Table 4.
Filter thrombosis and removal in each group.
| AFDVT | PVT | BKDVT | Total | |
|---|---|---|---|---|
| Number of patients | 335 | 470 | 124 | 929 |
| Aegisy® | 98 | 126 | 77 | 301 |
| OptEase® | 220 | 330 | 47 | 597 |
| Denali® | 17 | 14 | 0 | 31 |
| Filter embolization and thrombosis | 37 | 55 | 10 | 102 |
| ≥1-cm length of thrombus around filter | ||||
| Massive thrombosis in the filter | 6 | 7 | 0 | 13 |
| Spread of thrombosis to distal inferior vena cava and unilateral or bilateral iliac veins | 16 | 7 | 0 | 23 |
| Partial thrombosis in the filter | 7 | 15 | 3 | 25 |
| Total | 29 | 29 | 3 | 61 |
| <1-cm length of thrombus around filter | 8 | 26 | 7 | 41 |
| Successfully removed | 31 | 49 | 8 | 88 |
| Patients without thrombus in filter | 298 | 415 | 114 | 827 |
| Converted to permanent filter | 107 | 71 | 11 | 189 |
| Converted to permanent filter for non-thrombotic reason | 71 | 41 | 5 | 117 |
| Refused filter removal | 36 | 30 | 6 | 72 |
| Attempted retrieval | 191 | 344 | 103 | 638 |
| Unsuccessful | 8 | 3 | 1 | 12 |
| Successful | 183 | 341 | 102 | 626 |
| Total patients with successful removal | 214 | 390 | 110 | 714 |
| Aegisy® (79.06%) | 74 | 104 | 60 | 238 |
| OptEase® (75.71%) | 128 | 274 | 50 | 452 |
| Denali® (77.42%) | 12 | 12 | 0 | 24 |
Data are presented as number of patients.
AKDVT, above-knee deep venous thrombosis; PVT, popliteal vein thrombosis; BKDVT, below-knee deep venous thrombosis.