Table 2.
Procedure and Target Lesion Characteristics of 316 Subjects With Subacute vs Acute Limb Ischemia.a
| Characteristics | All Subjects (n=316) | Subacute Ischemia (n=114) | Acute Ischemia (n=202) | pb |
|---|---|---|---|---|
| Target occlusion length, cm | 22.9±14.8 | 20.2±13.7 | 24.5±15.2 | 0.016 |
| Thrombosis | 256 (81.0) | 104 (91.2) | 152 (75.2) | <0.001 |
| Embolism | 60 (19.0) | 10 (8.8) | 50 (24.8) | <0.001 |
| Femoropopliteal segment occlusion | 231 (73.1) | 90 (78.9) | 141 (69.8) | 0.087 |
| Femoropopliteal bypass occlusion | 72 (22.8) | 20 (17.5) | 52 (25.7) | 0.124 |
| Aortoiliac segment occlusion | 35 (11.1) | 7 (6.1) | 28 (13.9) | 0.040 |
| Deep femoral artery occlusion | 32 (10.1) | 6 (5.3) | 26 (12.9) | 0.033 |
| In-stent occlusion | 74 (23.4) | 25 (21.9) | 49 (24.3) | 0.680 |
| Additional infrapopliteal lesion | 195 (61.7) | 57 (50.0) | 138 (68.3) | 0.002 |
| Residual stenosis after RTX alone, % | 38.4±26.1 | 43.8±23.8 | 35.3±26.8 | 0.008 |
| Residual stenosis length after RTX alone, cm | 3.8±4.9 | 4.5±5.8 | 3.4±4.2 | 0.007 |
| Stented length, cm | 4.3±6.9 | 4.4±7.5 | 4.2±6.6 | 0.891 |
| RTX run time, min | 2.3±1.2 | 2.2±1.2 | 2.3±1.1 | 0.488 |
| Number of RTX passes | 3.4±1.1 | 3.3±1.2 | 3.4±1.1 | 0.130 |
| Dilation after RTX | 245 (77.5) | 102 (89.5) | 143 (70.8) | <0.001 |
| Stenting after RTX | 139 (44.0) | 51 (44.7) | 88 (43.6) | 0.906 |
| Aspirationc in target vessel | 25 (7.9) | 7 (6.1) | 18 (8.9) | 0.516 |
Abbreviation: RTX, Rotarex catheter.
a
Continuous data are presented as the mean ± standard deviation; categorical data are given as the number (percentage).
b
Acute vs subacute.
c
Percutaneous aspiration thromboembolectomy.