Stroke risk perception in atrial fibrillation patients is not associated with clinical stroke risk

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Background Clinical risk stratification models, such as the CHA 2DS 2-VASc, are used to assess stroke risk in atrial fibrillation (AF) patients. No study has yet investigated whether and to which extent these patients have a realistic perception of their personal stroke risk. The purpose of this study was to investigate and describe the association between AF patients' stroke risk perception and clinical stroke risk. Methods In an observational cross-sectional study design, we surveyed 178 AF patients with a mean age of 70.6 years (SD 8.3) in stable anticoagulant treatment (65% treatment duration >12 months). Clinical stroke risk was scored through the CHA 2DS 2-VASc, and patients rated their perceived personal stroke risk on a 7-point Likert scale. Results There was no significant association between clinical stroke risk assessment and patients' stroke risk perception (rho =.025; P =.741). Approximately 60% of the high-risk patients had an unrealistic perception of their own stroke risk, and there was no significant increase in risk perception from those with a lower compared with a higher risk factor load (χ 2 =.010; P =.522). Conclusions Considering possible negative implications in terms of lack of motivation for lifestyle behavior change and adequate adherence to the treatment and monitoring of Vitamin K antagonist, the apparent underestimation of risk by large subgroups warrants attention and needs further investigation with regard to possible behavioral consequences.

TidsskriftJournal of Stroke & Cerebrovascular Diseases
Udgave nummer11
Sider (fra-til)2527-2532
StatusUdgivet - nov. 2015


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