Introduction: We aimed to evaluate the long-term results of incontinent and continent catheterizable stoma urine diversion for non-malignant causes.

Methods: Patients who underwent catheterizable stoma or incontinent urine diversion for lower urinary tract dysfunction at our institute were reviewed and statistically analyzed between March 2012 and December 2019. The preoperative, intraoperative, and postoperative characteristics of the two groups were compared. The long-term outcomes were reported as soon as any medical encounter related to the operation occurred after six months of operation.

Results: We identified 53 patients who underwent incontinent urinary diversions (IUD) and 25 who underwent continent urinary diversions (CUD). Patients who underwent IUD had a higher rate of postoperative ileus (30.2%, n=16) and blood loss (7.5%, n=4), while CUD was associated with a higher rate of postoperative wound infection (18.1%, n=4). In the long-term, 67.9% (n=36) of patients with IUD reported improvement in urological symptoms, higher than the rate reported for CUD (59%, n=13) (p=0.6). There was no statistically significant difference in overall late complications between the two groups (54.7% vs. 72.7%, p=0.2). While stomal stenosis was the only statistically significant late complication (p=0.02), there was no significant difference in reoperation rate (15.1% vs. 4.5%, respectively, p=0.2) (Table 1).

Conclusions: The overall long-term complication rate is comparable between CUD and IUD for lower urinary tract dysfunction. The only notable individual complication is stomal stenosis, and it was not associated with a significant reoperation rate.