Flexible ureteroscopy for renal stones
M Cepeda1, J H Amón1, J A Mainez1
1Servicio de Urología, Hospital Universitario Río Hortega, Valladolid, España.
Actas Urologicas Espanolas
|June 3, 2014
Summary
Retrograde intrarenal surgery (RIRS) effectively treats kidney stones with a high success rate and low complication rate. Further studies are needed to compare RIRS with other minimally invasive procedures.
Area of Science:
- Urology
- Endourology
- Nephrolithiasis Management
Background:
- Kidney stones (renal stones) are a common condition requiring effective treatment.
- Retrograde intrarenal surgery (RIRS) is an established minimally invasive technique for stone removal.
Purpose of the Study:
- To evaluate the experience, outcomes, and complications of RIRS for kidney stones.
- To analyze the success rates and safety profile of RIRS.
Main Methods:
- Prospective study of 150 patients with renal stones treated with RIRS.
- Analysis of stone characteristics (single/multiple, size) and procedural details.
- Definition of success as absence of residual stones or fragments ≤2mm.
Main Results:
- Successful RIRS achieved in 85.7% initially and 91.6% at 3 months.
- Average operative time was 85 minutes; 14.6% experienced complications (mostly Clavien 1-2).
- Low rate of severe complications (2% Clavien 4); 1.06 procedures per patient on average.
Conclusions:
- RIRS with a ureteral access sheath offers high success and low complication rates for renal stones.
- Further randomized trials are recommended to compare RIRS with mini-PCNL and micro-PCNL.
- Precise indications for RIRS require further definition through comparative studies.
Keywords:
Cirugía retrógrada intrarrenalFlexible ureteroscopyLitiasis renalRenal lithiasisRetrograde intrarenal surgeryUreteroscopia flexibleMore Related Videos
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