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Related Experiment Videos

Pitfalls in transhepatic portography.

M Viamonte, R Pereiras, E Russell

    Radiology
    |August 1, 1977
    PubMed
    Summary
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    This study discusses transhepatic portal vein catheterization and gastroesophageal varices obliteration. Careful technique and embolization ensure safety and success in treating bleeding varices.

    Area of Science:

    • Interventional Radiology
    • Vascular Surgery

    Background:

    • Transhepatic portal vein catheterization presents technical challenges.
    • Interpretation of portograms requires expertise.
    • Gastroesophageal varices are a common cause of upper gastrointestinal bleeding.

    Purpose of the Study:

    • To discuss difficulties in transhepatic portal vein catheterization.
    • To recommend techniques for successful superselective catheterization.
    • To evaluate transhepatic obliteration for gastroesophageal varices.

    Main Methods:

    • Utilizing a long-sleeved trocar for catheterization.
    • Employing curved guide wires and deflector assemblies for selective access.
    • Judicious use of embolic material with slow injection.

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  • Performing thorough embolization to interrupt blood flow.

    • Main Results:

    • Transhepatic obliteration is a simple and successful palliative treatment.
    • Careful embolization guarantees safety and success.
    • Thoroughness prevents early recurrence of bleeding.

    Conclusions:

    • Transhepatic catheterization techniques can be optimized for portal vein access.
    • Transhepatic obliteration is an effective method for managing bleeding gastroesophageal varices.
    • Preventing recurrence requires meticulous embolization.