Journal
CURRENT CARDIOLOGY REPORTS
Volume 20, Issue 11, Pages -Publisher
SPRINGER
DOI: 10.1007/s11886-018-1052-1
Keywords
Cerebral amyloid angiopathy; Atrial fibrillation; Anticoagulation; Antithrombotics; Intracerebral hemorrhage; Cerebral microbleeds
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Purpose of Review This review highlights current management of patients with concomitant cerebral amyloid angiopathy (CAA) and atrial fibrillation (AF). We review quantifying risk of ischemic and hemorrhagic stroke as well as treatments to minimize future risk. Recent Findings Ischemic stroke risk in AF can be quantified by CHA(2)DS(2)-VASc and assessing left atrial echocardiographic characteristics. Patients deemed not low risk by CHA(2)DS(2)-VASC should be anticoagulated. CAA increases intracranial hemorrhage risk. CAA biomarkers include cortical microbleeds (CMBs), cortical superficial siderosis (cSS), convexal subarachnoid hemorrhage (cSAH), and lobar intracerebral hemorrhage (ICH). CAAwith prior lobar ICH has an annual recurrence rate of 8.9%. CAAwith cSAH carries an even higher annual lobar ICH risk of 19%. CMBs are associated with a dose-dependent risk of ICH, which rises with OACs. Summary In patients with AF, antithrombotics should be avoided in CAAwith predominant ICH, cSS, or cSAH features. Those with >= 2 CMB require in-depth risk-benefit analysis using a multidisciplinary approach.
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