Ureteral access sheaths (UASs) are part of urologist's armamentarium when performing
retrograde intrarenal surgery (RIRS). Recently, the world of RIRS has changed dramatically …

Purpose To evaluate the outcomes of pre-stented (PS) versus non-pre-stented (NPS)
patients who have undergone retrograde intrarenal surgery (RIRS) for renal calculi with …

Introduction To evaluate the clinical benefit of preoperative adrenergic α1-antagonist
therapy in the management of upper urinary calculi. Materials and methods Publications …

Objective: We aimed to evaluate and compare the functional characteristics, safety profile
and effectiveness of two commonly used ureteral access sheaths (UAS) during flexible …

Purpose To evaluate the effect of regular use of CCB before flexible URS for successful
primary UAS insertion. Materials and methods We retrospectively analyzed 209 patients …

Purpose. Insertion of a ureteral access sheath (UAS) may fail in some patients in retrograde
intrarenal surgery (RIRS), and this study aimed to seek preoperative risk factors for the …

Introduction: The use of a ureteral access sheath (UAS) during ureteroscopy (URS) has
been associated with the risk for ureteral injuries. Preoperative administration of α1-blockers …

Muhlis Yusuf 1, 2, Niwanda Yogiswara 1, 2, Muhammad Rifki Setiawan 1, 2, Sirin Salsabila
1, 2, Mohammad Ayodhia Soebadi 1, 3, Soetojo Wirjopranoto 1, 2* Background: Recent …

目的: α 受体阻滞剂可以减少输尿管收缩力和蠕动频率, 降低放置输尿管通道鞘(ureteralaccess
sheath, UAS) 的阻力. 较小的置鞘阻力与更低程度的置鞘损伤有关, 并增加置鞘成功的可能性 …

Introduction to evaluate the effect of preoperative Silodosin on ureteric dilatation to facilitate
ureteral access sheath (UAS) placement and reduction of ureteral wall injury in retrograde …