John, Bobby, and Lau, Chu-Pak (2021) Atrial fibrillation in valvular heart disease. Cardiac Electrophysiology Clinics, 13 (1). pp. 113-122.

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Abstract

Rheumatic heart disease results in significant remodeling of the atria that provides the milieu for maintaining atrial fibrillation. Some electrical remodeling is reversible and hence early intervention may prove useful. Active screening for atrial fibrillation in high-risk subset and instituting anticoagulation may reduce the devastating complications that follow. Age older than 50 years, NYHA functional class II symptoms, left atrial dimension >4.0 cm on echocardiogram in parasternal long-axis view, and gradients across the mitral valve >10 mm Hg are clinical indicators that identify the high-risk subset. Ablation strategy in this population may differ compared with the nonvalvular group.

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