Table III.
Anatomical predictors of perioperative stroke and major adverse events (MAEs)
| Predictor | Stroke, No. (%) | P value | MAE, No. (%) | P value |
|---|---|---|---|---|
| Lesion location | ||||
| All lesions | .7371 | .1164 | ||
| Left sidea | 6/230 (2.6) | 14/230 (6.1) | ||
| Right sidea | 3/179 (1.7) | 5/179 (2.8) | ||
| ICA lesions only | .4584 | .1808 | ||
| Left side | 5/161 (3.1) | 10/161 (6.2) | ||
| Right side | 2/137 (1.5) | 4/137 (2.9) | ||
| Primary CAS | 8/261 (3.1) | .1656 | 15/261 (5.8) | .1637 |
| CAS for post-CEA | 1/147 (0.7) | 4/147 (2.7) | ||
| Preoperative stenosis | .4626 | .3616 | ||
| 50%–69% | 1/27 (3.7) | 2/27 (7.4) | ||
| 70%–99% | 8/382 (2.1) | 17/382 (4.5) | ||
| Lesion length | ||||
| <15 mm | 4/175 (2.3) | 1 | 12/175 (6.9) | .0754 |
| ≥15 mm | 5/228 (2.2) | 7/228 (3.1) | ||
| <20 mm | 6/230 (2.6) | .7380 | 14/230 (6.1) | .1588 |
| ≥20 mm | 3/173 (1.7) | 5/173 (2.9) | ||
| Target site calcification | .046 | .2496 | ||
| Heavy | 3/48 (6.3) | 4/48 (8.3) | ||
| None to mild | 4/332 (1.2) | 13/332 (3.9) | ||
| Aortic arch type | 1 | .4569 | ||
| Type I | 4/179 (2.2) | 6/179 (3.4) | ||
| Type II | 3/170 (1.8) | 10/170 (5.9) | ||
| Type III | 1/32 (3.1) | 1/32 (3.1) | ||
| Unknown | 1/28 (3.6) | 2/28 (7.1) |
CAS, Carotid artery stenting; CEA, carotid endarterectomy; ICA, internal carotid artery.
a
Includes all common carotid artery, carotid bifurcation, and ICA lesions.