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Related Experiment Video

Updated: May 1, 2026

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A Nomogram for Predicting Perirenal Hematoma After Percutaneous Nephrolithotomy.

Chi Feng1, Jun-Tao Tan2,3, Qi-Hua Jiang2,3

  • 1Department of Urology, The Affiliated Hospital of Jiangxi University of Traditional Chinese Medicine, Nanchang, China.

Surgical Innovation
|January 9, 2025
PubMed
Summary

A new nomogram predicts perirenal hematoma (PRH) risk after percutaneous nephrolithotomy (PCNL). This tool uses patient factors to assess risk before surgery, aiming to improve safety and outcomes for PCNL procedures.

Keywords:
nomogrampercutaneous nephrolithotomyperirenal hematomapredictive modelrisk assessment

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Area of Science:

  • Urology
  • Nephrology
  • Surgical Complications

Background:

  • Perirenal hematoma (PRH) is a significant complication of percutaneous nephrolithotomy (PCNL).
  • Effective risk stratification for PRH is crucial for patient management and surgical planning.

Purpose of the Study:

  • To develop and validate a predictive nomogram model for perirenal hematoma (PRH) following percutaneous nephrolithotomy (PCNL).

Main Methods:

  • Retrospective analysis of 1047 patients undergoing PCNL.
  • Univariate and multivariate analyses to identify predictors of PRH.
  • Construction of a nomogram based on significant risk factors.

Main Results:

  • 6.2% of patients developed PRH.
  • Significant predictors included age, urine culture, stone surface area, operative time, and estimated blood loss.
  • The developed nomogram provides a user-friendly tool for preoperative risk assessment.

Conclusions:

  • A validated nomogram for PRH risk prediction after PCNL has been developed.
  • This tool facilitates individualized risk assessment and the implementation of preventive strategies.
  • Further studies are needed to confirm generalizability and accuracy.