The shrinking carotid stent

A 77-year-old man with an asymptomatic 80% stenosis of the right internal carotid artery (ICA) underwent successful carotid artery stenting (CAS) with the Carotid WALLSTENT™, 7.0×30 mm (Boston Scientific, Marlborough, MA, USA) under distal embolic protection in February 2011 (Panel A, Panel B). Five months later he presented with a three-week history of intermittent dizziness and vision impairment. Cerebral magnetic resonance imaging (MRI) showed no signs of cerebral ischaemia. Angio MRI revealed a high grade restenosis of the right ICA. This finding was confirmed during angiography. It showed a 95% restenosis of the ICA in the same segment, just above the bifurcation, ...