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Harry A. Dwyer, PhD, Peter B

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1 Migration forces of transcatheter aortic valves in patients with noncalcific aortic insufficiency 
Harry A. Dwyer, PhD, Peter B. Matthews, BS, Ali Azadani, PhD, Liang Ge, PhD, T. Sloane Guy, MD, Elaine E. Tseng, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 138, Issue 5, Pages (November 2009) DOI: /j.jtcvs Copyright © Terms and Conditions

2 Figure 1 TAV schematics. A, Schematic of an open TAV. B, Surface mesh of the TAV within the aortic root. TAV, Transcatheter aortic valve. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © Terms and Conditions

3 Figure 2 Velocity vectors and dynamic pressure contours in the aortic arch. A, Maximum flow acceleration. B, Maximum flow. C, Maximum flow deceleration. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © Terms and Conditions

4 Figure 3 Velocity profile with velocity contours in the aortic root. A, Maximum flow acceleration. B, Maximum flow. C, Maximum flow deceleration. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © Terms and Conditions

5 Figure 4 Force on the TAV. Magnitude of total force and pressure, the largest contributing component, during systole. Force and time are presented in dimensionless units from the simulation. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © Terms and Conditions

6 Figure 5 Contours of wall shear stress on the transcatheter aortic valve and aortic root. A, Maximum flow acceleration. B, Maximum flow. C, Maximum flow deceleration. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © Terms and Conditions


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