Calculation of Mitral Valve Area by Continuity Equation Using Velocity-Time Integral From Mitral Valve Orifices After Mitral Clip.

Narayana Sarma V Singam,Diana Otero, Bahjat Al Adili,Kendra J Grubb,Michael P Flaherty, Dana M Settles,Marcus F Stoddard

The Journal of invasive cardiology（2022）

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摘要

Mitral valve inflow hemodynamics were the same regardless of the size differences between the large and small orifices. Therefore, total MVA can be calculated using the continuity equation in patients irrespective of MR mechanism. This allows for a derivation of total MVA at the time of MVCC placement to evaluate for mitral stenosis.

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关键词

mitral regurgitation,mitral valve clip closure,transesophageal echocardiography

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