Table 5.
Ocular BFV ipsilateral and contralateral to ICA stenosis in patients with severe CS and contralateral CO after and before CEA.
| OA with retrograde flow (%) | CRA (cm/s) | SPCA (cm/s) | |
|---|---|---|---|
| Ipsilateral to ICA stenosis | |||
| Pre-CEA | 1/5 (20%) | 7.51 ± 2.02 | 7.35 ± 1.36 |
| Post-CEA | 0/5 (0%) | 8.85 ± 2.25 | 12.4 ± 4.31# |
| P value | NA | 0.38402 | 0.03723 |
| Contralateral to ICA stenosis | |||
| Pre-CEA | 1/5 (20%) | 6.67 ± 3.06 | 6.11 ± 1.29 |
| Post-CEA | 0/5 (0%) | 7.66 ± 3.01 | 7.56 ± 1.97 |
| P value | NA | 0.08432 | 0.12419 |
BFV, blood flow velocity; ICA, internal carotid artery; CS, carotid stenosis; CO, carotid occlusion; CEA, carotid endarterectomy; CRA, central retinal artery; SPCA, short posterior ciliary arteries; OA, ophthalmic artery; NA, not applicable.
# P < 0.05 versus pre-CEA.