Table 4:

Characteristics of ischemic lesions after carotid angioplasty and stenting

No. of new lesions58 (28 patients)
No. of single lesions15 (15 patients)
No. of multiple lesions43 (13 patients)
Vascular distribution
   Ipsilateral MCA territory19 (67.9)
   Contralateral MCA1 (3.6)
   Posterior fossa4 (14.3)
   Contralateral MCA + posterior fossa1 (3.6)
   Ipsilateral MCA + contralateral MCA3 (10.6)
Location
   Cortical14 (50)
   Subcortical1 (3.6)
   Cortical + subcortical5 (17.9)
   Border zone3 (10.7)
   Deep wm3 (10.7)
   Cortical + deep wm1 (3.6)
   Cortical + subcortical + deep wm1 (3.6)
Size
   <5 mm16 (57.1)
   5–10 mm8 (28.6)
   >10 mm3 (10.7)
   <5 and >10 mm1 (3.6)
Anatomic location
   Frontal3 (10.7)
   Parietal12 (42.9)
   Temporal1 (3.6)
   Occipital2 (7.1)
   Basal ganglia4 (14.3)
   Frontal + parietal + occipital2 (7.1)
   Parietal + occipital + basal ganglia1 (3.6)
   Cerebellum3 (10.7)
  • Note:—MCA indicates middle cerebral artery; wm, white matter. Values in parentheses are percentages.