Table 2.
Patient Clinical Characteristics
| Months after TIPS creation | Months after most recent revision | Stent type | Clinical indication for revision | Morphological indication for revision | Abnormal ultrasound1 | Revision type | |
|---|---|---|---|---|---|---|---|
| Pt 1* | 68 | 62 | VSG | Asymptomatic | None | Yes | None |
| Pt 2* | 1 | VSG | Refractory ascites | None | Yes | None | |
| Pt 3 (3A) | 17 | 6 | VSG | Refractory ascites | Stenosis | Yes | Balloon angioplasty |
| Pt 4 | 143 | BMS | Asymptomatic | Stenosis | Yes | Balloon angioplasty | |
| Pt 5 | 60 | VSG | Refractory ascites | Occlusion | Yes | Balloon angioplasty | |
| Pt 6* | 27 | VSG | Refractory ascites | None | Yes | None | |
| Pt 7* | 1 | BMS | Refractory ascites | Occlusion | Yes | Stent graft implantation | |
| Pt 8* | 20 | 6 | VSG | Refractory ascites | Occlusion | Yes | Bare stent implantation |
| Pt 9 | 24 | VSG | Refractory ascites | Stenosis | No | Balloon angioplasty | |
| Pt 10 | 24 | VSG | Refractory ascites | Stenosis | Yes | Bare stent implantation | |
| Pt 11 | 112 | 104 | BMS | Refractory ascites | Stenosis | Yes | Balloon angioplasty |
| Pt 12 | 12 | VSG | Refractory ascites | Stenosis | Yes | Bare stent implantation | |
| Pt 13 | 126 | 81 | VSG | Asymptomatic | None | Yes | None |
| Pt 14 | 42 | 14 | VSG | Refractory ascites | Stenosis | Yes | Balloon angioplasty |
| Pt 15 (3B) | 23 | 5 | VSG | Refractory ascites | Stenosis | Yes | Balloon angioplasty |
| Pt 16 | 166 | VSG | Asymptomatic | None | Yes | Balloon angioplasty | |
| Pt 17 | 12 | VSG | Refractory ascites | None | No | Balloon angioplasty | |
| Pt 18 | 12 | VSG | Asymptomatic | None | Yes | None | |
| Pt 19 (3C) | 28 | 5 | VSG | Refractory ascites | Stenosis | Yes | Bare stent |
Pt: Patient; VSG: Viatorr stent-graft; BMS: Bare metal stent; 3A, 3B, 3C: Multiple studies in Pt 3
*
Omitted for reasons as described in the text
1
Abnormal ultrasound consists of one or more of the following criteria: (1) change in baseline velocities, (2) reversal of flow in left or right portal vein away from TIPS, or (3) absence of flow in TIPS.