TABLE 2.
Angiographic Characteristics
| Length ≤150 mm |
Length >150 mm |
|||||
|---|---|---|---|---|---|---|
| Balloon Angioplasty (n=75) | Stent (n=64) | p | Balloon Angioplasty (n=31) | Stent (n=84) | p | |
| Lesion length, mm | 66±40 | 93±41 | <0.001 | 247±59 | 257±59 | 0.4 |
| Proximal reference diameter, mm | 4.9±0.9 | 5.6±0.6 | <0.001 | 4.8±0.8 | 5.6±0.7 | <0.001 |
| Preprocedure stenosis, %* | 79.2%±11.8% | 81.0%±7.3% | 0.3 | 82.0%±10.0% | 86.3%±5.8% | 0.09 |
| Lesion location | ||||||
| SFA only | 27 (37%) | 37 (58%) | 0.01 | 24 (77%) | 40 (48%) | 0.02 |
| SFA and popliteal | 47 (64%) | 27 (42%) | 7 (23%) | 44 (52%) | ||
| Total occlusion | 22 (30%) | 20 (31%) | 0.8 | 12 (39%) | 52 (63%) | 0.02 |
| Occlusion length, mm | 61±41 | 52.0±18.6 | 0.3 | 140±97 | 180.7±82.3 | 0.08 |
| Calcification | ||||||
| None-mild | 43 (81%) | 37 (80%) | 0.9 | 18 (82%) | 30 (61%) | 0.09 |
| Moderate-severe | 10 (19%) | 9 (20%) | 4 (18%) | 10 (39%) | ||
| Runoff vessels | ||||||
| 0–1 | 32 (56%) | 25 (43%) | 0.5 | 12 (42%) | 24 (32%) | 0.5 |
| 2–3 | 26 (44%) | 33 (57%) | 17 (58%) | 51 (68%) | ||
| Inflow angioplasty | 2 (3%) | 10 (16%) | 0.01 | 3 (10%) | 11 (13%) | 0.8 |
| Outflow angioplasty | 31 (42%) | 16 (25%) | 0.05 | 7 (23%) | 8 (10%) | 0.1 |
| Fluoroscopy time, min | 27±15 | 32±16 | 0.07 | 36±20 | 40±18 | 0.4 |
| Total contrast, mL | 167±69 | 208±92 | 0.006 | 186±82 | 195±87 | 0.6 |
Continuous data are presented as the means ± standard deviation; categorical data are given as the counts (percentage).
SFA: superficial femoral artery.
*
Excluding patients with chronic total occlusion.