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Echo guided percutaneous transhepatic cholangiography with puncture transducer
The Japanese Journal of Surgery
|September 1, 1978
Summary
Ultrasound-guided percutaneous transhepatic cholangiography (PTC) improves bile duct visualization. This echo-guided technique offers a simpler, safer, and more reliable alternative to conventional blind PTC methods.
Area of Science:
- Medical Imaging
- Gastroenterology
- Interventional Radiology
Background:
- Conventional percutaneous transhepatic cholangiography (PTC) is often performed without direct visualization, leading to potential disadvantages.
- Direct visualization of the biliary tree can overcome the limitations of blind PTC procedures.
Purpose of the Study:
- To evaluate the efficacy and safety of ultrasound-guided percutaneous transhepatic cholangiography (PTC).
- To determine if combining B-mode ultrasound with an ultrasonic puncture transducer enhances PTC procedure outcomes.
Main Methods:
- Ultrasound B-mode examination was used to delineate the biliary tree.
- An ultrasonic puncture transducer guided the insertion of the PTC needle directly into the bile duct lumen.
- The technique was applied in 16 examinations across 12 patients.
Main Results:
- Successful cannulation of the bile duct was achieved in all cases.
- The ultrasound-guided approach facilitated direct needle insertion into the bile duct lumen with minimal difficulty.
- The echo-guided PTC method demonstrated improved ease, safety, and reliability compared to the conventional blind technique.
Conclusions:
- Ultrasound-guided PTC is a feasible and effective method for visualizing the biliary tree.
- This technique enhances the safety and reliability of percutaneous transhepatic cholangiography.
- Echo-guided PTC represents a significant advancement over traditional blind approaches.