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Comparative Study
. 2019;103(3):249-255.
doi: 10.1159/000500328. Epub 2019 May 16.

No Wound for Stones <2 Cm in Horseshoe Kidney: A Systematic Review of Comparative Studies

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Comparative Study

No Wound for Stones <2 Cm in Horseshoe Kidney: A Systematic Review of Comparative Studies

Han Chen et al. Urol Int. .

Abstract

Introduction: No wound to the patients is the pursuit of surgeons. Extracorporeal shock wave lithotripsy (SWL) and ureteroscopy (URS) are minimally invasive modalities for treating horseshoe kidney (HSK) stone <2 cm. We aimed to review the outcomes and complications of comparing SWL and URS in HSK stone.

Methods: The literature was reviewed in the Embase, PubMed, and Cochrane Library up to March 1, 2018. Only 4 articles were available for analysis. Inclusion criteria were all English language articles reporting on the comparison between SWL and URS.

Results: URS tends to be performed in a relatively heavier stone burden. The higher initial stone-free rate and success rate were demonstrated for URS than for SWL (p < 0.00001, p = 0.02, respectively). The less retreatment rate was found in URS than SWL (p = 0.04). There was no difference in minor complications in the 2 groups (p = 0.57). Renal colic episodes were more likely to be observed in the SWL group (p = 0.02). There were no major complications found in the review.

Conclusion: For a stone <2 cm in HSK, both SWL and URS are safe treatment modalities. URS alone is a more feasible and sufficient option for stone in HSK <2 cm than SWL with possibilities of a second session.

Keywords: Horseshoe kidney; Review; Shock wave lithotripsy; Stone; Ureteroscopy.

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