Symptomatic and asymptomatic carotid stenosis: how, when, and who to treat?

Carotid stenosis is an important cause of ischemic stroke. Large randomized trials of endarterectomy have shown that surgery reduces the risk of stroke in patients with recently symptomatic carotid stenosis of 50% or greater, and to a lesser extent in patients with asymptomatic carotid stenosis of 6...