Doppler Versus Catheter Transvalvular Pressure Gradients In Self-Expanding Versus Balloon Expandable Transcatheter Aortic Valves, An In Vitro Study

Viktoria Stanova,Régis Rieu,Anne-Sophie Zenses,Josep Rodés-Cabau,Philippe Pibarot

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY（2020）

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摘要

Because of pressure recovery (PR) phenomenon, transvalvular pressure gradients (TPGs) measured by Doppler are generally higher than those measured by catheterization. Recent studies suggest that the extent of PR and thus of the Doppler-catheter TPG difference may be more important in balloon-

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关键词

catheter transvalvular pressure gradients,self-expanding

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