1. Stent and leaflet stresses in a 26-mm first-generation balloon-expandable transcatheter aortic valve 
Yue Xuan, PhD, Kapil Krishnan, PhD, Jian Ye, MD, Danny Dvir, MD, Julius M. Guccione, PhD, Liang Ge, PhD, Elaine E. Tseng, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 153, Issue 5, Pages (May 2017)
DOI: /j.jtcvs
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
A, Regions of interest studied for stress distribution in leaflets. Region 1 = upper leaflet free edges, region 2 = lower leaflet belly, and region 3 = sutured leaflet edges. B, Geometry of 26-mm Sapien Transcatheter Aortic Valve (Edwards Lifesciences, Irvine, Calif). C, Transcatheter aortic valve finite element mesh.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Principal stresses on entire leaflet assembly at 80 mm Hg under quasistatic conditions. A, Maximum. B, Minimum. Principal stresses on entire leaflet at 120 mm Hg under quasistatic conditions. C, Maximum. D, Minimum.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

4. Figure 3
Under quasistatic conditions for region 1, principal stress at 80 mm Hg. A, Maximum B, Minimum. Principal stress at 120 mm Hg. C, Maximum. D, Minimum. For region 2, principal stresses at 80 mm Hg. E, Maximum. F, Minimum. Principal stresses at 120 mm Hg. G, Maximum. H, Minimum. For region 3, principal stresses at 80 mm Hg. I, Maximum. J, Minimum. Principal stresses at 120 mm Hg. K, Maximum. L, Minimum.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

5. Figure 4
Comparison of principal stress contours for the 3 leaflet regions of interest at 80 and 120 mm Hg at quasistatic loading conditions. A, Maximum and B, Minimum.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

6. Figure 5
Under quasistatic loading, principal stresses of stent at 80 mm Hg. A, Maximum. B, Minimum. Under quasistatic loading, principal stresses at 120 mm Hg. C, Maximum. D, Minimum.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

7. Figure 6
For the noncylindrical geometry, maximum principal stress at 80 mm Hg. A, Leaflet top and bottom. B, Stent.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

8. The 26-mm Sapien Transcatheter Heart Valve (Edwards Lifesciences, Irvine, Calif).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

9. Video 1
Maximum principal stress on a 26-mm Sapien Transcatheter Aortic Valve's (Edwards Lifesciences, Irvine, Calif) leaflets and stent under quasistatic diastolic pressure. Video available at:
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions