Table 4.

Cerebral BFV ipsilateral and contralateral to ICA stenosis in patients with severe CS and contralateral CO after and before CEA.

	ACA (cm/s)	MCA (cm/s)	PCA (cm/s)	BA (cm/s)
Ipsilateral to ICA stenosis
Pre-CEA	95.38 ± 17.17	119.01 ± 54.71	60.99 ± 12.45	94.61 ± 21.55
Post-CEA	128.03 ± 29.88#	154.12 ± 59.54#	70.21 ± 24.42	102.94 ± 33.86
P value	0.03489	0.00241	0.19174	0.50623
Contralateral to ICA stenosis
Pre-CEA	95.47 ± 20.71	114.72 ± 78.33	67.02 ± 11.77	94.61 ± 21.55
Post-CEA	131.46 ± 47.09#	153.53 ± 85.06#	70.74 ± 18.99	102.94 ± 33.86
P value	0.04011	0.03536	0.35679	0.50623

BFV, blood flow velocity; ICA, internal carotid artery; CS, carotid stenosis; CO, carotid occlusion; CEA, carotid endarterectomy; ACA, anterior cerebral artery; MCA, middle cerebral artery; PCA, posterior cerebral artery; BA, basilar artery.

^# P < 0.05 versus pre-CEA.