Table 1.
Characteristics of four patients who received tandem Resonance metallic double-J ureteral stents for salvage management of chronic ureteral obstruction
| Patient | Age (years) | Sex | Etiology | Renal units | Change in creatinine (ng/mL) | Resolved hydronephrosis | Number of exchanges | Duration of TRS (days) | Reason for failure | Management after failure |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 45 | F | Retroperitoneal scarring | 2 | −0.2 | None prior (nephrostomy) | 2 | 188 | Recurrent fungal UTI | 8F plastic stent |
| 2 | 50 | F | Colon cancer | 2 | x | Yes | 1 | 59 | Hydronephrosis, renal failure | Nephrostomy |
| 3 | 74 | M | Ureteral stricture | 2 | −1.15 | Yes | 1 | 317 | NA | NA |
| 4 | 82 | M | Colon cancer | 1 | x | No | 0 | 6 | Flank pain, renal failure | Nephrostomy |
TRS indicates tandem Resonance stent; UTI, urinary tract infection.