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-CEA	1/13 (7.6%)	9.81 ± 2.95	9.39 ± 2.71
Post-CEA	0/13 (0%)	12.07 ± 5.10	12.92 ± 4.01#
P value	NA	0.07033	0.00996
Contralateral to ICA stenosis
Pre-CEA	0/13 (0%)	10.67 ± 3.33	10.53 ± 3.75
Post-CEA	0/13 (0%)	12.13 ± 4.31	12.28 ± 4.21
P value	NA	0.25332	0.11588

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.

^# P < 0.05 versus pre-CEA.