Simulation for ultrasound-guided renal biopsy using boiled egg

Area of Science:

• Nephrology
• Medical Education
• Ultrasound Technology

Background:

• Real-time ultrasound-guided renal biopsy is crucial for diagnosing kidney diseases.
• The invasive nature of renal biopsy necessitates risk mitigation and practical training models.
• Current simulation methods may lack accessibility or fidelity.

Purpose of the Study:

• To develop and evaluate a simple, cost-effective simulation model for ultrasound-guided renal biopsy.
• To assess the efficacy of a boiled egg model in mimicking renal anatomy and biopsy procedures.
• To gauge trainee and expert feedback on the utility of the simulation model.

Main Methods:

• A simulation model was created using boiled chicken eggs embedded in agar.
• Trainees and experienced nephrologists performed simulated renal biopsies using real-time ultrasound guidance.
• Participant feedback was collected on the model's realism and training value.

Main Results:

• The egg model provided clear ultrasonographic contrast, mimicking kidney cortex and medulla.
• Participants successfully obtained biopsy samples (egg white cores) during simulations.
• 92% of trainees reported reduced anxiety, and all participants recommended the simulator for training.

Conclusions:

• A boiled egg-based simulation tool offers a practical and affordable method for training ultrasound-guided renal biopsy.
• The model effectively replicates key aspects of the renal biopsy procedure, enhancing trainee confidence.
• This innovative simulator is recommended for pre-procedural training before patient interventions.