Bleeding Risk in Atrial Fibrillation: OBRI

The Outpatient Bleeding Risk Index (OBRI) estimates risk of bleeding in AF while on oral anticoagulation.

The global unit selector only affects unanswered questions
1.Age?
2.History of Stroke?
3.History of GI Bleeding?
4.Serious Cormorbidity?
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1. Age?

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About this Calculator

The use of oral anticoagulation is associated with an increased risk of minor (non-life threatening) and major (potentially life threatening) bleeding. Knowledge of the risk of major bleeding with warfarin therapy, as estimated by the Outpatient Bleeding Risk Index (OBRI), could help guide anticoagulation therapy. For example, if a patient with atrial fibrillation has a high risk of major bleeding and a low risk of stroke then anticoagulation may be harmful.

References

Aspinall SL, DeSanzo BE, Trilli LE, et al.

Bleeding Risk Index in an anticoagulation clinic. Assessment by indication and implications for care.

Journal of General Internal Medicine 2005, 20 (11): 1008-13

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