Key result
Nonvalvular atrial fibrillation is associated with a fivefold increase in the risk of ischemic stroke, with cerebral infarction eventually occurring in up to 35 percent of patients.
Relative Risk: 5
Nonvalvular atrial fibrillation is a major risk marker for stroke, associated with a fivefold increase in ischemic stroke risk.
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AF detection in older adults warrants anticoagulation evaluation; reinforces RCT evidence for stroke risk stratification.
Chesebro et al. (1990) conducted a review in Nonvalvular atrial fibrillation. Nonvalvular atrial fibrillation was evaluated on Ischemic stroke (fivefold increase). Nonvalvular atrial fibrillation is associated with a fivefold increase in the risk of ischemic stroke, with cerebral infarction eventually occurring in up to 35 percent of patients.