The Medical Letter on Drugs and Therapeutics
				
			FROM
ISSUE 1313
    
   			ISSUE 1313
June 1, 2009
                			
                		 Issue 1313
                		
            		
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				In Brief: Prevention of Stroke in Patients with Atrial Fibrillation
June 1, 2009 (Issue: 1313)
				Atrial fibrillation increases the risk of stroke by a factor of 5. A randomized controlled trial (ACTIVE W) in 6706 patients with atrial fibrillation and one or more additional risk factors (≥75 years old; hypertension; previous stroke, transient...more
        			
        			
				
				
        			
				The Medical Letter is a subscriber-funded nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases.
				

