Solid MES during unprotected CAS
| CAS Phases | Solid MES during 27 CAS (n, Range) |
|---|---|
| (1) Sheath and introducer catheter placement | 57 (0–15) |
| (2) Guidewire crossing stenosis | 29 (0–6) |
| (3) Stent delivery | 202 (0–72) |
| (4) Balloon dilation | 130 (0–31) |
| (5) Balloon deflation | 66 (0–15) |
| Total | 484 (0–119) |
| Friedman test (dF = 4/134) | |
| Chi-square | 15.07 |
| P (F) | .005 |
Note:—MES indicates microembolic signal; CAS, carotid artery stent placement.