Asymptomatic Aortic Stenosis: From Risk Stratification to Treatment.

Our understanding of the natural history of aortic stenosis has significantly increased over the last decade. There have been considerable advances in the diagnosis and risk stratification of patients with aortic stenosis and in surgical and anesthetic techniques. In addition, transcatheter aortic valve replacement has established itself as a viable alternative to surgical management. Inevitably, these developments have raised questions regarding the merits of waiting for symptom onset in asymptomatic patients with severe aortic stenosis before offering treatment. Recent observational and randomized trial data suggest that early intervention in asymptomatic patients with severe aortic stenosis and normal left ventricular function may confer a prognostic advantage to a watchful waiting strategy. In this review, we highlight advances in the management and risk stratification of patients with asymptomatic severe aortic stenosis with particular consideration of recent findings supporting early valvular intervention.
Competing Interests: Declaration of competing interest Drs. Banovic, Iung, Putnik, and Bartunek are investigators of the AVATAR trial. Dr. Mahendiran is supported by a grant from the Swiss National Science Foundation. The remaining authors have no competing interest to declare.
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