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Does Time and Size Matter in Retrograde Intrarenal Surgery? Results Analysis Using a Low-Pressure Technique.
Paula Gayarre Abril1, Benjamín Blasco Beltrán1, Daniel Hijazo Gascón1
1Urology Service, University Clinic Hospital "Lozano Blesa", 50009 Zaragoza, Spain.
Archivos Espanoles De Urologia
|May 4, 2023
Summary
Retrograde intrarenal surgery for kidney stones showed a 69% stone-free rate. Female sex was linked to minor complications, while corticosteroid use correlated with major complications.
Area of Science:
- Urology
- Nephrology
- Surgical Innovation
Background:
- Kidney stone disease impacts 5% of the population, causing significant morbidity.
- Retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy are primary treatment options.
- Controlled pressure RIRS outcomes require further analysis.
Purpose of the Study:
- To evaluate the efficacy and safety of controlled pressure retrograde intrarenal surgery.
- To identify factors associated with postoperative complications in RIRS.
- To assess the stone-free rate and retreatment needs following RIRS.
Main Methods:
- Observational, descriptive, retrospective study.
- 403 patients undergoing RIRS between January 2013 and December 2019.
- Data collected on surgical time, stone volume, complications, and outcomes.
Main Results:
- Mean surgical time: 111.1 minutes; mean stone volume: 3.5 cm³.
- 17.3% of patients experienced Clavien-Dindo complications (6.9% early complications).
- Stone-free rate was 69.0% with a 4.7% retreatment rate.
Conclusions:
- Female sex associated with minor Clavien complications (p=0.001).
- Corticosteroid use linked to major Clavien complications (p=0.030).
- Surgical time and stone volume did not significantly correlate with complications.
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