Incidence of New Thromboembolic Stroke in Persons 62 Years and Older with Chronic Atrial Fibrillation Treated with Warfarin Versus Aspirin

1999 ◽  
Vol 47 (3) ◽  
pp. 366-368 ◽  
Author(s):  
Wilbert S. Aronow ◽  
Chul Ahn ◽  
Itzhak Kronzon ◽  
Hal Gutstein
Keyword(s):  
Atrial Fibrillation ◽  
Chronic Atrial Fibrillation ◽  
Thromboembolic Stroke

scholarly journals Prevention of stroke in chronic andrecurrent atrial fibrillation

2001 ◽  
Vol 24 (3) ◽  
pp. 61 ◽  
Author(s):  
Anne-Maree Kelly ◽  
Debra Kerr ◽  
Ruth Hew
Keyword(s):  
Atrial Fibrillation ◽  
High Risk ◽  
American Heart ◽  
Anticoagulation Therapy ◽  
Heart Association ◽  
Chronic Atrial Fibrillation ◽  
Prior History ◽  
Demographic Information ◽  
Thromboembolic Stroke ◽  
History Of

The objective was to determine the proportion of patients presenting to the Emergency Department (ED) in atrialfibrillation (AF) who are at high risk of thromboembolic stroke as defined by the American Heart Association andwho might benefit from anticoagulation therapy.We enrolled all patients identified as having AF between 28th June 1999 and 26th March 2000. Data collectedincluded demographic information, presenting complaint, discharge diagnosis, risk factors for thromboembolic stroke,contraindications to anticoagulation (as defined by the Stroke Prevention in AF Investigators), admission anddischarge medications, and cardiac rhythm on presentation and at discharge.193 patients were identified within the study period. Two patient histories were not available for review. 121 patientshad a prior history of AF. Of these, 65 patients were at high risk for thromboembolic stroke and had no contra-indicationto anticoagulation therapy. 43 (66%) were on Warfarin at presentation but 14 (22%) were on Aspirinand 8 (12%) were on neither.34% of patients with chronic atrial fibrillation presenting to the ED, at high risk of thromboembolic stroke andwithout contra-indication to anticoagulation, were not anticoagulated on presentation. ED attendance provides anopportunity for intervention for the prevention of stroke in this group.

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