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Related Experiment Video

Updated: May 15, 2025

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Initial experience with augmented reality in planning renal access for PCNL.

Rinat Lasmanovich1,2, Maayan Dagan3,4, Orel Hemo5,4

  • 1Department of Urology, Sheba Medical Center, Ramat Gan, Israel. Rinat.lasmanovich@sheba.health.gov.il.

Urolithiasis
|April 9, 2025
PubMed
Summary

Augmented reality (AR) significantly improves surgical planning for percutaneous nephrolithotomy (PCNL). This 3D imaging technique enhances understanding of kidney stone location and patient anatomy, potentially increasing procedural safety.

Keywords:
Augmented realityPCNLPercutaneous nephrolithotomy, 3DThree-dimensional, AR

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Area of Science:

  • Urology
  • Medical Imaging
  • Surgical Technology

Background:

  • Percutaneous nephrolithotomy (PCNL) for kidney stones carries a 10-20% complication rate.
  • Achieving optimal renal access is a critical and challenging step in PCNL procedures.

Purpose of the Study:

  • To evaluate a novel augmented reality (AR) technique for planning renal access in PCNL.
  • To compare the effectiveness of AR 3D models versus 2D CT scans for surgical planning.

Main Methods:

  • Generated 3D anatomical models from DICOM CT scans for patients undergoing PCNL.
  • Surgeons used an AR system with a stereoscopic 3D display to explore patient anatomy and stone location.
  • Collected surgeon feedback via questionnaires assessing AR's contribution to understanding anatomy and access.

Main Results:

  • AR models significantly improved visualization of renal location, pelvis, stone mass, and adjacent organ orientation compared to 2D CT.
  • 86.8% of surgeons preferred AR models for pre- and intra-operative use.
  • 69.2% of surgeons believed AR could enhance procedural safety.

Conclusions:

  • AR-based 3D models offer superior understanding of patient anatomy and surgical access routes for PCNL compared to traditional CT.
  • Further research is needed to integrate AR into preoperative and intraoperative workflows for PCNL.