ConclusionĮmptying the bladder before UAS insertion can effectively reduce the UAS insertion resistance and the risk of distal ureteral injury in RIRS.ĭenstedt JD, Razvi HA, Sales JL et al (1995) Preliminary experience with holmium: YAG laser lithotripsy. The mean resistance, maximum resistance in different ureteral segments, and ureteral injury were compared between the two groups. The ureteral injury was evaluated and graded with Post-Ureteroscopic Lesion Scale (PULS) system at the end of procedure. A digital force gauge (Imada Z2-50N) was used to measure the resistance during the UAS insertion. MethodsĮighty patients were enrolled and randomly divided into bladder emptying group and control group before UAS placement.
To evaluate the effect of bladder emptying status on the ureteral access sheath (UAS) insertion resistance and following ureteral injury.
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