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Year : 2018  |  Volume : 10  |  Issue : 1  |  Page : 29-34

Is retrograde intrarenal surgery the game changer in the management of upper tract calculi? A single-center single-surgeon experience of 131 cases

Department of Minimal Access Surgery, Minimal Access Surgery Training Institute, Shyam Urosurgical Hospital, Ahmedabad, Gujarat, India

Correspondence Address:
Dr. Ravi Jineshkumar Jain
Department of Genito Urinary Surgery, Minimal Access Surgery Training Institute, Shyam Urosurgical Hospital, Ellisbridge, Ahmedabad - 380 006, Gujarat
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DOI: 10.4103/UA.UA_118_17

PMID: 29416272

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Introduction: Success of any modality for stone disease needs to be evaluated in terms of Stone Free Rates (SFR), auxiliary procedures needed; complications and follow up. SFR in RIRS is subject to parameters like stone burden, location, number, hardness, composition; calyceal and ureter anatomy; use of ureteric access sheath (UAS); surgeon experience etc. Methods: The aim of this study is to evaluate the efficacy and safety of RIRS for managing upper tract stones. The objectives include evaluating SFR in RIRS in relation to stone burden, location and number. Other objectives include evaluating SFR after re RIRS in relation to stone burden, necessity of pre DJ stenting, use of UAS and post operative complication rate. 131 patients operated by single surgeon for single/multiple renal and/or upper ureteric stones were evaluated. Stone size > 3 mm on follow up CT KUB was considered as residual. Re RIRS was required for residual stones. Results: The overall SFR was 76%. SFR were statistically lower with stone burden > 1.5 cm, lower calyceal stones and single stones with stone burden > 1.5 cm. SFR was 90% after 2nd RIRS and 98.5% after 3rd RIRS procedure. No significant difference in SFR was noted between single v/s multiple stones, single calyx v/s multiple calyx stones and renal v/s upper ureteric stones. No major complication was noted. Conclusion: Larger stone burden and lower calyceal location are important factors deciding SFR in RIRS. With auxiliary procedure, RIRS is safe and effective compared to PCNL.

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