Table 1.
Summary and results of our material. Follow-up at 6 months and at 36 months after the last dilatation
| Etiology n/N (%) | Ureter location n/N (%) | Stricture length (cm) | Number of primary dilatation n/N (%) | Dilatation method n/N (%) | Success rate n/N (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P | M | D | < 2 cm | > 2 cm | 1 × | 2 × | Balloon | Catheter | Ho. laser | 6 months | 36 months | |
| Benign 14/43 (32%) | ||||||||||||
| Idiopathic 6/14 (43%) | 2 | 4 | 6 | 5 | 1 | 4 | 2 | |||||
| Lithiasis 5/14 (36%) | 2 | 3 | 5 | 5 | 3 | 2 | ||||||
| Urinary diversion for neurogenic bladder 1/14 (7%) | 1 | 1 | 1 | 1 | ||||||||
| Pyelo-ureteric junction obstruction 1/14 (7%) | 1 | 1 | 1 | 1 | ||||||||
| Collagen colitis 1/14 (7%) | 1 | 1 | 1 | |||||||||
| Total | 5/14 (36%) | 9/14 (64%) | 14/14 (100%) | 13/14 (93%) | 1/14 (7%) | 9/14 (64%) | 4/14 (28%) | 1/14(8%) | 13/14 (93%) | 13/14 (93%) | ||
| Post-malignant 29/43 (68%) | ||||||||||||
| Surgery and radiotherapy 8/29 (27%) | 2 | 6 | 3 | 5 | 6 | 2 | 7 | 1 | ||||
| Radical cystectomy 6/29 (21%) | 6 | 2 | 4 | 6 | 6 | |||||||
| Radical prostatectomy 4/29 (14%) | 4 | 2 | 2 | 3 | 1 | 2 | 2 | |||||
| Radiotherapy 3/29 (10%) | 3 | 2 | 1 | 2 | 1 | 1 | 2 | |||||
| BCG/Mitomycin (UTUC) 4/29 (14%) | 4 | 3 | 1 | 3 | 1 | 4 | ||||||
| Distal ureter malignancy 4/29 (14%) | 4 | 3 | 1 | 3 | 1 | 3 | 1 | |||||
| Total | 2/29 (7%) | 27/29 (93%) | 15/29 (52%) | 14/29 (48%) | 23/29 (79%) | 6/29 (21%) | 23/29 (79%) | 6/29 (21%) | 21/29 (72%) | 18/29 (62%)a | ||
| Overall | 5/43 (12%) | 2/43 (4%) | 36/43 (84%) | 29/43 (67%) | 14/43 (33%) | 36/43 (84%) | 7/43 (16%) | 32/43 (74%) | 10/43 (23%) | 1/43 (3%) | 34/43 (79%) | 31/43 (72%) |
D distal ureter, M mid ureter, P proximal ureter, Ho holmium, UTUC upper tract urothelial carcinoma, 1 × one dilatation, 2 × two dilatations
aThree recurrences failed re-dilatation