A modified basket catheter technique with semi-rigid ureterorenoscopy in the prevention of migration of proximal ureteral stones

Year 2021, , 22 - 28, 04.01.2021

Abdullah Erdoğan , Ercüment Keskin

https://doi.org/10.18621/eurj.643381

Abstract

Objectives: Although proximal ureteral stones are common, some difficulties are encountered in semi-rigid ureterorenoscopy (URS) treatment, especially as a result of stone migration to the kidney. In this paper, we present a different use of a basket catheter for the treatment of proximal ureteral stones.

Methods: Between September 2016 and January 2019, 101 patients over 18 years of age detected to have a maximum 15-mm proximal ureteral stone were retrospectively evaluated, and 93 patients fulfilling the criteria were included in the study. Semi-rigid URS and a modified basket catheter were used together in 44 patients while no auxiliary equipment was utilized for the remaining 49 patients. In the study group, a 3F zero-tip basket catheter was disintegrated and positioned in a way to capture and retrieve the stone from the semi-rigid ureterorenoscope.

Results: No difference was found between the two groups in terms of age, body mass index, gender, and stone characteristics. The duration of operation was shorter in the basket catheter group (p < 0.001). The rates of stone migration, requirement to switch to flexible ureterorenoscopy (FURS), and double J-stent (JJ-stent) placement were significantly higher in the control group (p < 0.005). There were no significant differences between the two groups concerning operation success and complications (p = 0.068 and p = 0.772, respectively).

Conclusions: The modified basket catheter technique with semi-rigid URS was successful in preventing the migration of proximal ureteral stones. This method can be considered as an alternative in cases where FURS is not available. 

Keywords

Basket catheter technique, proximal ureteral stones, semi-rigid ureterorenoscopy

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