Internal Carotid ... severe carotid artery stenosis (≥ 70% stenosis involving the carotid artery bifurcation). This was established by duplex ultrasound imaging. None of the external carotids ...

Archie et al [14] reported 9% of patients had severe (>70%) stenosis of the external carotid artery following carotid endarterectomy; and found that the repair of severely stenosed or occluded ...