Outcomes of Retrograde Intrarenal Surgery in Renal Calculi of Varying Size

Abstract

The patient with the large renal calculi is recommended with retrograde intrarenal surgery by the physicians. It is minimally invasive approach for the treatment. Objective: The study was conducted for evaluation of the intraoperative and postoperative complications associated with the retrograde intrarenal surgery RIRS. The stone free rate rates were also compared. Methods: The 231 patients who visited the Urology department of our teaching hospital were included in the study. The duration of this study was from January 2021 to June 2021. The patients were divided into six groups. The calculi of dimension 1-9 mm were included in the group 1, while 10-19 mm were included in the group 2, 20-29 mm were included in group 3. The calculi of dimension 30-39 mm were included in group 4, the calculi of dimension 40-49 mm in group 5, while calculi greater than 50mm dimension were included in the group 6. The post-operative complications were reported while six-month follow months. Results: Out of the 231 patients included in the study. According to the study smallest size of calculi observed to be 3 mm and the largest size of calculi was found to be 60 mm. The average size of the calculi came out to be 22.9 ± 11.2 mm. The adverse events were observed in different groups. 11% of the patients reported some intraoperative negative effects. There were 31 patients that showed post procedure complications but these complications were later on found to be gone leaving no adverse side effect. 10% patients that undergo repetitive RIRS to clear the stones and were later-on confirmed stone free. Conclusion: For the treatment and management of the renal stones that are more than 20 mm in size RIRS is an encouraging option. There was a size dependent enhancement in the complications that take place after the procedure. There was no case of stone related events reported in patients that took care of follow up sessions to get rid of residual stones.