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Related Experiment Videos

The failed transhepatic cholangiogram

P F Jaques, M A Mauro, J H Scatliff

    Radiology
    |January 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Percutaneous transhepatic cholangiograms are more successful with more attempts. For patients with nondilated ducts, success increases linearly with passes beyond the fourth, with liver biopsy yielding results upon failure.

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    Area of Science:

    • Medical Imaging
    • Gastroenterology
    • Interventional Radiology

    Background:

    • Percutaneous transhepatic cholangiography (PTC) is an imaging technique used to visualize the bile ducts.
    • Success rates of PTC can be influenced by various factors, including ductal dilation and the number of needle passes.
    • Patient tolerance and technical expertise are critical for procedure success.

    Purpose of the Study:

    • To evaluate the factors influencing the success rate of percutaneous transhepatic cholangiograms.
    • To determine the relationship between the number of needle passes and success in visualizing intrahepatic ducts.
    • To assess the diagnostic yield of subsequent liver biopsy in cases of cholangiogram failure.

    Main Methods:

    • Retrospective analysis of 94 consecutive percutaneous transhepatic cholangiogram procedures.

    Related Experiment Videos

  • Correlation of success rates with the number of needle passes attempted.
  • Review of outcomes for patients with dilated versus nondilated intrahepatic ducts.
  • Evaluation of liver biopsy results following unsuccessful cholangiograms.

    • Main Results:

    • Procedure success is strongly correlated with the number of needle passes attempted.
    • In patients with dilated ducts, success was high even with few passes (2-3).
    • For patients with nondilated ducts, success rates showed a linear increase with passes beyond the fourth attempt.
    • Subsequent liver biopsy provided a high diagnostic yield in cases of cholangiogram failure in patients with nondilated ducts.

    Conclusions:

    • Increasing the number of needle passes, within patient tolerance, improves the success rate of percutaneous transhepatic cholangiograms, particularly in cases with nondilated ducts.
    • Careful technique and consideration of patient tolerance are crucial for optimizing success.
    • Liver biopsy is a valuable diagnostic tool when cholangiography is unsuccessful in patients with nondilated ducts.