ISSN 2149-3235 | E-ISSN 2149-3057
Original Article
Small renal pelvis stones: Shock wave lithotripsy or flexible ureteroscopy? A match-pair analysis
1 Department of Urology, University of Health Sciences, Adana City Teaching and Research Hospital, Adana, Turkey  
Turk J Urol 2019; 45: 202-205
DOI: 10.5152/tud.2018.70094
Key Words: Flexible ureteroscopy; kidney stone; shock wave lithotripsy


Objective: Kidney stones in renal pelvis may be treated using various methods. For larger stones, percutaneous nephrolitotomy (PNL) is the first choice of option; where for smaller stones, shock wave lithotripsy (SWL) or flexible ureteroscopy (F-URS) could be more suitable options. In this article we aimed to compare the outcomes of F-URS and SWL on the treatment of renal pelvis stones <10 mm.


Material and methods: Files of patients treated with SWL and F-URS for renal pelvis stones <10 mm between March 2013 and May 2016 in our clinic were analyzed. For comparison, a match-pair analysis was designed. Complete stone removal was considered success.


Results: Forty patients were treated using F-URS (Group 1) and 40 patients underwent SWL (Group 2). Patients were assessed the day after the last session of the procedure. The early stone-free rates were 70% (28/40) in Group 1, and 15% in Group 2 (p<0.05). The same analysis was performed after three months. Stone-free rates were 100% and 92.5% in Groups 1 and 2, respectively (p=0.079). Three patients in Group 2 were not stone free after 3 sessions of SWL and considered unsuccessful. They were all successfully treated by F-URS.


Conclusion: Even though there is no statistical difference among groups, our data may be interpreted as having better outcomes and tolerability with F-URS than SWL. We believe F-URS may have a great treatment prospect in this particular patient group.


Cite this article as: Gürbüz ZG, Şener NC, Vuruşkan E, Deniz ME, Gürlen G, Ortoğlu F. Small renal pelvis stones: Shock wave lithotripsy or flexible ureteroscopy? A match-pair analysis. Turk J Urol 2019; 45(3): 202-5.

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AVES | Copyright © 2019 Turkish Association of Urology | Latest Update: 15.04.2019