In patients with a recent CV event (stroke or MI), how does clopidogrel compare to aspirin in the secondary prevention of stroke, MI, and CV death?

How clinically efficacious and safe is intra-arterial recombinant prourokinase in patients with acute stroke of less than 6 hours' duration caused by MCA occlusion?

In patients with cryptogenic stroke or TIA with a patent foramen ovale (PFO), does percutaneous PFO closure reduce the risk of a recurrent event?

Among patients with a recent ischemic stroke, how does combination aspirin-dipyridamole compare to clopidogrel in preventing recurrent stroke?

In patients with carotid artery stenosis, how does carotid artery stenting compare with carotid endarterectomy in terms of stroke, MI, and death?

In patients with a history of CVA (including ischemic or hemorrhage stroke, TIA or amaurosis fugax) does the use of perindopril +/- indapamide lead to decreased risk of future stroke?

In patients with acute ischemic stroke, does the administration of alteplase, a tissue plasminogen activator (tPA), reduce disability at 3 months?

In patients with prior stroke or TIA, does high-dose atorvastatin reduce the risk of recurrent stroke?

Does recombinant activated Factor VII reduce severe disability or death in acute intracerebral hemorrhage compared to placebo?

Does intravenous t-PA within three hours of the onset of ischemic stroke improved clinical outcome at three months?

In patients with AF, is dalteparin safe and superior to aspirin in the prevention of recurrent strokes during the first 14 days after an acute ischemic stroke?

In patients with a prior non-embolic ischemic stroke, is warfarin superior to ASA for secondary prevention?

In patients with recent ischemic CVA or TIA, does clopidogrel plus aspirin reduce recurrent events when compared to clopidogrel alone?

In patients with a recent TIA or non-disabling stroke and intra-cranial artery stenosis of 50 to 99%, does medical treatment using warfarin improve mortality and decrease risk for further cerebrovascular events compared with ASA?

In patients with symptomatic stenosis, does CEA reduce risk of death or stroke?