VWF and atrial fibrillation: Low ADAMTS13 and high VWF levels have beenassociated with AF and left atrial remodeling.19,20 As the observedassociation of the ADAMTS13 c.1342C>G variant with previous cerebral ischemicevents and AF was not accompanied by lower ADAMTS13 or higher VWF levels in ourstudy, the mechanisms behind these observations are unclear.