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Updated Guidelines for Secondary Stroke Prevention

The American Heart Association/American Stroke Association (AHA/ASA) released updated guidelines to prevent subsequent stroke in survivors of ischemic strokes or transient ischemic attacks (TIAs). Specifically, the guidelines—which were published in the January 2011 issue of Stroke—include new recommendations for treating metabolic syndrome, stenting of the carotid artery, and atrial fibrillation, among other updates. The update revised previous recommendations from 2006 and reflected new evidence from recent investigations and analyses pertaining to secondary stroke prevention. This guideline is one of five “flagship” evidence based statements from the AHA/ASA, which are revised every 3 years. They are designed to assist clinicians in making important treatment decisions after stroke or TIA. Metabolic Syndrome & Stenting Updates Among the new recommendations made in the section on metabolic syndrome is that clinicians are now advised to treat individual components that are also stroke risk factors, particularly dyslipidemia and hypertension, in order to prevent a second stroke or TIA in individuals with metabolic syndrome. All patients with carotid artery stenosis and a TIA or stroke should receive optimal medical therapy, including antiplatelet therapy and statins, as well as risk factor modifications. Another important note is that the utility of screening patients for metabolic syndrome after stroke is unknown, so more research is necessary in this component of stroke management. “As the data continue to shed light on emerging therapies and technologies, the hope is that we’ll be able to decrease the burden of stroke and TIA more in the future.”  The section on carotid artery stenting (CAS) for extracranial symptomatic carotid disease was also updated because of recent large clinical trials. CAS can be used as...
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