Three months ago I wrote about carotid artery narrowing, which is one of a number of causes of stroke.  There are currently two alternative treatments for severe carotid artery narrowing:  surgery, called endarterectomy, to open the artery, and a newer procedure called carotid artery stenting.  (Read my previous post, link below, for some background about these procedures and their role in stroke prevention.) Thus far, carotid artery stenting has not been shown to be as safe as endarterectomy. ...