidly polymerizing plastic.
    • Hepatic angiography and retrograde venography were performed 1-3 months post-procedure.

    Main Results:

    • Angiography showed crowded, tortuous arteries and a dense hepatogram in obstructed lobes.
    • Unobstructed lobes exhibited compensatory hypertrophy.
    • Retrograde injection revealed a distinctive "spiderweb" collateral system.

    Conclusions:

    • The animal model successfully replicated key features of partial Budd-Chiari syndrome.
    • Retrograde venography effectively demonstrated the pathognomonic "spiderweb" plexus.
    • Retrograde venography is the recommended diagnostic procedure for suspected partial Budd-Chiari syndrome.

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