Table 2.
Procedural details
| Characteristics | Retrograde (n=66,393) | Antegrade (n=6,070) | P Value* |
|---|---|---|---|
|
| |||
| Operative History | |||
| Prior Major Amputation | 7,361 (11.1%) | 870 (14.3%) | <0.001 |
| Prior Inflow Stent or Angioplasty | <0.001 | ||
| None | 57,800 (87.1%) | 5,242 (86.4%) | |
| Ipsilateral | 3,036 (4.6%) | 258 (4.3%) | |
| Contralateral | 2,410 (3.6%) | 208 (3.4%) | |
| Bilateral | 3,147 (4.7%) | 362 (6.0%) | |
| Prior Inflow Bypass | <0.001 | ||
| None | 65,009 (97.9%) | 5,781 (95.2%) | |
| Ipsilateral | 537 (0.8%) | 84 (1.4%) | |
| Contralateral | 387 (0.6%) | 62 (1.0% | |
| Bilateral | 460 (0.7%) | 143 (2.4%) | |
| Prior Infrainguinal Stent or Angioplasty | <0.001 | ||
| None | 41,772 (62.9%) | 3,760 (62.0%) | |
| Ipsilateral | 10,364 (15.6%) | 1,090 (18.0%) | |
| Contralateral | 7,554 (11.4%) | 670 (11.0%) | |
| Bilateral | 6,703 (10.1%) | 550 (9.1%) | |
| Prior Infrainguinal Bypass | <0.001 | ||
| None | 59,988 (90.4%) | 5,429 (89.4%) | |
| Ipsilateral | 2,945 (4.4%) | 247 (4.1%) | |
| Contralateral | 2,484 (3.7%) | 297 (4.9%) | |
| Bilateral | 976 (1.5%) | 97 (1.6%) | |
| Procedural Details | |||
| Elective | 55,614 (83.8%) | 5,049 (83.2%) | 0.238 |
| Indication | <0.001 | ||
| Occlusive Disease | 64,073 (96.5%) | 5,495 (90.5%) | |
| Aneurysm | 536 (0.8%) | 238 (3.9%) | |
| Occlusive or Aneurysm | 81 (0.1%) | 38 (0.6%) | |
| None/Unknown | 1,703 (2.6%) | 299 (4.9%) | |
| Right-sided Access | 34,532 (52.0%) | 3,308 (54.5%) | <0.001 |
| Ultrasound Guidance | 43,916 (66.2%) | 4,635 (76.4%) | <0.001 |
| Largest Sheath Size (French) | 6.0 ± 0.7 | 6.0 ± 1.0 | <0.001 |
| Contrast (ml) | 90.8 ± 57.6 | 76.8 ± 51.7 | <0.001 |
| Protamine | 10,992 (16.6%) | 974 (16.0%) | 0.312 |
Values as mean ± standard deviation or n (%).
*
Calculated using a X2 test for categorical variables and a Student’s t-test for continuous variables.