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Atrial fibrillation is associated with decreased total cerebral blood flow and brain perfusion

Gardarsdottir, Marianna ; Sigurdsson, Sigurdur ; Aspelund, Thor ; Rokita, Hrafnhildur ; Launer, Lenore J ; Gudnason, Vilmundur ; Arnar, David O


Aims Atrial fibrillation (AF) has been associated with cognitive impairment. Additionally, brain volume may be reduced in individuals with AF. Potential causes may include cerebral micro-embolism or reduced stroke volume due to the beat-to-beat variation in AF. The aims of this study were to measure cerebral blood flow and estimate whole brain perfusion in elderly individuals with and without AF. ...


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