Comparison of Stent-Related Symptoms: Regular Double J Stent vs. Comfi J Stent

A prospective, single-blinded, randomized controlled trial conducted at a single center to compare stent related symptoms between two different stents using Ureteral Stent Symptom Questionnaire (USSQ) scores , Visual Analog Scale (VAS) pain scores.

Inclusion Criteria: * Eligible participants were adult patients (aged 18-80 years) who underwent unilateral retrograde ureteroscopy (URS) lithotripsy for stone disease * Retrograde intrarenal surgery (RIRS) lithotripsy with planned ureteric stent insertion for urinary tract stones Exclusion Criteria: * Concomitant use of a-blockers, anticholinergics, corticosteroids, calcium channel blockers, and analgesics * Undergoing percutaneous nephrolithotomy, open ureteric surgery or laparoscopic ureteric surgery, including ureterolithotomy * Neurogenic bladder, Overactive bladder syndrome, and neurological and psychiatric diseases * Preoperative febrile Urinary Tract Infection (UTI) * Pregnancy or breastfeeding; * A single kidney * Moderate or severe cardiovascular or cerebrovascular disease * Hepatic dysfunction * History of pelvic surgery or irradiation * History of bladder or prostate surgery * Other acute medical conditions (including acute pancreatitis, acute gastroenteritis, musculoskeletal disorders) that might influence the USSQ pain score * Allergy to any medication