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Surgical outcomes of HPBD for POM.
| Success rate after first dilatation (%) | 86 |
| Results | |
| Improvement/disappearance of HN | 16/19 |
| Stable HN | 1 |
| Worsening of HN | 6 |
| Secondary surgery | 10 |
| Re-dilatation | 3 |
| Reimplantation | 4 |
| Others | 3 |
| Follow up (median) | 24 months (2 months−5 years) |
| Complications | |
| Intraoperative | 5 |
| Postoperative | 21 |
| -Grade II (UTIs) | 11 |
| -Grade IIIb (six worsening of HN, two stent encrustation, two UTIs) | 10 |
| Postoperative VUR | 0 |
VUR, vesico ureteral reflux; HN, hydronephrosis.
