Skip to main content

Table 2 Carotid geometry and lesion patterns among patients with high-apical and low-body plaques

From: Atherosclerotic plaque locations may be related to different ischemic lesion patterns

  High-apical type (n = 31) Low-body type (n = 62) P value
Carotid geometry
 ICA-ECA angle, ° 28.4 ± 14.9 22.8 ± 10.0 0.067
 CCA-ICA angle, ° 162.3 ± 9.8 167.7 ± 10.4 0.019
 CCA-ECA angle, ° 168.8 ± 12.4 169.1 ± 12.1 0.869
 ICA-to-CCA diameter ratio 0.56 ± 0.13 0.55 ± 0.12 0.832
 ICA planarity 17.0 ± 8.9 18.1 ± 10.7 0.625
 ICA stenosis severity (NASCET) 69.2 ± 11.4 64.6 ± 13.6 0.105
 Kinking of ICA 2 (6.5) 3 (4.8) 0.999
 Ulceration of plaque 16 (51.6) 35 (56.5) 0.658
 Carotid web 0 0 N/A
Lesion pattern on DWI
 Small (< 15 mm) single cortical lesion 2 (6.5) 2 (3.2) 0.598
 Small (< 15 mm) single subcortical lesion 1 (3.2) 4 (6.5) 0.662
 Small (< 15 mm) multiple scattered lesions 10 (32.3) 34 (54.8) 0.040
 Large single cortico-subcortical lesion 5 (16.1) 9 (14.5) 0.999
 Large single subcortical lesion 1 (3.2) 6 (9.7) 0.418
 Large lesion with additional lesions 12 (38.7) 7 (11.3) 0.002
  1. Values are expressed as number (%) or mean ± standard deviation.
  2. Abbreviations: CCA common carotid artery, DWI diffusion-weighted imaging, ECA external carotid artery, ICA internal carotid artery, N/A not available, NASCET North American Symptomatic Carotid Endarterectomy Trial