Abstract:Aim:The guidelines propose optical dilatation before retrograde intrarenal surgery (RIRS), but there are currently no evidence-based studies concerning the impact of optical dilatation with semirigid ureteroscopy (sURS). The aim of this study was to evaluate the effect of optical dilatation through sURS prior to the RIRS procedure on the success and complications of RIRS.Methods: A total of 422 patients were included in the retrospective multicentre study. The patients were divided into two groups according to… Show more
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