Machine learning-based prediction of stone-free rate after retrograde intrarenal surgery for lower pole renal stones - Summary - MDSpire

Machine learning-based prediction of stone-free rate after retrograde intrarenal surgery for lower pole renal stones

  • By

  • Hsiang Ying Lee

  • Yu-Hung Tung

  • Jose Carlo Elises

  • Yen-Chun Wang

  • Vineet Gauhar

  • Sung Yong Cho

  • July 12, 2025

  • 0 min

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Objective:

To develop a machine learning model to predict the stone-free rate (SFR) after retrograde intrarenal surgery (RIRS) for lower pole renal stones (LPS), addressing the challenges associated with their anatomical characteristics.

Key Findings:
  • The SFR for LPS remains lower compared to stones in other locations, indicating a need for improved predictive models.
  • Acute infundibulopelvic angle and larger preoperative stone size negatively affect SFR, suggesting areas for surgical focus.
  • Machine learning model can effectively predict SFR based on various patient and stone characteristics, potentially guiding preoperative strategies.
Interpretation:

The machine learning model provides a more accurate prediction of SFR for LPS, aiding in better preoperative decision-making and potentially improving surgical outcomes.

Limitations:
  • Retrospective design may introduce bias, particularly in patient selection and data collection.
  • Exclusion of patients with rare conditions limits generalizability, suggesting a need for broader studies.
Conclusion:

Machine learning can enhance the prediction of stone-free rates in patients undergoing RIRS for lower pole renal stones, potentially improving surgical outcomes and informing future research directions.

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