Abstract
Aim: To assess the efficacy of retrograde intrarenal surgery (RIRS) in lower pole stones less than 2cm as compared to mini percutaneous nephrolithotomy (mPCNL) Materials and Methods: Between Jan 2013 and April 2016, 172 patients who had renal stones ranging from 7mm to 2 cm in lower pole were alternatively allotted to be treated with RIRS and mPCNL. Stone free status, post operative complications, Operative time and Hospitalisation were analysed in both groups. Stone free rate was defined as residual calculi less than 3mm on ultrasound scan. Results: Both the groups were matched in mean age, sex, stone laterality, stone size. In mPCNL group the stone free status was 93.02% compared to 95.34% in RIRS. Bleeding requiring blood transfusion was observed in 1.16% mPCNL group compared to none in RIRS group. Conclusion: RIRS is safe and comparable to mPCNL in lower pole stones less than 2cm.
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