Evidence-based On-call

internal medicine

Stroke

Prevalence
Clinical features
Investigations
Therapy
Prevention
Prognosis

Prevention

Carotid endarterectomy

There is no clear benefit from shunting ^d

Why?

Shunting during endarterectomy has no clear effect on subsequent stroke or death ^d

Expiry date: October 2003
Levels of Evidence used in grading these guides

Author	CM Ball
Reviewer	G Donnan
CAT Writers	CJ Wotton , N Shenker , CM Ball