Clinical Study

Improvement in Cerebral and Ocular Hemodynamics Early after Carotid Endarterectomy in Patients of Severe Carotid Artery Stenosis with or without Contralateral Carotid Occlusion

Table 3

Ocular BFV ipsilateral and contralateral to ICA stenosis in patients with unilateral CS after and before CEA.

OA with retrograde flow (%) CRA (cm/s)SPCA (cm/s)

Ipsilateral to ICA stenosis
 Pre-CEA1/13 (7.6%)9.81 ± 2.959.39 ± 2.71
 Post-CEA0/13 (0%)12.07 ± 5.1012.92 ± 4.01
valueNA0.070330.00996
Contralateral to ICA stenosis
 Pre-CEA0/13 (0%)10.67 ± 3.3310.53 ± 3.75
 Post-CEA0/13 (0%)12.13 ± 4.3112.28 ± 4.21
valueNA0.253320.11588

BFV, blood flow velocity; ICA, internal carotid artery; CS, carotid stenosis; CEA, carotid endarterectomy; CRA, central retinal artery; SPCA, short posterior ciliary arteries; OA, ophthalmic artery; NA, not applicable.
versus pre-CEA.