Inaccurate and misleading valve sizing: a proposed standard for valve size nomenclature

George T Christakis,Karen J Buth,Bernard S Goldman,Stephen E Fremes,Vivek Rao,Gideon Cohen,Michael A Borger,Richard D Weisel

The Annals of Thoracic Surgery（1998）

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摘要

Background. The sizes with which manufacturers label valves are nonuniform and haphazard. This has led to confusion and inappropriate comparisons of hemodynamics between valves with the same labeled size. Hemodynamic performance of valves is primarily determined by the internal diameter (ID) of their orifice.

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valve sizing,inaccurate,nomenclature

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