Arman Tsaturyan, Etienne X Keller, Angelis Peteinaris, Faria-Costa Gabriel, Amelia Pietropaolo, Begona Ballesta Martinez, Vaseilios Tatanis, Eugenio Ventimiglia, Francesco Esperto, Tarik Emre Sener, Vincent De Coninck, Esteban Emiliani, B M Zeeshan Hameed, Michele Talso, Ioannis Mykoniatis, Lazaros Tzelves, Panagiotis Kallidonis
PURPOSE: To evaluate the impact of ureteroscope position within renal cavities as well as different locations of the tip of the ureteral access sheath (UAS) on fluid dynamics during retrograde intrarenal surgery (RIRS). MATERIALS AND METHODS: A prospective observational clinical study was performed. Measurements with a flexible ureteroscope placed in the upper, middle and lower calyces were obtained with the tip of the UAS placed either 2 cm below the pyelo-ureteric junction (PUJ), or at the level of the iliac crest...
April 17, 2024: World Journal of Urology