Abstract
The management of renal calculi following previous open surgery represents a challenge for urologists. The aim of this study is to evaluate the outcomes and safety of ureteroscopic laser retrograde intrarenal surgery (RIRS) for renal calculi following prior open renal surgery. The charts of 53 patients who underwent RIRS for renal calculi following prior open surgery for urolithiasis were reviewed. Both flexible and semi-rigid ureteroscopes were utilized together with holmium: YAG laser for stone disintegration. Intravenous urography, computed tomography (CT) and ultrasound were used to evaluate the patient, perioperatively. Stone size ranged from 5 to 32 mm (mean 14.3 mm). The mean operative time was 86 min (20–130). The overall stone-free rate was 92.4%. The overall stone-free rates after one and two-procedures were 79.2% (42 cases) and 92.4% (49 cases), respectively. Four patients (7.5%) had larger residual fragments, 2 (3.8%) of them underwent SWL, and 2 (3.8%) cases were followed up conservatively. Major complications were reported in two patients (3.8%). Stone analysis revealed calcium oxalate in 39 patients, uric acid in 5, calcium phosphate in 4, struvite in 3, and cystine in 2 cases. Ureteroscopic retrograde intrarenal surgery for renal calculi following prior open renal surgery was a minimally invasive, safe procedure with a high success rate. It is a viable alternative for PNL in managing recurrent renal calculi efficiently.
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Abbreviations
- CT:
-
Computed tomography
- Holmium:YAG:
-
Holmium:yttrium aluminium garnet
- IVU:
-
Intravenous urography
- PNL:
-
Percutaneous nephrostolithotomy
- RIRS:
-
Retrograde intrarenal surgery
- SWL:
-
Extracorporeal shock wave lithotripsy
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Osman, M.M., Gamal, W.M., Gadelmoula, M.M. et al. Ureteroscopic retrograde intrarenal surgery after previous open renal stone surgery: initial experience. Urol Res 40, 403–408 (2012). https://doi.org/10.1007/s00240-011-0435-1
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DOI: https://doi.org/10.1007/s00240-011-0435-1