Table 1.
Baseline Characteristics for the 197 Patients and Treated Limbs.a
| Age, y | 71±11 (41–93) |
| Men | 129 (65.5) |
| Comorbidities and risk factors | |
| Hypertension | 181 (91.9) |
| Hypercholesterolemia | 153 (77.7) |
| Bleeding diathesis/coagulopathy | 2 (1.0) |
| Diabetes mellitus | 129 (65.5) |
| Chronic renal insufficiency | 57 (28.9) |
| Renal failure requiring dialysis | 16 (8.1) |
| Smoking status, current / former / never | 35 (17.8) / 96 (48.7) / 66 (33.5) |
| Target limb characteristics | |
| Previous intervention | 65 (33.0) |
| Previous intervention with tibiopedal access | 30 (15.2) |
| Previous arterial access site complication | 10 (5.1) |
| Antegrade attempt prior to tibiopedal attempt | 132 (67.0) |
| Rutherford score | |
| 2 | 9 (4.6) |
| 3 | 55 (27.9) |
| 4 | 37 (18.8) |
| 5 | 80 (40.6) |
| 6 | 16 (8.1) |
| Preexisting tissue loss | 101 (51.3) |
| Amputation | 7 (3.6) |
| Amputation/gangrene | 2 (1.0) |
| Amputation/ischemic ulcer | 7 (3.6) |
| Amputation/ischemic ulcer/gangrene | 5 (2.5) |
| Gangrene | 12 (6.1) |
| Ischemic ulcer | 55 (27.9) |
| Gangrene/ischemic ulcer | 13 (6.6) |
| Lesion locationb | |
| Iliacc | 1 (0.5) |
| Superficial femoral artery | 63 (32.0) |
| Popliteal | 74 (37.6) |
| Anterior tibial | 85 (43.1) |
| Posterior tibial | 47 (23.9) |
| Peroneal | 27 (13.7) |
| Other | 18 (9.1) |
| Arteries spanned by lesion, 1 / 2 / 3 | 118 (59.9) / 48 (24.4) / 31 (15.7) |
| Cumulative lesion length, cm | 17±13 (0.5–60.0), median 15 |
| 0–10 | 72 (36.5) |
| 11–20 | 50 (25.4) |
| 21–30 | 39 (19.8) |
| >30 | 27 (13.7) |
| Not reported | 9 (4.6) |
| Tortuosity | |
| None | 69 (35.0) |
| Mild | 69 (35.0) |
| Moderate | 43 (21.8) |
| Severe | 9 (4.6) |
| Not reported | 7 (3.6) |
a
Continuous data are presented as the means ± standard deviation (range), median if available; categorical data are given as the counts (percentage).
b
Total exceeds 100% due to lesions that spanned multiple vessels.
c
Treated in conjunction with infrapopliteal disease.