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Hospitalized Patients With Atrial Fibrillation and a High Risk of Stroke Are Not Being Provided With Adequate Anticoagulation

Albert L. Waldo, MD^_*,_*, Richard C. Becker, MD, Victor F. Tapson, MD, Kevin J. Colgan, MA for the NABOR Steering Committee

^_* Division of Cardiology, Case Western University/University Hospitals of Cleveland, Cleveland, Ohio
Duke Clinical Research Institute, Durham, North Carolina
Department of Pulmonary Medicine, Duke University Medical Center, Durham, North Carolina
EPI-Q Inc., Oak Brook, Illinois

View larger version (40K): [in a new window]   Figure 1 Treatment of atrial fibrillation by risk stratification. Diagonal-striped boxes = warfarin; dotted boxes = warfarin plus aspirin; vertical-striped boxes = aspirin; black boxes = no treatment.

View larger version (37K): [in a new window]   Figure 2 Flow chart of classification, type of event, and treatment for atrial fibrillation.

View larger version (40K): [in a new window]   Figure 3 Warfarin use and perceived or actual bleeding risk by age distribution. Bleeding risk includes fall risk, neuropsychological impairment, past bleeding episode, peptic ulcer disease, and aneurysm history. *Chi-square test for trend. **Chi-square. Ruled boxes = warfarin use; black boxes = perceived or actual bleeding risk.