Table 2.
Radiographic Characteristics from Pre-operative CTAs of Successful vs Unsuccessful Endovascular Intervention in SFA-pop occlusions
| Total (n = 74) |
Successful (n=59) |
Unsuccessful (n =15) |
P – value | |
|---|---|---|---|---|
| TASC | ||||
| A/B/C (%) | 46 (62) | 40 (87) | 6 (13) | .047 |
| D (%) | 28 (38) | 19 (68) | 9 (32) | |
| Total length of occlusion - cm (IQR) | 14 (6–21) | 11 (6–19) | 21 (13–23) | .042 |
| Multiple occlusion (%) | 27 (36) | 23 (39) | 4 (27) | .55 |
| Negative remodeling* (IQR) | .80 (.60–.80) | .80 (.60–80) | .80 (.60–.95) | .69 |
| Percentage of vessel calcification - (IQR) | 40 (10–80) | 40 (10–80) | 80 (20–100) | .059 |
| 100% Vessel calcification (%) | 9 (12) | 4 (7) | 5 (33) | .014 |
| Tibial vessel runoff (σ) | 2.3 (.7) | 2.3 (0.8) | 2.5 (0.6) | .56 |
| Location of occlusion | ||||
| SFA (%) | 61 (82) | 49 (83) | 12 (80) | .72 |
| Pop (%) | 42 (57) | 31 (53) | 11 (69) | .24 |
| Both (%) | 29 (39) | 21 (36) | 8 (53) | .25 |
*
Negative remodeling - minimum diameter in lesion/ normal vessel diameter