1. Measurement of Mitral Leaflet and Annular Geometry and Stress After Repair of Posterior Leaflet Prolapse: Virtual Repair Using a Patient-Specific Finite Element Simulation 
Liang Ge, PhD, William G. Morrel, BS, Alison Ward, MD, Rakesh Mishra, MD, Zhihong Zhang, MS, Julius M. Guccione, PhD, Eugene A. Grossi, MD, Mark B. Ratcliffe, MD 
The Annals of Thoracic Surgery 
Volume 97, Issue 5, Pages (May 2014)
DOI: /j.athoracsur
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
(A) Preoperative transesophageal echocardiography (TEE) and (B) postoperative TEE.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Finite element simulation of triangular resection of P2 prolapse and annuloplasty. (A) Preoperative model showing prolapse of the P2 leaflet. (B) After triangular resection of the P2 section of the posterior leaflet. Virtual sutures can be seen connecting the cut edges of the posterior leaflet and between the annuloplasty band and the posterior annulus. The aortic root has been removed for clarity. (C) Postoperative model showing the mitral valve after virtual leaflet repair and annuloplasty in early diastole with the valve open. The aortic root has been removed for clarity. (D) Postoperative model at end-systole with the valve closed.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

4. Fig 3
(A) Preoperative (preop) and (B) postoperative (postop) coaptation length at end-systole plotted versus the position of each slice relative to the anterior and posterior commissures. (3D TEE = three-dimensional transesophageal echocardiogram; — = 3D TEE data; ··· = finite-element model.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

5. Fig 4
End-systolic commissure-to-commissure (C-C; black bar) and anterior-to-posterior (A-P; gray bar) diameters of the mitral annulus for each model. (FE = finite element.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

6. Fig 5
(A) Average leaflet stress at end-diastole. (B) Average leaflet stress at end-systole. “Baseline” refers to the preoperative model. “Resection” refers to a model of the triangular resection procedure alone. “Resection + Band” refers to the postoperative model. (black bar = anterior leaflet; gray bar = posterior leaflet.)
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

7. Fig 6
(A, B, C) Surface plot of leaflet stress in the preoperative model and (D, E, F) postoperative model at end-systole.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions

8. Fig 7
Average myofiber stress: basal region. “Baseline” refers to the preoperative model. “Resection” refers to a model of the triangular resection procedure alone. “Resection + Band” refers to the postoperative model. (Black bar = end diastole; gray bar = end systole).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )
Copyright © 2014 The Society of Thoracic Surgeons Terms and Conditions