Table 2.
Operative results.
| Time period, yr | ||||
|---|---|---|---|---|
| Parameters | 1 (1984–1994) | 2 (1995–2009) | 3 (2010–2021) | Total |
| Operating time, mean (range), min | 28 (10–65) | 33 (7–100) | 37 (13–80) | 33 |
| Post URS hospital stay, mean (range), d | 2.7 (0–16) | 2.3 (0–16) | 1.7 (0–6) | 2.2 |
| Main endoscopic findings* | ||||
| Ureteric/renal calculi | 12 (50%) | 24 (68%) | 14 (48%) | 50 (57%) |
| Distal ureteral edema, no calculi | 5 (21%) | ‐ | 8 (30%) | 13 (15%) |
| Pyonephrosis | ‐ | 1 (3%) | ‐ | 1 (1%) |
| PUJ obstruction | 2 (6%) | 1 (4%) | 3 (4%) | |
| Blood clots in renal pelvis | 1 (4%) | ‐ | ‐ | 1 (1%) |
| Megaloureter | ‐ | 1 (3%) | ‐ | 1 (1%) |
| Normal findings | 6 (25%) | 7 (20%) | 5 (18%) | 18 (21%) |
| Endoscopic stone treatment | ||||
| Stone disintegration and/or extraction | 12 (100%) | 21 (88%) | 10 (84%) | 44 (88%) |
| JJ stent inserted with stone in situ | ‐ | 2 (8%) | 2 (8%) | 4 (8%) |
| JJ stent inserted after stone distracted to renal pelvis | ‐ | 1 (4%) | 1 (7%) | 2 (4%) |
| Exit strategy | ||||
| JJ stent | 3 (12%) | 13 (33%) | 24 (75%) | 40 (42%) |
| Ureteral catheter | 4 (16%) | 15 (39%) | 3 (9%) | 22 (23%) |
| Nothing | 18 (72%) | 11 (28%) | 5 (16%) | 34 (35%) |
*At initial URS.
PUJ = pelvic ureteric junction; URS = ureteroscopy.