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[Transhepatic percutaneous cholangiography: A comparative study].

J E Lacasse, I E Rosen

Journal of the Canadian Association of Radiologists

|September 1, 1979

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The Chiba needle technique for percutaneous transhepatic cholangiography offers a higher success rate for visualizing the biliary tree compared to conventional methods. This "skinny" needle approach is safe and effective for diagnosing liver and bile duct disorders.

Area of Science:

Medical Imaging
Gastroenterology
Interventional Radiology

Background:

Percutaneous transhepatic cholangiography (PTC) is an imaging technique used to visualize the biliary tree.
Conventional PTC methods can have limitations in success rates, particularly for non-dilated ducts.

Purpose of the Study:

To compare the efficacy and safety of the Chiba needle method versus the conventional method for PTC.
To evaluate the success rate of biliary tree opacification using both techniques.

Main Methods:

Retrospective study analyzing 75 cases of PTC.
Comparison between 19 cases using the conventional method and 56 cases using the Chiba needle method.
Data collected on success rates of biliary tree opacification and complication incidence.

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Main Results:

The Chiba method demonstrated a higher success rate: 97% for dilated ducts vs. 80% (conventional), and 36% for non-dilated ducts vs. 0% (conventional).
No serious complications were reported with the Chiba needle technique.
The Chiba needle facilitated simple, safe, and efficient investigation.

Conclusions:

The Chiba needle technique significantly improves the success rate of PTC for both dilated and non-dilated biliary ducts.
Percutaneous transhepatic cholangiography with the "skinny" Chiba needle is a safe, simple, and effective diagnostic tool for hepatobiliary disorders.