• Han Chen, Gang Chen, Yang Pan, Yunxiao Zhu, Chaoyu Xiong, Hualin Chen, and Ziyi Yang.
• Department of Urology, The First Affiliated Hospital of Chongqing Medical, Chongqing, China.
• Urol. Int. 2019 Jan 1; 103 (3): 249-255.

IntroductionNo 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.MethodsThe 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.ResultsURS 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.ConclusionFor 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.© 2019 S. Karger AG, Basel.

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