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Percutaneous transhepatic biliary puncture simulator: a cord network prototype.

Rubén Lopez Benítez1, Tomás Reyes Del Castillo2, David Benz1

  • 1Department of Radiology and Nuclear Medicine, Luzerner Kantonsspital, 6000, Lucerne, Switzerland.

Advances in Simulation (London, England)
|August 7, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a radiation-free simulator for percutaneous transhepatic biliary puncture training. The novel simulator effectively enhanced radiology residents' confidence and skills in biliary duct procedures.

Keywords:
Bile ductBiliary punctureBiliary treeEducationInterventional radiologyLiverPTCSimulationTraining

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Area of Science:

  • Medical Simulation
  • Interventional Radiology Training
  • Anatomical Modeling

Background:

  • Percutaneous transhepatic biliary puncture is a crucial interventional radiology procedure.
  • Current training methods may involve radiation exposure.
  • Need for a safe, radiation-free training alternative.

Purpose of the Study:

  • To develop and evaluate a novel simulator for percutaneous transhepatic biliary puncture.
  • To provide a radiation-free training tool reflecting biliary duct anatomy.
  • To assess the simulator's impact on trainee confidence and skills.

Main Methods:

  • Anatomically accurate biliary tree model constructed with a cord network.
  • Simulation of surrounding structures (skin, ribs, pleura) using various materials.
  • Use of standard interventional tools (Chiba needle, wire) for simulated puncture.
  • Real-time visual feedback via camera and monitor for eye-hand coordination training.
  • Evaluation of simulator efficacy with 60 radiology residents.

Main Results:

  • All participants successfully completed the simulated biliary puncture within minutes after brief training.
  • High success rate with minimal simulated pleural puncture.
  • Significant increase in user confidence and perceived skills transferability post-training.

Conclusions:

  • The developed simulator is an effective tool for enhancing trainee competence in biliary procedures.
  • It offers a safe, radiation-free environment for practicing interventional radiology skills.
  • The simulator improves both procedural and non-procedural skills related to liver interventions.