Abstract
The presence of carotid artery stenosis is associated with an increased risk of stroke. Carotid endartectomy (CEA) has been demonstrated to reduce the stroke risk in standard-risk patients with symptomatic carotid stenosis as well as in asymptomatic patients, provided that the operative risk is low. The role of percutaneous carotid intervention is less clear. There are no trials that compare percutaneous carotid intervention with medical management. Although trial results comparing CEA with carotid artery stenting (CAS) are variable and/or controversial, some trials have demonstrated promising results and have fostered enthusiasm for the performance of ongoing trials comparing CAS with CEA. This article focuses on the results of completed trials and outlines ongoing and planned trials that aim to clarify the role of CAS in patients with carotid stenosis. In addition, potential unresolved problems associated with CAS, such as CAS in the elderly, in-stent restenosis and distal embolisation, are discussed.
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