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Highlights the importance of understanding pressure recovery fluid dynamics in transcatheter aortic valve models, an area where data is currently scarce.
Pressure recovery (PR) is a physical phenomenon of fluid mechanics in flow-through nozzles and orifices. PR has been extensively characterized in cases of native aortic valve stenosis and surgical bioprosthetic valves, and its magnitude shown to be influenced by several factors such as flow rates, the geometry of the funnel-shaped stenotic orifice, aortic compliance, morphology and diameter of the sinus of Valsalva, and that of the ascending aorta.1 However, data on PR past different transcatheter aortic valve (TAV) models is relatively scarce.
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Francisco Diniz Affonso da Costa (2022) conducted an editorial in Aortic valve stenosis.
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