ArticleResearch and reports in urology2025
Modified Seoul National University Renal Stone Complexity Scoring System for Predicting Stone-Free Status After Extracorporeal Shock Wave Lithotripsy.
Article in Research and reports in urology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Incorporating the modified Seoul National University Renal Stone Complexity (S-ReSC-R) scoring system into the preoperative evaluation of both retrograde intrarenal surgery and percutaneous nephrolithotomy has proven to be highly effective in predicting stone-free status after each procedure. Objective: This study aimed to validate the S-ReSC-R scoring system in extracorporeal shock wave lithotripsy (ESWL) and compare it with the Triple D score under the same protocol. Materials and Methods: Data on consecutive patients undergoing ESWL at a tertiary referral center between 2019 and 2021 were retrospectively analyzed. A total of 297 patients who were evaluated with non-contrast CT prior to the procedure and had adequate follow-up data were included in the analysis. The S-ReSC-R score was calculated based on the number of sites affected. Stone-free status was defined as no evidence of residual stones. Receiver operator characteristic (ROC) curves were generated to determine cutoff values for both scoring systems. Results: The overall stone-free rate (SFRs) after a single session was 60.5%. The average S-ReSC-R score was significantly lower in patients who had successful ESWL than in those with failed ESWL (1.50 vs 2.63, Conclusion: This study confirms that the S-ReSC-R is a reliable tool for predicting stone-free status after ESWL. Thus, its use in evaluating patients for ESWL is recommended.
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