This prospective randomized controlled trial investigates the effects of alfuzosin, mirabegron, and their combination on stent-related symptoms and outcomes in patients undergoing DJ stent placement after retrograde intrarenal surgery (RIRS) for renal stones. The primary outcomes include stone-free rate and residual fragment status, while secondary outcomes focus on stent-related pain and lower urinary tract symptoms (LUTS). Patients will be randomly assigned to one of four groups: alfuzosin only, mirabegron only, combination therapy, or control. Pain and LUTS will be assessed using validated questionnaires such as the Ureteral Stent Symptom Questionnaire (USSQ) and IPSS.
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Stent-Related Pain Score
Timeframe: Day 7 postoperatively and Day 14 postoperatively.
Lower Urinary Tract Symptom (LUTS) Score
Timeframe: Day 7 postoperatively and Day 14 postoperatively