Impact of eliminating urethral catheterization following ureterorenoscopic lithotripsy

Objectives To show that elimination of a urethral catheter in ureterorenoscopic lithotripsy cases is not disadvantageous. Methods We reviewed 164 non‐catheterized patients (experimental group) and 656 catheterized patients (control group) with renal or ureteral stones treated at our institution. Inclusion criteria were initial operation, patient age 18 to 75 years, no dysuria, and no preoperative febrile urinary tract infection due to calculi. The primary areas of evaluation were patient background, stone characteristics, perioperative factors, and postoperative evaluation results. Results The proportion of women was significantly lower (24.4% vs 37.2%; P = 0.01) and the proportion of multiple stone cases was significantly higher (34.9% vs 19.2%; P