Cardiac amyloidosis (CA) is an infiltrative cardiomyopathy characterized by extracellular deposition of mis-folded proteins called amyloid. Cardiac complications of CA are several: heart failure, aortic valve stenosis, thromboembolism, conduction disorders, atrial fibrillation, and ventricular arrhythmias. Atrial dysfunction is common in CA patients. Several evidences suggest to anticoagulated patients with CA in atrial fibrillation independently from CHA2DS2VaSC score. Considering the high thromboembolic risk in CA patients, anticoagulant therapy should be considered also in CA patients in sinus rhythm, when the atria are enlarged and dysfunctional, and the bleeding risk is low. Unfortunately indication to anticoagulation in patients with CA in sinus rhythm still remains a gray zone. Also drug-drug interactions should be considered in patients with CA. In this review, we will evaluate the effectiveness and safety of oral anticoagulants in CA patients, and we will propose a practical guide for management of anticoagulant therapy in CA patients.
Di Lisi D., Di Caccamo L., Damerino G., Portelli M.C., Comparato F., Di Stefano V., et al. (2022). Effectiveness and Safety of Oral Anticoagulants in Cardiac Amyloidosis: Lights and Shadows. CURRENT PROBLEMS IN CARDIOLOGY, 1-15 [10.1016/j.cpcardiol.2022.101188].
Effectiveness and Safety of Oral Anticoagulants in Cardiac Amyloidosis: Lights and Shadows
Di Lisi D.;Di Caccamo L.;Damerino G.;Portelli M. C.;Comparato F.;Di Stefano V.;Brighina F.;Corrado E.;Ruggero Galassi A.;Novo G.
2022-03-25
Abstract
Cardiac amyloidosis (CA) is an infiltrative cardiomyopathy characterized by extracellular deposition of mis-folded proteins called amyloid. Cardiac complications of CA are several: heart failure, aortic valve stenosis, thromboembolism, conduction disorders, atrial fibrillation, and ventricular arrhythmias. Atrial dysfunction is common in CA patients. Several evidences suggest to anticoagulated patients with CA in atrial fibrillation independently from CHA2DS2VaSC score. Considering the high thromboembolic risk in CA patients, anticoagulant therapy should be considered also in CA patients in sinus rhythm, when the atria are enlarged and dysfunctional, and the bleeding risk is low. Unfortunately indication to anticoagulation in patients with CA in sinus rhythm still remains a gray zone. Also drug-drug interactions should be considered in patients with CA. In this review, we will evaluate the effectiveness and safety of oral anticoagulants in CA patients, and we will propose a practical guide for management of anticoagulant therapy in CA patients.
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