Table 2 Procedural data at implantation and retrieval
Data | Value |
|---|---|
Level of deployment at insertion: | |
T12 | 1 (2) |
L1 | 10 (25) |
L1/L2 | 2 (5) |
L2 | 17 (42) |
L2/L3 | 1 (2) |
L3 | 6 (15) |
L4 | 3 (7) |
Anticoagulation regimen at retrieval: | |
None | 1 (5) |
Direct oral anticoagulants | 1 (5) |
Low-Molecular-Weight Heparins | 19 (90) |
Reasons for moderate difficulty to retrieve: | |
Anterior tilt | 1 (5) |
Tilt > 15° | 2 (9) |
IVC thrombus | 1 (5) |
Additional retrieval devices: | |
Grasping device (ALN® kit) | 3 (14) |
10 Fr. manual aspiration catheter | 1 (5) |
Reasons for failure of retrieval: | |
Posterior tilt | 1 (5) |
Filter thrombosis | 2 (9) |
Time to retrieval failure (days) | [68, 70, 72] |