The aim of the present paper was to review the literature on all available ureteral access
sheaths (UASs) with their indications, limitations, risks, advantages and disadvantages in …

The ureteral access sheath (UAS) facilitates the use of flexible ureteroscopy, enabling
improved minimally invasive management of complex upper urinary tract diseases. The …

Purpose: The safety of using a ureteral access sheath during retrograde intrarenal surgery
remains controversial. Using a novel classification, we prospectively evaluated the …

Background Prompt diagnosis and treatment of paediatric urolithiasis are required to avoid
long term sequelae of renal damage. Objective To systematically review the literature …

The debate still rages on for the usefulness of ureteral access sheath (UAS). Therefore, a
meta-analysis to discuss the effects of applying UAS during ureteroscopy was performed …

While urolithiasis in children is rare, the global incidence is rising, and the volume of
minimally invasive surgeries being performed reflects this. There have been many …

The objective is to compare patients who underwent retrograde intrarenal surgery with and
without a ureteral access sheath (UAS) using kidney injury molecule-1 (KIM-1) levels. We …

Ureteral stricture formation after ureteroscopic lithotripsy is a late complication that can lead
to hydronephrosis and a subsequent risk of renal deterioration. The specific incidence is …

Context Flexible ureteroscopy and laser lithotripsy (FURSL) represent a good treatment
option for pediatric urolithiasis. Scarce evidence is available about the safety and efficacy of …

Objectives To evaluate the effect of preoperative ureteral stenting duration on the outcomes
of retrograde intrarenal surgery (RIRS). Patients and methods We reviewed our database of …