Sponsors

Lead Sponsor

CryoLife, Inc.

Collaborators

Northwestern University

Prospective, concurrent 4D flow Magnetic Resonance Imaging (MRI) and echocardiography of On-X and St Jude Medical (SJM) Masters HP or Carbomedics Carbo-seal or Carbo-seal Valsalva aortic valve replacement (AVR) patients will be performed. Echocardiography analysis will include: valve function (opening angle), pressure gradients, and degree of valve washout. MRI analysis will focus on downstream flow patterns (helicity and vorticity), energy loss, pressure recovery, and measurement of wall shear stress in the anastomosis regions.

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RECRUITING

Post-surgical Aortic Hemodynamics After Aortic Valve Replacement

What this study is about

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Sponsors

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