The aim of the study is to evaluate the effect of preoperative taking alpha-blockers (tamsulosin or silodosin) on the success rate of ureteral access sheath (UAS) insertion and the degree of ureteral injury during RIRS in non-prestented patients. The results showed that patients who received alpha-blockers had a higher rate of successful UAS insertion and a lower degree of ureteral injury compared to non-prestented patients. In addition, patients with a BMI greater than 25 kg/m² and those older than 59 years demonstrated a higher success rate of UAS insertion and lower degree of ureteral injury.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
successful of ureteral access sheath insertion
Timeframe: Intraoperative
degree of ureteral injury
Timeframe: Perioperative
postoperative pain
Timeframe: 6, 24, and 48 hours postoperatively
Inflammatory markers
Timeframe: Baseline and 24 hours postoperatively
Factors influencing successful ureteral access sheath insertion
Timeframe: Until the completion of the study, on average 1 year